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r414 r599 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#id2555439">Introduction</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2555462">Assignment Tasks</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2555522">Dissection and Discussion</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2555570">Technical Issues</a></span></dt><dt><span class="sect2"><a href="small.html#id2555768">Political Issues</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2555790">Implementation</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id2557337">Validation</a></span></dt><dt><span class="sect2"><a href="small.html#id2557985">Notebook Computers: A Special Case</a></span></dt><dt><span class="sect2"><a href="small.html#id2558010">Key Points Learned</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id2558084">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#id327308">Introduction</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id327326">Assignment Tasks</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id327371">Dissection and Discussion</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id327416">Technical Issues</a></span></dt><dt><span class="sect2"><a href="small.html#id327588">Political Issues</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id327606">Implementation</a></span></dt><dd><dl><dt><span class="sect2"><a href="small.html#id329058">Validation</a></span></dt><dt><span class="sect2"><a href="small.html#id329633">Notebook Computers: A Special Case</a></span></dt><dt><span class="sect2"><a href="small.html#id329652">Key Points Learned</a></span></dt></dl></dd><dt><span class="sect1"><a href="small.html#id329716">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="id 2555395"></a>11 <a class="indexterm" name="id327280"></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="id2555439"></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="id327308"></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="id2555462"></a>Assignment Tasks</h3></div></div></div><p>51 <a class="indexterm" name="id 2555469"></a>50 </p><div class="sect2" title="Assignment Tasks"><div class="titlepage"><div><div><h3 class="title"><a name="id327326"></a>Assignment Tasks</h3></div></div></div><p> 51 <a class="indexterm" name="id327333"></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="id2555522"></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="id327371"></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="id 2555543"></a>91 </p></li><li ><p>90 <a class="indexterm" name="id327391"></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="id2555570"></a>Technical Issues</h3></div></div></div><p>100 <a class="indexterm" name="id 2555577"></a>101 <a class="indexterm" name="id 2555584"></a>102 <a class="indexterm" name="id 2555590"></a>103 <a class="indexterm" name="id 2555596"></a>104 <a class="indexterm" name="id 2555602"></a>99 </p><div class="sect2" title="Technical Issues"><div class="titlepage"><div><div><h3 class="title"><a name="id327416"></a>Technical Issues</h3></div></div></div><p> 100 <a class="indexterm" name="id327424"></a> 101 <a class="indexterm" name="id327430"></a> 102 <a class="indexterm" name="id327436"></a> 103 <a class="indexterm" name="id327443"></a> 104 <a class="indexterm" name="id327449"></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="id 2555662"></a>125 <a class="indexterm" name="id327498"></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="id 2555692"></a>141 <a class="indexterm" name="id 2555700"></a>140 <a class="indexterm" name="id327521"></a> 141 <a class="indexterm" name="id327530"></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="id 2555755"></a>158 <a class="indexterm" name="id327576"></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="id2555768"></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="id327588"></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="id2555790"></a>Implementation</h2></div></div></div><p>170 <a class="indexterm" name="id 2555797"></a>169 </p></div></div><div class="sect1" title="Implementation"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id327606"></a>Implementation</h2></div></div></div><p> 170 <a class="indexterm" name="id327614"></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="id 2555823"></a>178 <a class="indexterm" name="id327636"></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="id 2555838"></a>184 <a class="indexterm" name="id327648"></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="id 2555852"></a>188 <a class="indexterm" name="id327661"></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. 191 191 </p><p> 192 192 </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><p><br class="figure-break"> 193 </p><div class="procedure" ><a name="id2555910"></a><p class="title"><b>Procedure 2.1. Server Installation Steps</b></p><ol type="1"><li><p>193 </p><div class="procedure" title="Procedure 2.1. Server Installation Steps"><a name="id327717"></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> 194 194 Using UNIX/Linux system tools, name the server <code class="constant">sleeth</code>. 195 </p></li><li ><p>196 <a class="indexterm" name="id 2555931"></a>195 </p></li><li class="step" title="Step 2"><p> 196 <a class="indexterm" name="id327737"></a> 197 197 Place an entry for the machine <code class="constant">sleeth</code> in the <code class="filename">/etc/hosts</code>. 198 198 The printers are network attached, so there should be entries for the … … 205 205 192.168.2.10 qms 206 206 </pre><p> 207 </p></li><li ><p>207 </p></li><li class="step" title="Step 3"><p> 208 208 Install the Samba-3 binary RPM from the Samba-Team FTP site. 209 </p></li><li ><p>209 </p></li><li class="step" title="Step 4"><p> 210 210 Install the ISC DHCP server using the UNIX/Linux system tools available to you. 211 </p></li><li ><p>212 <a class="indexterm" name="id 2555982"></a>213 <a class="indexterm" name="id 2555988"></a>214 <a class="indexterm" name="id 2555995"></a>215 <a class="indexterm" name="id 2556001"></a>211 </p></li><li class="step" title="Step 5"><p> 212 <a class="indexterm" name="id327784"></a> 213 <a class="indexterm" name="id327791"></a> 214 <a class="indexterm" name="id327797"></a> 215 <a class="indexterm" name="id327803"></a> 216 216 Because Samba will be operating over two network interfaces and clients on each side 217 217 may want to be able to reach clients on the other side, it is imperative that IP forwarding … … 223 223 </pre><p> 224 224 This causes the Linux kernel to forward IP packets so that it acts as a router. 225 </p></li><li ><p>225 </p></li><li class="step" title="Step 6"><p> 226 226 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 227 227 <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 228 228 <code class="filename">/etc/samba/smb.conf</code> file. 229 </p></li><li ><p>230 <a class="indexterm" name="id 2556060"></a>229 </p></li><li class="step" title="Step 7"><p> 230 <a class="indexterm" name="id327856"></a> 231 231 Add the user <code class="literal">root</code> to the Samba password backend: 232 232 </p><pre class="screen"> … … 236 236 <code class="prompt">root# </code> 237 237 </pre><p> 238 <a class="indexterm" name="id 2556089"></a>238 <a class="indexterm" name="id327884"></a> 239 239 This is the Windows Domain Administrator password. Never delete this account from 240 240 the password backend after Windows Domain Groups have been initialized. If you delete 241 241 this account, your system is crippled. You cannot restore this account, 242 242 and your Samba server can no longer be administered. 243 </p></li><li ><p>244 <a class="indexterm" name="id 2556107"></a>243 </p></li><li class="step" title="Step 8"><p> 244 <a class="indexterm" name="id327899"></a> 245 245 Create the username map file to permit the <code class="constant">root</code> account to be called 246 246 <code class="constant">Administrator</code> from the Windows network environment. To do this, create … … 268 268 #### 269 269 </pre><p> 270 </p></li><li ><p>271 <a class="indexterm" name="id 2556147"></a>270 </p></li><li class="step" title="Step 9"><p> 271 <a class="indexterm" name="id327933"></a> 272 272 Create and map Windows Domain Groups to UNIX groups. A sample script is provided in 273 273 <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 … … 275 275 and then execute the script. Sample output should be as follows: 276 276 277 </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="id 2556176"></a><pre class="screen">277 </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="id327958"></a><pre class="screen"> 278 278 #!/bin/bash 279 279 # … … 324 324 Users (S-1-5-32-545) -> -1 325 325 </pre><p> 326 </p></li><li ><p>327 <a class="indexterm" name="id 2556254"></a>328 <a class="indexterm" name="id 2556260"></a>329 <a class="indexterm" name="id 2556268"></a>326 </p></li><li class="step" title="Step 10"><p> 327 <a class="indexterm" name="id328022"></a> 328 <a class="indexterm" name="id328029"></a> 329 <a class="indexterm" name="id328037"></a> 330 330 For each user who needs to be given a Windows Domain account, make an entry in the 331 331 <code class="filename">/etc/passwd</code> file as well as in the Samba password backend. … … 333 333 <code class="literal">smbpasswd</code> program to create the Domain user accounts. 334 334 </p><p> 335 <a class="indexterm" name="id 2556293"></a>336 <a class="indexterm" name="id 2556300"></a>337 <a class="indexterm" name="id 2556306"></a>335 <a class="indexterm" name="id328059"></a> 336 <a class="indexterm" name="id328066"></a> 337 <a class="indexterm" name="id328072"></a> 338 338 There are a number of tools for user management under UNIX, such as 339 339 <code class="literal">useradd</code> and <code class="literal">adduser</code>, as well as a plethora of custom 340 340 tools. With the tool of your choice, create a home directory for each user. 341 </p></li><li ><p>341 </p></li><li class="step" title="Step 11"><p> 342 342 Using the preferred tool for your UNIX system, add each user to the UNIX groups created 343 343 previously, as necessary. File system access control will be based on UNIX group membership. 344 </p></li><li ><p>344 </p></li><li class="step" title="Step 12"><p> 345 345 Create the directory mount point for the disk subsystem that is mounted to provide 346 346 data storage for company files. In this case the mount point is indicated in the <code class="filename">smb.conf</code> … … 348 348 file system partition using <code class="literal">mount</code>, 349 349 and make the appropriate changes in <code class="filename">/etc/fstab</code>. 350 </p></li><li ><p>350 </p></li><li class="step" title="Step 13"><p> 351 351 Create the top-level file storage directories are follows: 352 352 </p><pre class="screen"> … … 360 360 share. The directory root of the <code class="literal">accounts</code> share is <code class="filename">/data/accounts</code>. 361 361 The directory root of the <code class="literal">finsvcs</code> share is <code class="filename">/data/finsvcs</code>. 362 </p></li><li ><p>362 </p></li><li class="step" title="Step 14"><p> 363 363 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>. 364 364 Follow the instructions in the manufacturers' manuals to permit printing to port 9100. 365 365 This allows the CUPS spooler to print using raw mode protocols. 366 <a class="indexterm" name="id 2556450"></a>367 <a class="indexterm" name="id 2556456"></a>368 </p></li><li ><p>369 <a class="indexterm" name="id 2556468"></a>370 <a class="indexterm" name="id 2556477"></a>366 <a class="indexterm" name="id328203"></a> 367 <a class="indexterm" name="id328209"></a> 368 </p></li><li class="step" title="Step 15"><p> 369 <a class="indexterm" name="id328222"></a> 370 <a class="indexterm" name="id328230"></a> 371 371 Configure the CUPS Print Queues as follows: 372 372 </p><pre class="screen"> … … 375 375 <code class="prompt">root# </code> lpadmin -p qms -v socket://192.168.2.10:9100 -E 376 376 </pre><p> 377 <a class="indexterm" name="id 2556508"></a>377 <a class="indexterm" name="id328257"></a> 378 378 This creates the necessary print queues with no assigned print filter. 379 </p></li><li ><p>380 <a class="indexterm" name="id 2556522"></a>381 <a class="indexterm" name="id 2556528"></a>382 <a class="indexterm" name="id 2556534"></a>379 </p></li><li class="step" title="Step 16"><p> 380 <a class="indexterm" name="id328270"></a> 381 <a class="indexterm" name="id328277"></a> 382 <a class="indexterm" name="id328283"></a> 383 383 Edit the file <code class="filename">/etc/cups/mime.convs</code> to uncomment the line: 384 384 </p><pre class="screen"> 385 385 application/octet-stream application/vnd.cups-raw 0 - 386 386 </pre><p> 387 </p></li><li ><p>388 <a class="indexterm" name="id 2556558"></a>387 </p></li><li class="step" title="Step 17"><p> 388 <a class="indexterm" name="id328306"></a> 389 389 Edit the file <code class="filename">/etc/cups/mime.types</code> to uncomment the line: 390 390 </p><pre class="screen"> 391 391 application/octet-stream 392 392 </pre><p> 393 </p></li><li ><p>394 <a class="indexterm" name="id 2556581"></a>393 </p></li><li class="step" title="Step 18"><p> 394 <a class="indexterm" name="id328329"></a> 395 395 Using your favorite system editor, create an <code class="filename">/etc/dhcpd.conf</code> with the 396 396 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>. 397 </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="id 2556614"></a><pre class="screen">397 </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="id328359"></a><pre class="screen"> 398 398 default-lease-time 86400; 399 399 max-lease-time 172800; … … 439 439 } 440 440 </pre></div></div><p><br class="example-break"> 441 </p></li><li ><p>441 </p></li><li class="step" title="Step 19"><p> 442 442 Use the standard system tool to start Samba and CUPS and configure them to start 443 443 automatically at every system reboot. For example, 444 444 </p><p> 445 <a class="indexterm" name="id 2556658"></a>446 <a class="indexterm" name="id 2556664"></a>447 <a class="indexterm" name="id 2556670"></a>448 <a class="indexterm" name="id 2556676"></a>449 <a class="indexterm" name="id 2556683"></a>445 <a class="indexterm" name="id328392"></a> 446 <a class="indexterm" name="id328398"></a> 447 <a class="indexterm" name="id328404"></a> 448 <a class="indexterm" name="id328411"></a> 449 <a class="indexterm" name="id328417"></a> 450 450 </p><pre class="screen"> 451 451 <code class="prompt">root# </code> chkconfig dhcp on … … 456 456 <code class="prompt">root# </code> /etc/rc.d/init.d/cups restart 457 457 </pre><p> 458 </p></li><li ><p>459 <a class="indexterm" name="id 2556733"></a>460 <a class="indexterm" name="id 2556739"></a>461 <a class="indexterm" name="id 2556748"></a>462 <a class="indexterm" name="id 2556754"></a>463 <a class="indexterm" name="id 2556760"></a>464 <a class="indexterm" name="id 2556766"></a>458 </p></li><li class="step" title="Step 20"><p> 459 <a class="indexterm" name="id328466"></a> 460 <a class="indexterm" name="id328472"></a> 461 <a class="indexterm" name="id328480"></a> 462 <a class="indexterm" name="id328487"></a> 463 <a class="indexterm" name="id328493"></a> 464 <a class="indexterm" name="id328499"></a> 465 465 Configure the name service switch (NSS) to handle WINS-based name resolution. 466 466 Since this system does not use a DNS server, it is safe to remove this option from … … 470 470 hosts: files wins 471 471 </pre><p> 472 </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="id2556824"></a><em class="parameter"><code>workgroup = BILLMORE</code></em></td></tr><tr><td><a class="indexterm" name="id2556834"></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="id2556846"></a><em class="parameter"><code>username map = /etc/samba/smbusers</code></em></td></tr><tr><td><a class="indexterm" name="id2556857"></a><em class="parameter"><code>syslog = 0</code></em></td></tr><tr><td><a class="indexterm" name="id2556867"></a><em class="parameter"><code>name resolve order = wins bcast hosts</code></em></td></tr><tr><td><a class="indexterm" name="id2556878"></a><em class="parameter"><code>printcap name = CUPS</code></em></td></tr><tr><td><a class="indexterm" name="id2556889"></a><em class="parameter"><code>show add printer wizard = No</code></em></td></tr><tr><td><a class="indexterm" name="id2556900"></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="id2556911"></a><em class="parameter"><code>delete user script = /usr/sbin/userdel -r '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id2556922"></a><em class="parameter"><code>add group script = /usr/sbin/groupadd '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id2556934"></a><em class="parameter"><code>delete group script = /usr/sbin/groupdel '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id2556945"></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="id2556956"></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="id2556968"></a><em class="parameter"><code>logon script = scripts\login.bat</code></em></td></tr><tr><td><a class="indexterm" name="id2556979"></a><em class="parameter"><code>logon path = </code></em></td></tr><tr><td><a class="indexterm" name="id2556990"></a><em class="parameter"><code>logon drive = X:</code></em></td></tr><tr><td><a class="indexterm" name="id2557000"></a><em class="parameter"><code>domain logons = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557011"></a><em class="parameter"><code>preferred master = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557021"></a><em class="parameter"><code>wins support = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557031"></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="id2557072"></a><em class="parameter"><code>comment = Home Directories</code></em></td></tr><tr><td><a class="indexterm" name="id2557082"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id2557093"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td><a class="indexterm" name="id2557103"></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="id2557122"></a><em class="parameter"><code>comment = SMB Print Spool</code></em></td></tr><tr><td><a class="indexterm" name="id2557132"></a><em class="parameter"><code>path = /var/spool/samba</code></em></td></tr><tr><td><a class="indexterm" name="id2557143"></a><em class="parameter"><code>printable = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557153"></a><em class="parameter"><code>guest ok = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557163"></a><em class="parameter"><code>use client driver = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id2557174"></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="id2557193"></a><em class="parameter"><code>comment = Network Logon Service</code></em></td></tr><tr><td><a class="indexterm" name="id2557204"></a><em class="parameter"><code>path = /data/%U</code></em></td></tr><tr><td><a class="indexterm" name="id2557214"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id2557224"></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="id2557243"></a><em class="parameter"><code>comment = Accounting Files</code></em></td></tr><tr><td><a class="indexterm" name="id2557254"></a><em class="parameter"><code>path = /data/accounts</code></em></td></tr><tr><td><a class="indexterm" name="id2557264"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id2557274"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[finsrvcs]</code></em></td></tr><tr><td><a class="indexterm" name="id2557293"></a><em class="parameter"><code>comment = Financial Service Files</code></em></td></tr><tr><td><a class="indexterm" name="id2557304"></a><em class="parameter"><code>path = /data/finsrvcs</code></em></td></tr><tr><td><a class="indexterm" name="id2557315"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id2557325"></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="id2557337"></a>Validation</h3></div></div></div><p>472 </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="id328555"></a><em class="parameter"><code>workgroup = BILLMORE</code></em></td></tr><tr><td><a class="indexterm" name="id328565"></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="id328576"></a><em class="parameter"><code>username map = /etc/samba/smbusers</code></em></td></tr><tr><td><a class="indexterm" name="id328587"></a><em class="parameter"><code>syslog = 0</code></em></td></tr><tr><td><a class="indexterm" name="id328597"></a><em class="parameter"><code>name resolve order = wins bcast hosts</code></em></td></tr><tr><td><a class="indexterm" name="id328607"></a><em class="parameter"><code>printcap name = CUPS</code></em></td></tr><tr><td><a class="indexterm" name="id328618"></a><em class="parameter"><code>show add printer wizard = No</code></em></td></tr><tr><td><a class="indexterm" name="id328628"></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="id328639"></a><em class="parameter"><code>delete user script = /usr/sbin/userdel -r '%u'</code></em></td></tr><tr><td><a class="indexterm" name="id328649"></a><em class="parameter"><code>add group script = /usr/sbin/groupadd '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id328659"></a><em class="parameter"><code>delete group script = /usr/sbin/groupdel '%g'</code></em></td></tr><tr><td><a class="indexterm" name="id328670"></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="id328681"></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="id328692"></a><em class="parameter"><code>logon script = scripts\login.bat</code></em></td></tr><tr><td><a class="indexterm" name="id328702"></a><em class="parameter"><code>logon path = </code></em></td></tr><tr><td><a class="indexterm" name="id328713"></a><em class="parameter"><code>logon drive = X:</code></em></td></tr><tr><td><a class="indexterm" name="id328723"></a><em class="parameter"><code>domain logons = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id328734"></a><em class="parameter"><code>preferred master = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id328744"></a><em class="parameter"><code>wins support = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id328754"></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="id328794"></a><em class="parameter"><code>comment = Home Directories</code></em></td></tr><tr><td><a class="indexterm" name="id328805"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id328815"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td><a class="indexterm" name="id328825"></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="id328844"></a><em class="parameter"><code>comment = SMB Print Spool</code></em></td></tr><tr><td><a class="indexterm" name="id328855"></a><em class="parameter"><code>path = /var/spool/samba</code></em></td></tr><tr><td><a class="indexterm" name="id328865"></a><em class="parameter"><code>printable = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id328875"></a><em class="parameter"><code>guest ok = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id328886"></a><em class="parameter"><code>use client driver = Yes</code></em></td></tr><tr><td><a class="indexterm" name="id328896"></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="id328915"></a><em class="parameter"><code>comment = Network Logon Service</code></em></td></tr><tr><td><a class="indexterm" name="id328925"></a><em class="parameter"><code>path = /data/%U</code></em></td></tr><tr><td><a class="indexterm" name="id328936"></a><em class="parameter"><code>valid users = %S</code></em></td></tr><tr><td><a class="indexterm" name="id328946"></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="id328965"></a><em class="parameter"><code>comment = Accounting Files</code></em></td></tr><tr><td><a class="indexterm" name="id328975"></a><em class="parameter"><code>path = /data/accounts</code></em></td></tr><tr><td><a class="indexterm" name="id328986"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id328996"></a><em class="parameter"><code>read only = No</code></em></td></tr><tr><td> </td></tr><tr><td><em class="parameter"><code>[finsrvcs]</code></em></td></tr><tr><td><a class="indexterm" name="id329015"></a><em class="parameter"><code>comment = Financial Service Files</code></em></td></tr><tr><td><a class="indexterm" name="id329025"></a><em class="parameter"><code>path = /data/finsrvcs</code></em></td></tr><tr><td><a class="indexterm" name="id329036"></a><em class="parameter"><code>valid users = %G</code></em></td></tr><tr><td><a class="indexterm" name="id329046"></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="id329058"></a>Validation</h3></div></div></div><p> 473 473 Does everything function as it ought? That is the key question at this point. 474 474 Here are some simple steps to validate your Samba server configuration. 475 </p><div class="procedure" ><a name="id2557348"></a><p class="title"><b>Procedure 2.2. Validation Steps</b></p><ol type="1"><li><p>476 <a class="indexterm" name="id 2557358"></a>475 </p><div class="procedure" title="Procedure 2.2. Validation Steps"><a name="id329068"></a><p class="title"><b>Procedure 2.2. Validation Steps</b></p><ol class="procedure" type="1"><li class="step" title="Step 1"><p> 476 <a class="indexterm" name="id329078"></a> 477 477 If your <code class="filename">smb.conf</code> file has bogus options or parameters, this may cause Samba 478 478 to refuse to start. The first step should always be to validate the contents … … 520 520 </pre><p> 521 521 Clear away all errors before proceeding, and start or restart samba as necessary. 522 </p></li><li ><p>523 <a class="indexterm" name="id 2557438"></a>524 <a class="indexterm" name="id 2557444"></a>525 <a class="indexterm" name="id 2557450"></a>526 <a class="indexterm" name="id 2557457"></a>522 </p></li><li class="step" title="Step 2"><p> 523 <a class="indexterm" name="id329135"></a> 524 <a class="indexterm" name="id329141"></a> 525 <a class="indexterm" name="id329148"></a> 526 <a class="indexterm" name="id329154"></a> 527 527 Check that the Samba server is running: 528 528 </p><pre class="screen"> … … 540 540 <span class="emphasis"><em>TOSHARG2</em></span>, Chapter 23, Section 23.3. The single instance of 541 541 <code class="literal">smbd</code> is normal. 542 </p></li><li ><p>543 <a class="indexterm" name="id 2557508"></a>542 </p></li><li class="step" title="Step 3"><p> 543 <a class="indexterm" name="id329199"></a> 544 544 Check that an anonymous connection can be made to the Samba server: 545 545 </p><pre class="screen"> … … 569 569 The <code class="constant">-U%</code> argument means to send a <code class="constant">NULL</code> username and 570 570 a <code class="constant">NULL</code> password. 571 </p></li><li ><p>572 <a class="indexterm" name="id 2557558"></a>573 <a class="indexterm" name="id 2557564"></a>574 <a class="indexterm" name="id 2557571"></a>571 </p></li><li class="step" title="Step 4"><p> 572 <a class="indexterm" name="id329241"></a> 573 <a class="indexterm" name="id329247"></a> 574 <a class="indexterm" name="id329254"></a> 575 575 Verify that the printers have the IP addresses assigned in the DHCP server configuration file. 576 576 The easiest way to do this is to ping the printer name. Immediately after the ping response … … 590 590 IP address from which the printer has responded and the entry for it in the 591 591 <code class="filename">/etc/dhcpd.conf</code> file. 592 </p></li><li ><p>593 <a class="indexterm" name="id 2557631"></a>592 </p></li><li class="step" title="Step 5"><p> 593 <a class="indexterm" name="id329307"></a> 594 594 Make an authenticated connection to the server using the <code class="literal">smbclient</code> tool: 595 595 </p><pre class="screen"> … … 608 608 smb: \> q 609 609 </pre><p> 610 </p></li></ol></div></div><div class="procedure" ><a name="id2557680"></a><p class="title"><b>Procedure 2.3. Windows XP Professional Client Configuration</b></p><ol type="1"><li><p>610 </p></li></ol></div></div><div class="procedure" title="Procedure 2.3. Windows XP Professional Client Configuration"><a name="id329344"></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> 611 611 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>. 612 612 All clients use DHCP for TCP/IP protocol stack configuration. 613 <a class="indexterm" name="id 2557698"></a>614 <a class="indexterm" name="id 2557704"></a>613 <a class="indexterm" name="id329359"></a> 614 <a class="indexterm" name="id329366"></a> 615 615 DHCP configures all Windows clients to use the WINS Server address <code class="constant">192.168.1.1</code>. 616 </p></li><li ><p>616 </p></li><li class="step" title="Step 2"><p> 617 617 Join the Windows Domain called <code class="constant">BILLMORE</code>. Use the Domain Administrator 618 618 username <code class="constant">root</code> and the SMB password you assigned to this account. … … 620 620 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>. 621 621 Reboot the machine as prompted and then log on using a Domain User account. 622 </p></li><li ><p>622 </p></li><li class="step" title="Step 3"><p> 623 623 Verify on each client that the machine called <code class="constant">SLEETH</code> 624 624 is visible in <span class="guimenu">My Network Places</span>, that it is … … 626 626 and <span class="guimenuitem">finsvcs</span>, 627 627 and that it is possible to open that share to reveal its contents. 628 </p></li><li ><p>628 </p></li><li class="step" title="Step 4"><p> 629 629 Instruct all users to log onto the workstation using their assigned username and password. 630 </p></li><li ><p>630 </p></li><li class="step" title="Step 5"><p> 631 631 Install a printer on each using the following steps: 632 </p><div class="procedure"><ol type="1"><li><p>632 </p><div class="procedure"><ol class="procedure" type="1"><li class="step" title="Step 5.1"><p> 633 633 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>. 634 634 Ensure that <span class="guimenuitem">Local printer</span> is selected. 635 </p></li><li ><p>635 </p></li><li class="step" title="Step 5.2"><p> 636 636 Click <span class="guibutton">Next</span>. In the 637 637 <span class="guimenuitem">Manufacturer:</span> panel, select <code class="constant">HP</code>. 638 638 In the <span class="guimenuitem">Printers:</span> panel, select the printer called 639 639 <code class="constant">HP LaserJet 4</code>. Click <span class="guibutton">Next</span>. 640 </p></li><li ><p>640 </p></li><li class="step" title="Step 5.3"><p> 641 641 In the <span class="guimenuitem">Available ports:</span> panel, select 642 642 <code class="constant">FILE:</code>. Accept the default printer name by clicking 643 <span class="guibutton">Next</span>. When asked, “<span class="quote">Would you like to print a644 test page?</span>” , click <span class="guimenuitem">No</span>. Click643 <span class="guibutton">Next</span>. When asked, <span class="quote">“<span class="quote">Would you like to print a 644 test page?</span>”</span>, click <span class="guimenuitem">No</span>. Click 645 645 <span class="guibutton">Finish</span>. 646 </p></li><li ><p>646 </p></li><li class="step" title="Step 5.4"><p> 647 647 You may be prompted for the name of a file to print to. If so, close the 648 648 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>. 649 </p></li><li ><p>649 </p></li><li class="step" title="Step 5.5"><p> 650 650 In the <span class="guimenuitem">Network</span> panel, enter the name of 651 651 the print queue on the Samba server as follows: <code class="constant">\\SERVER\hplj4</code>. 652 652 Click <span class="guibutton">OK</span>+<span class="guibutton">OK</span> to complete the installation. 653 </p></li><li ><p>653 </p></li><li class="step" title="Step 5.6"><p> 654 654 Repeat the printer installation steps above for the HP LaserJet 6 printer 655 655 as well as for the QMS Magicolor XXXX laser printer. 656 </p></li></ol></div></li></ol></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2557985"></a>Notebook Computers: A Special Case</h3></div></div></div><p>656 </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="id329633"></a>Notebook Computers: A Special Case</h3></div></div></div><p> 657 657 As a network administrator, you already know how to create local machine accounts for Windows 200x/XP 658 658 Professional systems. This is the preferred solution to provide continuity of work for notebook users … … 664 664 that mean that as the network is more tightly secured, it becomes necessary to modify Windows client 665 665 configuration somewhat. 666 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2558010"></a>Key Points Learned</h3></div></div></div><p>666 </p></div><div class="sect2" title="Key Points Learned"><div class="titlepage"><div><div><h3 class="title"><a name="id329652"></a>Key Points Learned</h3></div></div></div><p> 667 667 In this network design and implementation exercise, you created a Windows NT4-style Domain 668 668 Controller using Samba-3.0.20. Following these guidelines, you experienced 669 669 and implemented several important aspects of Windows networking. In the next chapter, 670 670 you build on the experience. These are the highlights from this chapter: 671 </p><div class="itemizedlist"><ul type="disc"><li><p>672 <a class="indexterm" name="id 2558030"></a>671 </p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p> 672 <a class="indexterm" name="id329669"></a> 673 673 You implemented a DHCP server, and Microsoft Windows clients were able to obtain all necessary 674 674 network configuration settings from this server. 675 </p></li><li ><p>676 <a class="indexterm" name="id 2558043"></a>675 </p></li><li class="listitem"><p> 676 <a class="indexterm" name="id329681"></a> 677 677 You created a Windows Domain Controller. You were able to use the network logon service 678 678 and successfully joined Windows 200x/XP Professional clients to the Domain. 679 </p></li><li ><p>680 <a class="indexterm" name="id 2558057"></a>679 </p></li><li class="listitem"><p> 680 <a class="indexterm" name="id329693"></a> 681 681 You created raw print queues in the CUPS printing system. You maintained a simple 682 682 printing system so that all users can share centrally managed printers. You installed 683 683 native printer drivers on the Windows clients. 684 </p></li><li ><p>684 </p></li><li class="listitem"><p> 685 685 You experienced the benefits of centrally managed user accounts on the server. 686 </p></li><li ><p>686 </p></li><li class="listitem"><p> 687 687 You offered Mobile notebook users a solution that allows them to continue to work 688 688 while away from the office and not connected to the corporate network. 689 </p></li></ul></div></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2558084"></a>Questions and Answers</h2></div></div></div><p>689 </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="id329716"></a>Questions and Answers</h2></div></div></div><p> 690 690 Your new Domain Controller is ready to serve you. What does it mean? Here are some questions and answers that 691 691 may help. 692 </p><div class="qandaset" ><dl><dt>1. <a href="small.html#id2558097">692 </p><div class="qandaset" title="Frequently Asked Questions"><a name="id329726"></a><dl><dt>1. <a href="small.html#id329728"> 693 693 What is the key benefit of using DHCP to configure Windows client TCP/IP stacks? 694 </a></dt><dt>2. <a href="small.html#id 2558124">694 </a></dt><dt>2. <a href="small.html#id329750"> 695 695 Are there any DHCP server configuration parameters in the /etc/dhcpd.conf 696 696 that should be noted in particular? 697 </a></dt><dt>3. <a href="small.html#id 2558155">697 </a></dt><dt>3. <a href="small.html#id329776"> 698 698 Is it possible to create a Windows Domain account that is specifically called Administrator? 699 </a></dt><dt>4. <a href="small.html#id 2558192">699 </a></dt><dt>4. <a href="small.html#id329810"> 700 700 Why is it necessary to give the Windows Domain Administrator a UNIX UID of 0? 701 </a></dt><dt>5. <a href="small.html#id 2558230">701 </a></dt><dt>5. <a href="small.html#id329843"> 702 702 One of my junior staff needs the ability to add machines to the Domain, but I do not want to give him 703 703 root access. How can we do this? 704 </a></dt><dt>6. <a href="small.html#id 2558270">704 </a></dt><dt>6. <a href="small.html#id329878"> 705 705 Why must I map Windows Domain Groups to UNIX groups? 706 </a></dt><dt>7. <a href="small.html#id 2558306">706 </a></dt><dt>7. <a href="small.html#id329912"> 707 707 I deleted my root account and now I cannot add it back! What can I do? 708 </a></dt><dt>8. <a href="small.html#id 2558373">708 </a></dt><dt>8. <a href="small.html#id329978"> 709 709 When I run net groupmap list, it reports a group called Administrators 710 710 as well as Domain Admins. What is the difference between them? 711 </a></dt><dt>9. <a href="small.html#id 2558418">711 </a></dt><dt>9. <a href="small.html#id330018"> 712 712 What is the effect of changing the name of a Samba server or of changing the Domain name? 713 </a></dt><dt>10. <a href="small.html#id 2558467">713 </a></dt><dt>10. <a href="small.html#id330060"> 714 714 How can I manage user accounts from my Windows XP Professional workstation? 715 </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="id2558097"></a><a name="id2558099"></a><p><b>1.</b></p></td><td align="left" valign="top"><p>715 </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="id329728"></a><a name="id329730"></a><p><b>1.</b></p></td><td align="left" valign="top"><p> 716 716 What is the key benefit of using DHCP to configure Windows client TCP/IP stacks? 717 717 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 722 722 default routes and DNS server addresses that apply only to the Abmas office environment do 723 723 not interfere with remote operations. This is an extremely important feature of DHCP. 724 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558124"></a><a name="id2558126"></a><p><b>2.</b></p></td><td align="left" valign="top"><p>724 </p></td></tr><tr class="question" title="2."><td align="left" valign="top"><a name="id329750"></a><a name="id329752"></a><p><b>2.</b></p></td><td align="left" valign="top"><p> 725 725 Are there any DHCP server configuration parameters in the <code class="filename">/etc/dhcpd.conf</code> 726 726 that should be noted in particular? … … 731 731 NetBIOS machine name needs to be resolved to an IP Address. This configuration 732 732 results in far lower UDP broadcast traffic than would be the case if WINS was not used. 733 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558155"></a><a name="id2558157"></a><p><b>3.</b></p></td><td align="left" valign="top"><p>733 </p></td></tr><tr class="question" title="3."><td align="left" valign="top"><a name="id329776"></a><a name="id329778"></a><p><b>3.</b></p></td><td align="left" valign="top"><p> 734 734 Is it possible to create a Windows Domain account that is specifically called <code class="constant">Administrator</code>? 735 735 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 738 738 necessary to use the <em class="parameter"><code>username map</code></em> facility to map this account to the UNIX 739 739 account called <code class="constant">root</code>. 740 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558192"></a><a name="id2558194"></a><p><b>4.</b></p></td><td align="left" valign="top"><p>740 </p></td></tr><tr class="question" title="4."><td align="left" valign="top"><a name="id329810"></a><a name="id329812"></a><p><b>4.</b></p></td><td align="left" valign="top"><p> 741 741 Why is it necessary to give the Windows Domain <code class="constant">Administrator</code> a UNIX UID of 0? 742 742 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 748 748 settings within the Domain and on the Samba server, equivalent rights must be assigned. This is 749 749 achieved with the <code class="constant">root</code> UID equal to 0. 750 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558230"></a><a name="id2558232"></a><p><b>5.</b></p></td><td align="left" valign="top"><p>750 </p></td></tr><tr class="question" title="5."><td align="left" valign="top"><a name="id329843"></a><a name="id329845"></a><p><b>5.</b></p></td><td align="left" valign="top"><p> 751 751 One of my junior staff needs the ability to add machines to the Domain, but I do not want to give him 752 752 <code class="constant">root</code> access. How can we do this? … … 757 757 This must be the primary GID of the account of the user who is a member of the Windows <code class="constant"> 758 758 Domain Admins</code> account. 759 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558270"></a><a name="id2558272"></a><p><b>6.</b></p></td><td align="left" valign="top"><p>759 </p></td></tr><tr class="question" title="6."><td align="left" valign="top"><a name="id329878"></a><a name="id329880"></a><p><b>6.</b></p></td><td align="left" valign="top"><p> 760 760 Why must I map Windows Domain Groups to UNIX groups? 761 761 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 763 763 has a UNIX group account equivalent. The Domain groups that should be given UNIX equivalents are 764 764 <span class="guimenu">Domain Guests</span>, <span class="guimenu">Domain Users</span>, and <span class="guimenu">Domain Admins</span>. 765 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558306"></a><a name="id2558308"></a><p><b>7.</b></p></td><td align="left" valign="top"><p>765 </p></td></tr><tr class="question" title="7."><td align="left" valign="top"><a name="id329912"></a><a name="id329914"></a><p><b>7.</b></p></td><td align="left" valign="top"><p> 766 766 I deleted my <code class="constant">root</code> account and now I cannot add it back! What can I do? 767 767 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> 768 768 This is a nasty problem. Fortunately, there is a solution. 769 </p><div class="procedure"><ol type="1"><li><p>769 </p><div class="procedure"><ol class="procedure" type="1"><li class="step" title="Step 1"><p> 770 770 Back up your existing configuration files in case you need to restore them. 771 </p></li><li ><p>771 </p></li><li class="step" title="Step 2"><p> 772 772 Rename the <code class="filename">group_mapping.tdb</code> file. 773 </p></li><li ><p>773 </p></li><li class="step" title="Step 3"><p> 774 774 Use the <code class="literal">smbpasswd</code> to add the root account. 775 </p></li><li ><p>775 </p></li><li class="step" title="Step 4"><p> 776 776 Restore the <code class="filename">group_mapping.tdb</code> file. 777 </p></li></ol></div></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558373"></a><a name="id2558375"></a><p><b>8.</b></p></td><td align="left" valign="top"><p>777 </p></li></ol></div></td></tr><tr class="question" title="8."><td align="left" valign="top"><a name="id329978"></a><a name="id329980"></a><p><b>8.</b></p></td><td align="left" valign="top"><p> 778 778 When I run <code class="literal">net groupmap list</code>, it reports a group called <span class="guimenu">Administrators</span> 779 779 as well as <span class="guimenu">Domain Admins</span>. What is the difference between them? … … 783 783 Groups at this time. A Workstation or Server Local Group has no meaning in a Samba context. This 784 784 may change at some later date. These accounts are provided only so that security objects are correctly shown. 785 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558418"></a><a name="id2558420"></a><p><b>9.</b></p></td><td align="left" valign="top"><p>785 </p></td></tr><tr class="question" title="9."><td align="left" valign="top"><a name="id330018"></a><a name="id330020"></a><p><b>9.</b></p></td><td align="left" valign="top"><p> 786 786 What is the effect of changing the name of a Samba server or of changing the Domain name? 787 787 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p> … … 795 795 or the <code class="literal">smbpasswd</code> (Samba-2.2.x). To change the SID, you use the same tool. Be sure 796 796 to check the man page for this command for detailed instructions regarding the steps involved. 797 </p></td></tr><tr class="question" ><td align="left" valign="top"><a name="id2558467"></a><a name="id2558469"></a><p><b>10.</b></p></td><td align="left" valign="top"><p>797 </p></td></tr><tr class="question" title="10."><td align="left" valign="top"><a name="id330060"></a><a name="id330062"></a><p><b>10.</b></p></td><td align="left" valign="top"><p> 798 798 How can I manage user accounts from my Windows XP Professional workstation? 799 799 </p></td></tr><tr class="answer"><td align="left" valign="top"></td><td align="left" valign="top"><p>
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