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r218 r368 1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 2. Small Office Networking</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.7 4.0"><link rel="home" href="index.html" title="Samba-3 by Example"><link rel="up" href="ExNetworks.html" title="Part I. Example Network Configurations"><link rel="prev" href="simple.html" title="Chapter 1. No-Frills Samba Servers"><link rel="next" href="secure.html" title="Chapter 3. Secure Office Networking"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 2. Small Office Networking</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="simple.html">Prev</a> </td><th width="60%" align="center">Part I. Example Network Configurations</th><td width="20%" align="right"> <a accesskey="n" href="secure.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="small"></a>Chapter 2. Small Office Networking</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="small.html#id2555462">Introduction</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2555484">Assignment Tasks</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2555545">Dissection and Discussion</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2555593">Technical Issues</a></span></dt><dt><span class="sect2"><a href="small.html#id2555791">Political Issues</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2555812">Implementation</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2557356">Validation</a></span></dt><dt><span class="sect2"><a href="small.html#id2558004">Notebook Computers: A Special Case</a></span></dt><dt><span class="sect2"><a href="small.html#id2558030">Key Points Learned</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2558104">Questions and Answers</a></span></dt></dl></div><p>1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 2. Small Office Networking</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="Samba-3 by Example"><link rel="up" href="ExNetworks.html" title="Part I. Example Network Configurations"><link rel="prev" href="simple.html" title="Chapter 1. No-Frills Samba Servers"><link rel="next" href="secure.html" title="Chapter 3. Secure Office Networking"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 2. Small Office Networking</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="simple.html">Prev</a> </td><th width="60%" align="center">Part I. Example Network Configurations</th><td width="20%" align="right"> <a accesskey="n" href="secure.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 2. Small Office Networking"><div class="titlepage"><div><div><h2 class="title"><a name="small"></a>Chapter 2. Small Office Networking</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="small.html#id2561519">Introduction</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2561542">Assignment Tasks</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2561602">Dissection and Discussion</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2561650">Technical Issues</a></span></dt><dt><span class="sect2"><a href="small.html#id2561848">Political Issues</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2561869">Implementation</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2563413">Validation</a></span></dt><dt><span class="sect2"><a href="small.html#id2564061">Notebook Computers: A Special Case</a></span></dt><dt><span class="sect2"><a href="small.html#id2564087">Key Points Learned</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2564161">Questions and Answers</a></span></dt></dl></div><p> 2 2 <a class="link" href="simple.html" title="Chapter 1. No-Frills Samba Servers">“No-Frills Samba Servers”</a> focused on the basics of simple yet effective 3 3 network solutions. Network administrators who take pride in their work … … 9 9 good advice that the following two scenarios illustrate. 10 10 </p><p> 11 <a class="indexterm" name="id25 55418"></a>11 <a class="indexterm" name="id2561475"></a> 12 12 In one case the network administrator of a mid-sized company spent three 13 13 months building a new network to replace an old Netware server. What he … … 34 34 new innovations. He always asked the users if a 35 35 particular feature was what they wanted. He asked his boss for a raise 36 and got it. He often told me, “<span class="quote">Always keep a few new tricks up your37 sleeves for when you need them.</span>” Was he smart? You decide. Let's36 and got it. He often told me, <span class="quote">“<span class="quote">Always keep a few new tricks up your 37 sleeves for when you need them.</span>”</span> Was he smart? You decide. Let's 38 38 get on with our next exercise. 39 </p><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2555462"></a>Introduction</h2></div></div></div><p>39 </p><div class="sect1" title="Introduction"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2561519"></a>Introduction</h2></div></div></div><p> 40 40 Abmas Accounting has grown. Mr. Meany likes you and says he knew you 41 41 were the right person for the job. That's why he asked you to install the … … 48 48 some of the workstations that came with the acquired business and found some machines in need of both 49 49 hardware and software maintenance. 50 </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2555484"></a>Assignment Tasks</h3></div></div></div><p>51 <a class="indexterm" name="id25 55492"></a>50 </p><div class="sect2" title="Assignment Tasks"><div class="titlepage"><div><div><h3 class="title"><a name="id2561542"></a>Assignment Tasks</h3></div></div></div><p> 51 <a class="indexterm" name="id2561549"></a> 52 52 Mr. Meany is retiring in 12 months. Before he goes, he wants you to help ensure 53 53 that the business is running efficiently. Many of the new staff want notebook … … 81 81 user accounts from the Windows desktop. That person will be responsible for 82 82 basic operations. 83 </p></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2555545"></a>Dissection and Discussion</h2></div></div></div><p>83 </p></div></div><div class="sect1" title="Dissection and Discussion"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2561602"></a>Dissection and Discussion</h2></div></div></div><p> 84 84 What are the key requirements in this business example? A quick review indicates 85 85 a need for 86 </p><div class="itemizedlist"><ul type="disc"><li><p>86 </p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p> 87 87 Scalability, from 52 to over 100 users in 12 months 88 </p></li><li ><p>88 </p></li><li class="listitem"><p> 89 89 Mobile computing capability 90 <a class="indexterm" name="id25 55566"></a>91 </p></li><li ><p>90 <a class="indexterm" name="id2561623"></a> 91 </p></li><li class="listitem"><p> 92 92 Improved reliability and usability 93 </p></li><li ><p>93 </p></li><li class="listitem"><p> 94 94 Easier administration 95 95 </p></li></ul></div><p> … … 97 97 (as in <a class="link" href="simple.html#AccountingOffice" title="Accounting Office">“Accounting Office”</a>). 98 98 99 </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2555593"></a>Technical Issues</h3></div></div></div><p>100 <a class="indexterm" name="id25 55600"></a>101 <a class="indexterm" name="id25 55606"></a>102 <a class="indexterm" name="id25 55613"></a>103 <a class="indexterm" name="id25 55619"></a>104 <a class="indexterm" name="id25 55625"></a>99 </p><div class="sect2" title="Technical Issues"><div class="titlepage"><div><div><h3 class="title"><a name="id2561650"></a>Technical Issues</h3></div></div></div><p> 100 <a class="indexterm" name="id2561657"></a> 101 <a class="indexterm" name="id2561664"></a> 102 <a class="indexterm" name="id2561670"></a> 103 <a class="indexterm" name="id2561676"></a> 104 <a class="indexterm" name="id2561682"></a> 105 105 It is time to implement a domain security environment. You will use the <code class="constant"> 106 106 smbpasswd</code> (default) backend. You should implement a DHCP server. There is no need to … … 111 111 the printer a fixed IP address by way of its Ethernet interface (MAC) address. 112 112 See <a class="link" href="small.html#dhcp01" title="Example 2.2. Abmas Accounting DHCP Server Configuration File /etc/dhcpd.conf">“Abmas Accounting DHCP Server Configuration File /etc/dhcpd.conf”</a>. 113 </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>113 </p><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p> 114 114 The <code class="filename">smb.conf</code> file you are creating in this exercise can be used with equal effectiveness 115 115 with Samba-2.2.x series releases. This is deliberate so that in the next chapter it is … … 123 123 other enhancements. It is important that you plan accordingly. 124 124 </p><p> 125 <a class="indexterm" name="id25 55684"></a>125 <a class="indexterm" name="id2561741"></a> 126 126 You have split the network into two separate areas. Each has its own Ethernet switch. 127 127 There are 20 users on the accounting network and 32 users on the financial services … … 138 138 hostname name resolution. 139 139 </p><p> 140 <a class="indexterm" name="id25 55715"></a>141 <a class="indexterm" name="id25 55723"></a>140 <a class="indexterm" name="id2561772"></a> 141 <a class="indexterm" name="id2561780"></a> 142 142 It is necessary to map Windows Domain Groups to UNIX groups. It is 143 143 advisable to also map Windows Local Groups to UNIX groups. Additionally, the two … … 156 156 more information. 157 157 </p><p> 158 <a class="indexterm" name="id25 55777"></a>158 <a class="indexterm" name="id2561834"></a> 159 159 Vendor-supplied printer drivers will be installed on each client. The CUPS print 160 160 spooler on the UNIX host will be operated in <code class="constant">raw</code> mode. 161 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2555791"></a>Political Issues</h3></div></div></div><p>161 </p></div><div class="sect2" title="Political Issues"><div class="titlepage"><div><div><h3 class="title"><a name="id2561848"></a>Political Issues</h3></div></div></div><p> 162 162 Mr. Meany is an old-school manager. He sets the rules and wants to see compliance. 163 163 He is willing to spend money on things he believes are of value. You need more … … 167 167 supplied with antivirus software? Above all, demonstrate good purchase value and remember 168 168 to make your users happy. 169 </p></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2555812"></a>Implementation</h2></div></div></div><p>170 <a class="indexterm" name="id25 55820"></a>169 </p></div></div><div class="sect1" title="Implementation"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2561869"></a>Implementation</h2></div></div></div><p> 170 <a class="indexterm" name="id2561877"></a> 171 171 In this example, the assumption is made that this server is being configured from a clean start. 172 172 The alternate approach could be to demonstrate the migration of the system that is documented … … 176 176 Additionally, a fresh installation makes the example easier to follow. 177 177 </p><p> 178 <a class="indexterm" name="id25 55846"></a>178 <a class="indexterm" name="id2561903"></a> 179 179 Each user will be given a home directory on the UNIX system, which will be available as a private 180 180 share. Two additional shares will be created, one for the accounting department and the other for … … 182 182 of group membership. 183 183 </p><p> 184 <a class="indexterm" name="id25 55861"></a>184 <a class="indexterm" name="id2561918"></a> 185 185 UNIX group membership is the primary mechanism by which Windows Domain users will be granted 186 186 rights and privileges within the Windows environment. 187 187 </p><p> 188 <a class="indexterm" name="id25 55875"></a>188 <a class="indexterm" name="id2561932"></a> 189 189 The user <code class="literal">alanm</code> will be made the owner of all files. This will be preserved 190 190 by setting the sticky bit (set UID/GID) on the top-level directories. 191 </p><div class="figure"><a name="acct2net"></a><p class="title"><b>Figure 2.1. Abmas Accounting 52-User Network Topology</b></p><div class="figure-contents"><div class="mediaobject"><img src="images/acct2net.png" alt="Abmas Accounting 52-User Network Topology"></div></div></div><br class="figure-break"><div class="procedure" ><a name="id2555930"></a><p class="title"><b>Procedure 2.1. Server Installation Steps</b></p><ol type="1"><li><p>191 </p><div class="figure"><a name="acct2net"></a><p class="title"><b>Figure 2.1. Abmas Accounting 52-User Network Topology</b></p><div class="figure-contents"><div class="mediaobject"><img src="images/acct2net.png" alt="Abmas Accounting 52-User Network Topology"></div></div></div><br class="figure-break"><div class="procedure" title="Procedure 2.1. Server Installation Steps"><a name="id2561987"></a><p class="title"><b>Procedure 2.1. Server Installation Steps</b></p><ol class="procedure" type="1"><li class="step" title="Step 1"><p> 192 192 Using UNIX/Linux system tools, name the server <code class="constant">sleeth</code>. 193 </p></li><li ><p>194 <a class="indexterm" name="id25 55951"></a>193 </p></li><li class="step" title="Step 2"><p> 194 <a class="indexterm" name="id2562008"></a> 195 195 Place an entry for the machine <code class="constant">sleeth</code> in the <code class="filename">/etc/hosts</code>. 196 196 The printers are network attached, so there should be entries for the … … 203 203 192.168.2.10 qms 204 204 </pre><p> 205 </p></li><li ><p>205 </p></li><li class="step" title="Step 3"><p> 206 206 Install the Samba-3 binary RPM from the Samba-Team FTP site. 207 </p></li><li ><p>207 </p></li><li class="step" title="Step 4"><p> 208 208 Install the ISC DHCP server using the UNIX/Linux system tools available to you. 209 </p></li><li ><p>210 <a class="indexterm" name="id25 56002"></a>211 <a class="indexterm" name="id25 56008"></a>212 <a class="indexterm" name="id25 56014"></a>213 <a class="indexterm" name="id25 56020"></a>209 </p></li><li class="step" title="Step 5"><p> 210 <a class="indexterm" name="id2562059"></a> 211 <a class="indexterm" name="id2562065"></a> 212 <a class="indexterm" name="id2562071"></a> 213 <a class="indexterm" name="id2562078"></a> 214 214 Because Samba will be operating over two network interfaces and clients on each side 215 215 may want to be able to reach clients on the other side, it is imperative that IP forwarding … … 221 221 </pre><p> 222 222 This causes the Linux kernel to forward IP packets so that it acts as a router. 223 </p></li><li ><p>223 </p></li><li class="step" title="Step 6"><p> 224 224 Install the <code class="filename">smb.conf</code> file as shown in <a class="link" href="small.html#acct2conf" title="Example 2.3. Accounting Office Network smb.conf File [globals] Section">“Accounting Office Network smb.conf File [globals] Section”</a> and 225 225 <a class="link" href="small.html#acct3conf" title="Example 2.4. Accounting Office Network smb.conf File Services and Shares Section">“Accounting Office Network smb.conf File Services and Shares Section”</a>. Combine these two examples to form a single 226 226 <code class="filename">/etc/samba/smb.conf</code> file. 227 </p></li><li ><p>228 <a class="indexterm" name="id25 56080"></a>227 </p></li><li class="step" title="Step 7"><p> 228 <a class="indexterm" name="id2562137"></a> 229 229 Add the user <code class="literal">root</code> to the Samba password backend: 230 230 </p><pre class="screen"> … … 234 234 <code class="prompt">root# </code> 235 235 </pre><p> 236 <a class="indexterm" name="id25 56109"></a>236 <a class="indexterm" name="id2562166"></a> 237 237 This is the Windows Domain Administrator password. Never delete this account from 238 238 the password backend after Windows Domain Groups have been initialized. If you delete 239 239 this account, your system is crippled. You cannot restore this account, 240 240 and your Samba server can no longer be administered. 241 </p></li><li ><p>242 <a class="indexterm" name="id25 56126"></a>241 </p></li><li class="step" title="Step 8"><p> 242 <a class="indexterm" name="id2562184"></a> 243 243 Create the username map file to permit the <code class="constant">root</code> account to be called 244 244 <code class="constant">Administrator</code> from the Windows network environment. To do this, create … … 266 266 #### 267 267 </pre><p> 268 </p></li><li ><p>269 <a class="indexterm" name="id25 56167"></a>268 </p></li><li class="step" title="Step 9"><p> 269 <a class="indexterm" name="id2562224"></a> 270 270 Create and map Windows Domain Groups to UNIX groups. A sample script is provided in 271 271 <a class="link" href="small.html#initGrps" title="Example 2.1. Script to Map Windows NT Groups to UNIX Groups">“Script to Map Windows NT Groups to UNIX Groups”</a>. Create a file containing this script. We called ours … … 273 273 and then execute the script. Sample output should be as follows: 274 274 275 </p><div class="example"><a name="initGrps"></a><p class="title"><b>Example 2.1. Script to Map Windows NT Groups to UNIX Groups</b></p><div class="example-contents"><a class="indexterm" name="id25 56195"></a><pre class="screen">275 </p><div class="example"><a name="initGrps"></a><p class="title"><b>Example 2.1. Script to Map Windows NT Groups to UNIX Groups</b></p><div class="example-contents"><a class="indexterm" name="id2562252"></a><pre class="screen"> 276 276 #!/bin/bash 277 277 # … … 322 322 Users (S-1-5-32-545) -> -1 323 323 </pre><p> 324 </p></li><li ><p>325 <a class="indexterm" name="id25 56273"></a>326 <a class="indexterm" name="id25 56280"></a>327 <a class="indexterm" name="id25 56288"></a>324 </p></li><li class="step" title="Step 10"><p> 325 <a class="indexterm" name="id2562330"></a> 326 <a class="indexterm" name="id2562337"></a> 327 <a class="indexterm" name="id2562345"></a> 328 328 For each user who needs to be given a Windows Domain account, make an entry in the 329 329 <code class="filename">/etc/passwd</code> file as well as in the Samba password backend. … … 331 331 <code class="literal">smbpasswd</code> program to create the Domain user accounts. 332 332 </p><p> 333 <a class="indexterm" name="id25 56313"></a>334 <a class="indexterm" name="id25 56319"></a>335 <a class="indexterm" name="id25 56325"></a>333 <a class="indexterm" name="id2562370"></a> 334 <a class="indexterm" name="id2562376"></a> 335 <a class="indexterm" name="id2562382"></a> 336 336 There are a number of tools for user management under UNIX, such as 337 337 <code class="literal">useradd</code> and <code class="literal">adduser</code>, as well as a plethora of custom 338 338 tools. With the tool of your choice, create a home directory for each user. 339 </p></li><li ><p>339 </p></li><li class="step" title="Step 11"><p> 340 340 Using the preferred tool for your UNIX system, add each user to the UNIX groups created 341 341 previously, as necessary. File system access control will be based on UNIX group membership. 342 </p></li><li ><p>342 </p></li><li class="step" title="Step 12"><p> 343 343 Create the directory mount point for the disk subsystem that is mounted to provide 344 344 data storage for company files. In this case the mount point is indicated in the <code class="filename">smb.conf</code> … … 346 346 file system partition using <code class="literal">mount</code>, 347 347 and make the appropriate changes in <code class="filename">/etc/fstab</code>. 348 </p></li><li ><p>348 </p></li><li class="step" title="Step 13"><p> 349 349 Create the top-level file storage directories are follows: 350 350 </p><pre class="screen"> … … 358 358 share. The directory root of the <code class="literal">accounts</code> share is <code class="filename">/data/accounts</code>. 359 359 The directory root of the <code class="literal">finsvcs</code> share is <code class="filename">/data/finsvcs</code>. 360 </p></li><li ><p>360 </p></li><li class="step" title="Step 14"><p> 361 361 Configure the printers with the IP addresses as shown in <a class="link" href="small.html#acct2net" title="Figure 2.1. Abmas Accounting 52-User Network Topology">“Abmas Accounting 52-User Network Topology”</a>. 362 362 Follow the instructions in the manufacturers' manuals to permit printing to port 9100. 363 363 This allows the CUPS spooler to print using raw mode protocols. 364 <a class="indexterm" name="id25 56469"></a>365 <a class="indexterm" name="id25 56475"></a>366 </p></li><li ><p>367 <a class="indexterm" name="id25 56488"></a>368 <a class="indexterm" name="id25 56496"></a>364 <a class="indexterm" name="id2562526"></a> 365 <a class="indexterm" name="id2562532"></a> 366 </p></li><li class="step" title="Step 15"><p> 367 <a class="indexterm" name="id2562545"></a> 368 <a class="indexterm" name="id2562553"></a> 369 369 Configure the CUPS Print Queues as follows: 370 370 </p><pre class="screen"> … … 373 373 <code class="prompt">root# </code> lpadmin -p qms -v socket://192.168.2.10:9100 -E 374 374 </pre><p> 375 <a class="indexterm" name="id25 56527"></a>375 <a class="indexterm" name="id2562584"></a> 376 376 This creates the necessary print queues with no assigned print filter. 377 </p></li><li ><p>378 <a class="indexterm" name="id25 56541"></a>379 <a class="indexterm" name="id25 56547"></a>380 <a class="indexterm" name="id25 56554"></a>377 </p></li><li class="step" title="Step 16"><p> 378 <a class="indexterm" name="id2562598"></a> 379 <a class="indexterm" name="id2562604"></a> 380 <a class="indexterm" name="id2562611"></a> 381 381 Edit the file <code class="filename">/etc/cups/mime.convs</code> to uncomment the line: 382 382 </p><pre class="screen"> 383 383 application/octet-stream application/vnd.cups-raw 0 - 384 384 </pre><p> 385 </p></li><li ><p>386 <a class="indexterm" name="id25 56578"></a>385 </p></li><li class="step" title="Step 17"><p> 386 <a class="indexterm" name="id2562635"></a> 387 387 Edit the file <code class="filename">/etc/cups/mime.types</code> to uncomment the line: 388 388 </p><pre class="screen"> 389 389 application/octet-stream 390 390 </pre><p> 391 </p></li><li ><p>392 <a class="indexterm" name="id25 56601"></a>391 </p></li><li class="step" title="Step 18"><p> 392 <a class="indexterm" name="id2562658"></a> 393 393 Using your favorite system editor, create an <code class="filename">/etc/dhcpd.conf</code> with the 394 394 contents as shown in <a class="link" href="small.html#dhcp01" title="Example 2.2. Abmas Accounting DHCP Server Configuration File /etc/dhcpd.conf">“Abmas Accounting DHCP Server Configuration File /etc/dhcpd.conf”</a>. 395 </p><div class="example"><a name="dhcp01"></a><p class="title"><b>Example 2.2. Abmas Accounting DHCP Server Configuration File <code class="filename">/etc/dhcpd.conf</code></b></p><div class="example-contents"><a class="indexterm" name="id25 56633"></a><pre class="screen">395 </p><div class="example"><a name="dhcp01"></a><p class="title"><b>Example 2.2. Abmas Accounting DHCP Server Configuration File <code class="filename">/etc/dhcpd.conf</code></b></p><div class="example-contents"><a class="indexterm" name="id2562690"></a><pre class="screen"> 396 396 default-lease-time 86400; 397 397 max-lease-time 172800; … … 437 437 } 438 438 </pre></div></div><p><br class="example-break"> 439 </p></li><li ><p>439 </p></li><li class="step" title="Step 19"><p> 440 440 Use the standard system tool to start Samba and CUPS and configure them to start 441 441 automatically at every system reboot. For example, 442 442 </p><p> 443 <a class="indexterm" name="id25 56677"></a>444 <a class="indexterm" name="id25 56683"></a>445 <a class="indexterm" name="id25 56690"></a>446 <a class="indexterm" name="id25 56696"></a>447 <a class="indexterm" name="id25 56702"></a>443 <a class="indexterm" name="id2562734"></a> 444 <a class="indexterm" name="id2562740"></a> 445 <a class="indexterm" name="id2562747"></a> 446 <a class="indexterm" name="id2562753"></a> 447 <a class="indexterm" name="id2562759"></a> 448 448 </p><pre class="screen"> 449 449 <code class="prompt">root# </code> chkconfig dhcp on … … 454 454 <code class="prompt">root# </code> /etc/rc.d/init.d/cups restart 455 455 </pre><p> 456 </p></li><li ><p>457 <a class="indexterm" name="id25 56752"></a>458 <a class="indexterm" name="id25 56759"></a>459 <a class="indexterm" name="id25 56767"></a>460 <a class="indexterm" name="id25 56773"></a>461 <a class="indexterm" name="id25 56780"></a>462 <a class="indexterm" name="id25 56786"></a>456 </p></li><li class="step" title="Step 20"><p> 457 <a class="indexterm" name="id2562810"></a> 458 <a class="indexterm" name="id2562816"></a> 459 <a class="indexterm" name="id2562824"></a> 460 <a class="indexterm" name="id2562830"></a> 461 <a class="indexterm" name="id2562837"></a> 462 <a class="indexterm" name="id2562843"></a> 463 463 Configure the name service switch (NSS) to handle WINS-based name resolution. 464 464 Since this system does not use a DNS server, it is safe to remove this option from … … 468 468 hosts: files wins 469 469 </pre><p> 470 </p></li></ol></div><div class="example"><a name="acct2conf"></a><p class="title"><b>Example 2.3. Accounting Office Network <code class="filename">smb.conf</code> File [globals] Section</b></p><div class="example-contents"><table class="simplelist" border="0" summary="Simple list"><tr><td># Global parameters</td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[global]</code></em></td></tr><tr><td><a class="indexterm" name="id2556844"></a><em class="parameter"><code>workgroup = BILLMORE</code></em></td></tr><tr><td><a class="indexterm" name="id2556854"></a><em class="parameter"><code>passwd chat = *New*Password* %n\n*Re-enter*new*password* %n\n *Password*changed*</code></em></td></tr><tr><td><a class="indexterm" name="id2556866"></a><em class="parameter"><code>username map = /etc/samba/smbusers</code></em></td></tr><tr><td><a class="indexterm" name="id2556876"></a><em class="parameter"><code>syslog = 0</code></em></td></tr><tr><td><a class="indexterm" name="id2556887"></a><em class="parameter"><code>name resolve order = wins bcast hosts</code></em></td></tr><tr><td><a class="indexterm" name="id2556898"></a><em class="parameter"><code>printcap name = CUPS</code></em></td></tr><tr><td><a class="indexterm" name="id2556908"></a><em class="parameter"><code>show add printer wizard = No</code></em></td></tr><tr><td><a class="indexterm" name="id2556919"></a><em class="parameter"><code>add user script = /usr/sbin/useradd -m -G users '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2556931"></a><em class="parameter"><code>delete user script = /usr/sbin/userdel -r '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2556942"></a><em class="parameter"><code>add group script = /usr/sbin/groupadd '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id2556953"></a><em class="parameter"><code>delete group script = /usr/sbin/groupdel '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id2556965"></a><em class="parameter"><code>add user to group script = /usr/sbin/usermod -A '%g' '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2556976"></a><em class="parameter"><code>add machine script = /usr/sbin/useradd -s /bin/false -d /var/lib/nobody '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2556988"></a><em class="parameter"><code>logon script = scripts\login.bat</code></em></td></tr><tr><td><a class="indexterm" name="id2556999"></a><em class="parameter"><code>logon path = </code></em></td></tr><tr><td><a class="indexterm" name="id2557009"></a><em class="parameter"><code>logon drive = X:</code></em></td></tr><tr><td><a class="indexterm" name="id2557020"></a><em class="parameter"><code>domain logons = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557030"></a><em class="parameter"><code>preferred master = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557041"></a><em class="parameter"><code>wins support = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557051"></a><em class="parameter"><code>printing = CUPS</code></em></td></tr></table></div></div><br class="example-break"><div class="example"><a name="acct3conf"></a><p class="title"><b>Example 2.4. Accounting Office Network <code class="filename">smb.conf</code> File Services and Shares Section</b></p><div class="example-contents"><table class="simplelist" border="0" summary="Simple list"><tr><td> </td></tr><tr><td><em class="parameter"><code>[homes]</code></em></td></tr><tr><td><a class="indexterm" name="id2557091"></a><em class="parameter"><code>comment = Home Directories</code></em></td></tr><tr><td><a class="indexterm" name="id2557102"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id2557112"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td><a class="indexterm" name="id2557123"></a><em class="parameter"><code>browseable = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[printers]</code></em></td></tr><tr><td><a class="indexterm" name="id2557141"></a><em class="parameter"><code>comment = SMB Print Spool</code></em></td></tr><tr><td><a class="indexterm" name="id2557152"></a><em class="parameter"><code>path = /var/spool/samba</code></em></td></tr><tr><td><a class="indexterm" name="id2557162"></a><em class="parameter"><code>printable = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557173"></a><em class="parameter"><code>guest ok = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557183"></a><em class="parameter"><code>use client driver = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557193"></a><em class="parameter"><code>browseable = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[netlogon]</code></em></td></tr><tr><td><a class="indexterm" name="id2557212"></a><em class="parameter"><code>comment = Network Logon Service</code></em></td></tr><tr><td><a class="indexterm" name="id2557223"></a><em class="parameter"><code>path = /data/%U</code></em></td></tr><tr><td><a class="indexterm" name="id2557234"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id2557244"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[accounts]</code></em></td></tr><tr><td><a class="indexterm" name="id2557263"></a><em class="parameter"><code>comment = Accounting Files</code></em></td></tr><tr><td><a class="indexterm" name="id2557273"></a><em class="parameter"><code>path = /data/accounts</code></em></td></tr><tr><td><a class="indexterm" name="id2557284"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id2557294"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[finsvcs]</code></em></td></tr><tr><td><a class="indexterm" name="id2557313"></a><em class="parameter"><code>comment = Financial Service Files</code></em></td></tr><tr><td><a class="indexterm" name="id2557324"></a><em class="parameter"><code>path = /data/finsvcs</code></em></td></tr><tr><td><a class="indexterm" name="id2557334"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id2557345"></a><em class="parameter"><code>read only = No</code></em></td></tr></table></div></div><br class="example-break"><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2557356"></a>Validation</h3></div></div></div><p>470 </p></li></ol></div><div class="example"><a name="acct2conf"></a><p class="title"><b>Example 2.3. Accounting Office Network <code class="filename">smb.conf</code> File [globals] Section</b></p><div class="example-contents"><table border="0" summary="Simple list" class="simplelist"><tr><td># Global parameters</td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[global]</code></em></td></tr><tr><td><a class="indexterm" name="id2562901"></a><em class="parameter"><code>workgroup = BILLMORE</code></em></td></tr><tr><td><a class="indexterm" name="id2562911"></a><em class="parameter"><code>passwd chat = *New*Password* %n\n*Re-enter*new*password* %n\n *Password*changed*</code></em></td></tr><tr><td><a class="indexterm" name="id2562923"></a><em class="parameter"><code>username map = /etc/samba/smbusers</code></em></td></tr><tr><td><a class="indexterm" name="id2562933"></a><em class="parameter"><code>syslog = 0</code></em></td></tr><tr><td><a class="indexterm" name="id2562944"></a><em class="parameter"><code>name resolve order = wins bcast hosts</code></em></td></tr><tr><td><a class="indexterm" name="id2562955"></a><em class="parameter"><code>printcap name = CUPS</code></em></td></tr><tr><td><a class="indexterm" name="id2562965"></a><em class="parameter"><code>show add printer wizard = No</code></em></td></tr><tr><td><a class="indexterm" name="id2562976"></a><em class="parameter"><code>add user script = /usr/sbin/useradd -m -G users '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2562988"></a><em class="parameter"><code>delete user script = /usr/sbin/userdel -r '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2562999"></a><em class="parameter"><code>add group script = /usr/sbin/groupadd '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id2563010"></a><em class="parameter"><code>delete group script = /usr/sbin/groupdel '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id2563022"></a><em class="parameter"><code>add user to group script = /usr/sbin/usermod -A '%g' '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2563033"></a><em class="parameter"><code>add machine script = /usr/sbin/useradd -s /bin/false -d /var/lib/nobody '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2563045"></a><em class="parameter"><code>logon script = scripts\login.bat</code></em></td></tr><tr><td><a class="indexterm" name="id2563056"></a><em class="parameter"><code>logon path = </code></em></td></tr><tr><td><a class="indexterm" name="id2563066"></a><em class="parameter"><code>logon drive = X:</code></em></td></tr><tr><td><a class="indexterm" name="id2563077"></a><em class="parameter"><code>domain logons = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2563087"></a><em class="parameter"><code>preferred master = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2563098"></a><em class="parameter"><code>wins support = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2563108"></a><em class="parameter"><code>printing = CUPS</code></em></td></tr></table></div></div><br class="example-break"><div class="example"><a name="acct3conf"></a><p class="title"><b>Example 2.4. Accounting Office Network <code class="filename">smb.conf</code> File Services and Shares Section</b></p><div class="example-contents"><table border="0" summary="Simple list" class="simplelist"><tr><td> </td></tr><tr><td><em class="parameter"><code>[homes]</code></em></td></tr><tr><td><a class="indexterm" name="id2563148"></a><em class="parameter"><code>comment = Home Directories</code></em></td></tr><tr><td><a class="indexterm" name="id2563159"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id2563169"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td><a class="indexterm" name="id2563180"></a><em class="parameter"><code>browseable = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[printers]</code></em></td></tr><tr><td><a class="indexterm" name="id2563198"></a><em class="parameter"><code>comment = SMB Print Spool</code></em></td></tr><tr><td><a class="indexterm" name="id2563209"></a><em class="parameter"><code>path = /var/spool/samba</code></em></td></tr><tr><td><a class="indexterm" name="id2563219"></a><em class="parameter"><code>printable = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2563230"></a><em class="parameter"><code>guest ok = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2563240"></a><em class="parameter"><code>use client driver = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2563250"></a><em class="parameter"><code>browseable = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[netlogon]</code></em></td></tr><tr><td><a class="indexterm" name="id2563269"></a><em class="parameter"><code>comment = Network Logon Service</code></em></td></tr><tr><td><a class="indexterm" name="id2563280"></a><em class="parameter"><code>path = /data/%U</code></em></td></tr><tr><td><a class="indexterm" name="id2563291"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id2563301"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[accounts]</code></em></td></tr><tr><td><a class="indexterm" name="id2563320"></a><em class="parameter"><code>comment = Accounting Files</code></em></td></tr><tr><td><a class="indexterm" name="id2563330"></a><em class="parameter"><code>path = /data/accounts</code></em></td></tr><tr><td><a class="indexterm" name="id2563341"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id2563351"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[finsvcs]</code></em></td></tr><tr><td><a class="indexterm" name="id2563370"></a><em class="parameter"><code>comment = Financial Service Files</code></em></td></tr><tr><td><a class="indexterm" name="id2563381"></a><em class="parameter"><code>path = /data/finsvcs</code></em></td></tr><tr><td><a class="indexterm" name="id2563391"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id2563402"></a><em class="parameter"><code>read only = No</code></em></td></tr></table></div></div><br class="example-break"><div class="sect2" title="Validation"><div class="titlepage"><div><div><h3 class="title"><a name="id2563413"></a>Validation</h3></div></div></div><p> 471 471 Does everything function as it ought? That is the key question at this point. 472 472 Here are some simple steps to validate your Samba server configuration. 473 </p><div class="procedure" ><a name="id2557368"></a><p class="title"><b>Procedure 2.2. Validation Steps</b></p><ol type="1"><li><p>474 <a class="indexterm" name="id25 57378"></a>473 </p><div class="procedure" title="Procedure 2.2. Validation Steps"><a name="id2563425"></a><p class="title"><b>Procedure 2.2. Validation Steps</b></p><ol class="procedure" type="1"><li class="step" title="Step 1"><p> 474 <a class="indexterm" name="id2563435"></a> 475 475 If your <code class="filename">smb.conf</code> file has bogus options or parameters, this may cause Samba 476 476 to refuse to start. The first step should always be to validate the contents … … 518 518 </pre><p> 519 519 Clear away all errors before proceeding, and start or restart samba as necessary. 520 </p></li><li ><p>521 <a class="indexterm" name="id25 57458"></a>522 <a class="indexterm" name="id25 57464"></a>523 <a class="indexterm" name="id25 57470"></a>524 <a class="indexterm" name="id25 57476"></a>520 </p></li><li class="step" title="Step 2"><p> 521 <a class="indexterm" name="id2563515"></a> 522 <a class="indexterm" name="id2563521"></a> 523 <a class="indexterm" name="id2563527"></a> 524 <a class="indexterm" name="id2563533"></a> 525 525 Check that the Samba server is running: 526 526 </p><pre class="screen"> … … 538 538 <span class="emphasis"><em>TOSHARG2</em></span>, Chapter 23, Section 23.3. The single instance of 539 539 <code class="literal">smbd</code> is normal. 540 </p></li><li ><p>541 <a class="indexterm" name="id25 57527"></a>540 </p></li><li class="step" title="Step 3"><p> 541 <a class="indexterm" name="id2563584"></a> 542 542 Check that an anonymous connection can be made to the Samba server: 543 543 </p><pre class="screen"> … … 567 567 The <code class="constant">-U%</code> argument means to send a <code class="constant">NULL</code> username and 568 568 a <code class="constant">NULL</code> password. 569 </p></li><li ><p>570 <a class="indexterm" name="id25 57578"></a>571 <a class="indexterm" name="id25 57584"></a>572 <a class="indexterm" name="id25 57590"></a>569 </p></li><li class="step" title="Step 4"><p> 570 <a class="indexterm" name="id2563635"></a> 571 <a class="indexterm" name="id2563641"></a> 572 <a class="indexterm" name="id2563647"></a> 573 573 Verify that the printers have the IP addresses assigned in the DHCP server configuration file. 574 574 The easiest way to do this is to ping the printer name. Immediately after the ping response … … 588 588 IP address from which the printer has responded and the entry for it in the 589 589 <code class="filename">/etc/dhcpd.conf</code> file. 590 </p></li><li ><p>591 <a class="indexterm" name="id25 57651"></a>590 </p></li><li class="step" title="Step 5"><p> 591 <a class="indexterm" name="id2563708"></a> 592 592 Make an authenticated connection to the server using the <code class="literal">smbclient</code> tool: 593 593 </p><pre class="screen"> … … 606 606 smb: \> q 607 607 </pre><p> 608 </p></li></ol></div></div><div class="procedure" ><a name="id2557699"></a><p class="title"><b>Procedure 2.3. Windows XP Professional Client Configuration</b></p><ol type="1"><li><p>608 </p></li></ol></div></div><div class="procedure" title="Procedure 2.3. Windows XP Professional Client Configuration"><a name="id2563756"></a><p class="title"><b>Procedure 2.3. Windows XP Professional Client Configuration</b></p><ol class="procedure" type="1"><li class="step" title="Step 1"><p> 609 609 Configure clients to the network settings shown in <a class="link" href="small.html#acct2net" title="Figure 2.1. Abmas Accounting 52-User Network Topology">“Abmas Accounting 52-User Network Topology”</a>. 610 610 All clients use DHCP for TCP/IP protocol stack configuration. 611 <a class="indexterm" name="id25 57717"></a>612 <a class="indexterm" name="id25 57723"></a>611 <a class="indexterm" name="id2563774"></a> 612 <a class="indexterm" name="id2563780"></a> 613 613 DHCP configures all Windows clients to use the WINS Server address <code class="constant">192.168.1.1</code>. 614 </p></li><li ><p>614 </p></li><li class="step" title="Step 2"><p> 615 615 Join the Windows Domain called <code class="constant">BILLMORE</code>. Use the Domain Administrator 616 616 username <code class="constant">root</code> and the SMB password you assigned to this account. … … 618 618 a Windows Domain is given in <a class="link" href="appendix.html" title="Chapter 15. A Collection of Useful Tidbits">“A Collection of Useful Tidbits”</a>, <a class="link" href="appendix.html#domjoin" title="Joining a Domain: Windows 200x/XP Professional">“Joining a Domain: Windows 200x/XP Professional”</a>. 619 619 Reboot the machine as prompted and then log on using a Domain User account. 620 </p></li><li ><p>620 </p></li><li class="step" title="Step 3"><p> 621 621 Verify on each client that the machine called <code class="constant">SLEETH</code> 622 622 is visible in <span class="guimenu">My Network Places</span>, that it is … … 624 624 and <span class="guimenuitem">finsvcs</span>, 625 625 and that it is possible to open that share to reveal its contents. 626 </p></li><li ><p>626 </p></li><li class="step" title="Step 4"><p> 627 627 Instruct all users to log onto the workstation using their assigned username and password. 628 </p></li><li ><p>628 </p></li><li class="step" title="Step 5"><p> 629 629 Install a printer on each using the following steps: 630 </p><div class="procedure"><ol type="1"><li><p>630 </p><div class="procedure"><ol class="procedure" type="1"><li class="step" title="Step 5.1"><p> 631 631 Click <span class="guimenu">Start</span> → <span class="guimenuitem">Settings</span> → <span class="guimenuitem">Printers</span>+<span class="guiicon">Add Printer</span>+<span class="guibutton">Next</span>. Do not click <span class="guimenuitem">Network printer</span>. 632 632 Ensure that <span class="guimenuitem">Local printer</span> is selected. 633 </p></li><li ><p>633 </p></li><li class="step" title="Step 5.2"><p> 634 634 Click <span class="guibutton">Next</span>. In the 635 635 <span class="guimenuitem">Manufacturer:</span> panel, select <code class="constant">HP</code>. 636 636 In the <span class="guimenuitem">Printers:</span> panel, select the printer called 637 637 <code class="constant">HP LaserJet 4</code>. Click <span class="guibutton">Next</span>. 638 </p></li><li ><p>638 </p></li><li class="step" title="Step 5.3"><p> 639 639 In the <span class="guimenuitem">Available ports:</span> panel, select 640 640 <code class="constant">FILE:</code>. Accept the default printer name by clicking 641 <span class="guibutton">Next</span>. When asked, “<span class="quote">Would you like to print a642 test page?</span>” , click <span class="guimenuitem">No</span>. Click641 <span class="guibutton">Next</span>. When asked, <span class="quote">“<span class="quote">Would you like to print a 642 test page?</span>”</span>, click <span class="guimenuitem">No</span>. Click 643 643 <span class="guibutton">Finish</span>. 644 </p></li><li ><p>644 </p></li><li class="step" title="Step 5.4"><p> 645 645 You may be prompted for the name of a file to print to. If so, close the 646 646 dialog panel. Right-click <span class="guiicon">HP LaserJet 4</span> → <span class="guimenuitem">Properties</span> → <span class="guisubmenu">Details (Tab)</span> → <span class="guimenuitem">Add Port</span>. 647 </p></li><li ><p>647 </p></li><li class="step" title="Step 5.5"><p> 648 648 In the <span class="guimenuitem">Network</span> panel, enter the name of 649 649 the print queue on the Samba server as follows: <code class="constant">\\SERVER\hplj4</code>. 650 650 Click <span class="guibutton">OK</span>+<span class="guibutton">OK</span> to complete the installation. 651 </p></li><li ><p>651 </p></li><li class="step" title="Step 5.6"><p> 652 652 Repeat the printer installation steps above for the HP LaserJet 6 printer 653 653 as well as for the QMS Magicolor XXXX laser printer. 654 </p></li></ol></div></li></ol></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2558004"></a>Notebook Computers: A Special Case</h3></div></div></div><p>654 </p></li></ol></div></li></ol></div><div class="sect2" title="Notebook Computers: A Special Case"><div class="titlepage"><div><div><h3 class="title"><a name="id2564061"></a>Notebook Computers: A Special Case</h3></div></div></div><p> 655 655 As a network administrator, you already know how to create local machine accounts for Windows 200x/XP 656 656 Professional systems. This is the preferred solution to provide continuity of work for notebook users … … 662 662 that mean that as the network is more tightly secured, it becomes necessary to modify Windows client 663 663 configuration somewhat. 664 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2558030"></a>Key Points Learned</h3></div></div></div><p>664 </p></div><div class="sect2" title="Key Points Learned"><div class="titlepage"><div><div><h3 class="title"><a name="id2564087"></a>Key Points Learned</h3></div></div></div><p> 665 665 In this network design and implementation exercise, you created a Windows NT4-style Domain 666 666 Controller using Samba-3.0.20. Following these guidelines, you experienced 667 667 and implemented several important aspects of Windows networking. In the next chapter, 668 668 you build on the experience. These are the highlights from this chapter: 669 </p><div class="itemizedlist"><ul type="disc"><li><p>670 <a class="indexterm" name="id25 58050"></a>669 </p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p> 670 <a class="indexterm" name="id2564107"></a> 671 671 You implemented a DHCP server, and Microsoft Windows clients were able to obtain all necessary 672 672 network configuration settings from this server. 673 </p></li><li ><p>674 <a class="indexterm" name="id25 58063"></a>673 </p></li><li class="listitem"><p> 674 <a class="indexterm" name="id2564120"></a> 675 675 You created a Windows Domain Controller. You were able to use the network logon service 676 676 and successfully joined Windows 200x/XP Professional clients to the Domain. 677 </p></li><li ><p>678 <a class="indexterm" name="id25 58076"></a>677 </p></li><li class="listitem"><p> 678 <a class="indexterm" name="id2564134"></a> 679 679 You created raw print queues in the CUPS printing system. You maintained a simple 680 680 printing system so that all users can share centrally managed printers. You installed 681 681 native printer drivers on the Windows clients. 682 </p></li><li ><p>682 </p></li><li class="listitem"><p> 683 683 You experienced the benefits of centrally managed user accounts on the server. 684 </p></li><li ><p>684 </p></li><li class="listitem"><p> 685 685 You offered Mobile notebook users a solution that allows them to continue to work 686 686 while away from the office and not connected to the corporate network. 687 </p></li></ul></div></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2558104"></a>Questions and Answers</h2></div></div></div><p>687 </p></li></ul></div></div></div><div class="sect1" title="Questions and Answers"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2564161"></a>Questions and Answers</h2></div></div></div><p> 688 688 Your new Domain Controller is ready to serve you. What does it mean? Here are some questions and answers that 689 689 may help. 690 </p><div class="qandaset" ><dl><dt>1. <a href="small.html#id2558117">690 </p><div class="qandaset" title="Frequently Asked Questions"><a name="id2564172"></a><dl><dt>1. <a href="small.html#id2564174"> 691 691 What is the key benefit of using DHCP to configure Windows client TCP/IP stacks? 692 </a></dt><dt>2. <a href="small.html#id25 58144">692 </a></dt><dt>2. <a href="small.html#id2564201"> 693 693 Are there any DHCP server configuration parameters in the /etc/dhcpd.conf 694 694 that should be noted in particular? 695 </a></dt><dt>3. <a href="small.html#id25 58175">695 </a></dt><dt>3. <a href="small.html#id2564232"> 696 696 Is it possible to create a Windows Domain account that is specifically called Administrator? 697 </a></dt><dt>4. <a href="small.html#id25 58211">697 </a></dt><dt>4. <a href="small.html#id2564268"> 698 698 Why is it necessary to give the Windows Domain Administrator a UNIX UID of 0? 699 </a></dt><dt>5. <a href="small.html#id25 58250">699 </a></dt><dt>5. <a href="small.html#id2564307"> 700 700 One of my junior staff needs the ability to add machines to the Domain, but I do not want to give him 701 701 root access. How can we do this? 702 </a></dt><dt>6. <a href="small.html#id25 58289">702 </a></dt><dt>6. <a href="small.html#id2564346"> 703 703 Why must I map Windows Domain Groups to UNIX groups? 704 </a></dt><dt>7. <a href="small.html#id25 58325">704 </a></dt><dt>7. <a href="small.html#id2564382"> 705 705 I deleted my root account and now I cannot add it back! What can I do? 706 </a></dt><dt>8. <a href="small.html#id25 58393">706 </a></dt><dt>8. <a href="small.html#id2564450"> 707 707 When I run net groupmap list, it reports a group called Administrators 708 708 as well as Domain Admins. What is the difference between them? 709 </a></dt><dt>9. <a href="small.html#id25 58437">709 </a></dt><dt>9. <a href="small.html#id2564494"> 710 710 What is the effect of changing the name of a Samba server or of changing the Domain name? 711 </a></dt><dt>10. <a href="small.html#id25 58487">711 </a></dt><dt>10. <a href="small.html#id2564544"> 712 712 How can I manage user accounts from my Windows XP Professional workstation? 713 </a></dt></dl><table border="0" summary="Q and A Set"><col align="left" width="1%"><tbody><tr class="question"><td align="left" valign="top"><a name="id2558117"></a><a name="id2558119"></a><p><b>1.</b></p></td><td align="left" valign="top"><p>713 </a></dt></dl><table border="0" width="100%" summary="Q and A Set"><col align="left" width="1%"><col><tbody><tr class="question" title="1."><td align="left" valign="top"><a name="id2564174"></a><a name="id2564176"></a><p><b>1.</b></p></td><td align="left" valign="top"><p> 714 714 What is the key benefit of using DHCP to configure Windows client TCP/IP stacks? 715 715 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 720 720 default routes and DNS server addresses that apply only to the Abmas office environment do 721 721 not interfere with remote operations. This is an extremely important feature of DHCP. 722 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558144"></a><a name="id2558146"></a><p><b>2.</b></p></td><td align="left" valign="top"><p>722 </p></td></tr><tr class="question" title="2."><td align="left" valign="top"><a name="id2564201"></a><a name="id2564203"></a><p><b>2.</b></p></td><td align="left" valign="top"><p> 723 723 Are there any DHCP server configuration parameters in the <code class="filename">/etc/dhcpd.conf</code> 724 724 that should be noted in particular? … … 729 729 NetBIOS machine name needs to be resolved to an IP Address. This configuration 730 730 results in far lower UDP broadcast traffic than would be the case if WINS was not used. 731 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558175"></a><a name="id2558177"></a><p><b>3.</b></p></td><td align="left" valign="top"><p>731 </p></td></tr><tr class="question" title="3."><td align="left" valign="top"><a name="id2564232"></a><a name="id2564234"></a><p><b>3.</b></p></td><td align="left" valign="top"><p> 732 732 Is it possible to create a Windows Domain account that is specifically called <code class="constant">Administrator</code>? 733 733 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 736 736 necessary to use the <em class="parameter"><code>username map</code></em> facility to map this account to the UNIX 737 737 account called <code class="constant">root</code>. 738 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558211"></a><a name="id2558213"></a><p><b>4.</b></p></td><td align="left" valign="top"><p>738 </p></td></tr><tr class="question" title="4."><td align="left" valign="top"><a name="id2564268"></a><a name="id2564270"></a><p><b>4.</b></p></td><td align="left" valign="top"><p> 739 739 Why is it necessary to give the Windows Domain <code class="constant">Administrator</code> a UNIX UID of 0? 740 740 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 746 746 settings within the Domain and on the Samba server, equivalent rights must be assigned. This is 747 747 achieved with the <code class="constant">root</code> UID equal to 0. 748 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558250"></a><a name="id2558252"></a><p><b>5.</b></p></td><td align="left" valign="top"><p>748 </p></td></tr><tr class="question" title="5."><td align="left" valign="top"><a name="id2564307"></a><a name="id2564309"></a><p><b>5.</b></p></td><td align="left" valign="top"><p> 749 749 One of my junior staff needs the ability to add machines to the Domain, but I do not want to give him 750 750 <code class="constant">root</code> access. How can we do this? … … 755 755 This must be the primary GID of the account of the user who is a member of the Windows <code class="constant"> 756 756 Domain Admins</code> account. 757 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558289"></a><a name="id2558291"></a><p><b>6.</b></p></td><td align="left" valign="top"><p>757 </p></td></tr><tr class="question" title="6."><td align="left" valign="top"><a name="id2564346"></a><a name="id2564348"></a><p><b>6.</b></p></td><td align="left" valign="top"><p> 758 758 Why must I map Windows Domain Groups to UNIX groups? 759 759 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 761 761 has a UNIX group account equivalent. The Domain groups that should be given UNIX equivalents are 762 762 <span class="guimenu">Domain Guests</span>, <span class="guimenu">Domain Users</span>, and <span class="guimenu">Domain Admins</span>. 763 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558325"></a><a name="id2558328"></a><p><b>7.</b></p></td><td align="left" valign="top"><p>763 </p></td></tr><tr class="question" title="7."><td align="left" valign="top"><a name="id2564382"></a><a name="id2564385"></a><p><b>7.</b></p></td><td align="left" valign="top"><p> 764 764 I deleted my <code class="constant">root</code> account and now I cannot add it back! What can I do? 765 765 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> 766 766 This is a nasty problem. Fortunately, there is a solution. 767 </p><div class="procedure"><ol type="1"><li><p>767 </p><div class="procedure"><ol class="procedure" type="1"><li class="step" title="Step 1"><p> 768 768 Back up your existing configuration files in case you need to restore them. 769 </p></li><li ><p>769 </p></li><li class="step" title="Step 2"><p> 770 770 Rename the <code class="filename">group_mapping.tdb</code> file. 771 </p></li><li ><p>771 </p></li><li class="step" title="Step 3"><p> 772 772 Use the <code class="literal">smbpasswd</code> to add the root account. 773 </p></li><li ><p>773 </p></li><li class="step" title="Step 4"><p> 774 774 Restore the <code class="filename">group_mapping.tdb</code> file. 775 </p></li></ol></div></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558393"></a><a name="id2558395"></a><p><b>8.</b></p></td><td align="left" valign="top"><p>775 </p></li></ol></div></td></tr><tr class="question" title="8."><td align="left" valign="top"><a name="id2564450"></a><a name="id2564452"></a><p><b>8.</b></p></td><td align="left" valign="top"><p> 776 776 When I run <code class="literal">net groupmap list</code>, it reports a group called <span class="guimenu">Administrators</span> 777 777 as well as <span class="guimenu">Domain Admins</span>. What is the difference between them? … … 781 781 Groups at this time. A Workstation or Server Local Group has no meaning in a Samba context. This 782 782 may change at some later date. These accounts are provided only so that security objects are correctly shown. 783 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558437"></a><a name="id2558440"></a><p><b>9.</b></p></td><td align="left" valign="top"><p>783 </p></td></tr><tr class="question" title="9."><td align="left" valign="top"><a name="id2564494"></a><a name="id2564497"></a><p><b>9.</b></p></td><td align="left" valign="top"><p> 784 784 What is the effect of changing the name of a Samba server or of changing the Domain name? 785 785 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 793 793 or the <code class="literal">smbpasswd</code> (Samba-2.2.x). To change the SID, you use the same tool. Be sure 794 794 to check the man page for this command for detailed instructions regarding the steps involved. 795 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558487"></a><a name="id2558489"></a><p><b>10.</b></p></td><td align="left" valign="top"><p>795 </p></td></tr><tr class="question" title="10."><td align="left" valign="top"><a name="id2564544"></a><a name="id2564546"></a><p><b>10.</b></p></td><td align="left" valign="top"><p> 796 796 How can I manage user accounts from my Windows XP Professional workstation? 797 797 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p>
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