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Creating a CentOS 5.0 Template

19,531 bytes added, 19:46, 2 November 2007
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<div class=Section1> <p class=MsoNormal><b style="'mso-bidi-font-sizeweight: 14pt"normal'><u><strongspanstyle='font-size:14.0pt;font-family:Tahoma'>Creating a <span class=SpellE>CentOS </span>5.0 Template for <span class=SpellE>OpenVZ</strongspan><o:p></o:p></span></u></b></divp<p class=MsoNormal><span style='font-size:10.0pt;font-family:Tahoma'><o:p>&nbsp;</o:p></span></p> <olstyle='margin-top:0in' start=1 type=1> <liclass=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Install a system (virtual or physical) with the default <span class=SpellE>CentOS </span> installation that you wish to package. <span style='mso-spacerun:yes'>  </span>This could be a minimal <span class=SpellE>distro </span> or the default <span class=SpellE>distro </span> or even something custom.<o:p></o:p></span></li> <liclass=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Once the OS has been installed, you need to <b style='mso-bidi-font-weight:normal'>tar </b> the contents of the OS.<o:p></o:p></span></li> <ol style="list'margin-top:0in' start=1 type=a> <li class=MsoNormal style='mso-typelist: lowerl0 level2 lfo1;tab-alpha"stops:list 1.0in'><span <li style='font-size:10.0pt;font-family:Tahoma'>First, create a file called <b style='mso-bidi-font-weight:normal'>/<span class=SpellE>tmp</span>/exclude </b>and add the following lines to it:<br o:p></o:p></span></li> </ol></ol> <p class=MsoNormal style='margin-left:.75in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><codespanstyle='font-size:10.0pt;font-family:"Courier New"'>.<span class=SpellE>bash_history<br /span><o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><spanclass=SpellE><span style='font-size:10.0pt;font-family:"Courier New"'>lost+found<br /span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'>/dev/*<br o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'>/<span class=SpellE>mnt</span>/*<br o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'>/<span class=SpellE>tmp</span>/*<br o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><span style='font-size:10.0pt;font-family:"Courier New"'>/proc/*<br o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'>/sys/*<br o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.25in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'>/<span class=SpellE>usr/src</span>/*<br o:p></o:p></codespan></lip> <p class=MsoNormal style='margin-left:.75in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:Tahoma'><o:p>&nbsp;</o:p></span></p> <ol style='margin-top:0in' start=2 type=1> <ol style='margin-top:0in' start=2 type=a> <liclass=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>Now, <b style='mso-bidi-font-weight: normal'>tar </b>the OS file up by typing :<o:p><code/o:p></span></li> </ol></ol> <p class=MsoNormal style='margin-left:.75in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Courier New"'>tar –czvf –<span class=SpellE>czvf</span>/tmp/centos-5.0-&lt;ARCH&gt;-&lt;DISTRO&gt;-<span class=SpellE>image.tar.gz </span>/ –X <span style='mso-spacerun:yes'>  </span>/<span class=SpellE>tmp</span>/exclude<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.75in;text-indent:-.25in'><spanstyle='font-size:10.0pt;font-family:"Courier New"'><span style='mso-tab-count:2'>      </codespan><o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.0in'><span style='font-size:10.0pt;font-family:Tahoma'> where <strongb style='mso-bidi-font-weight:normal'>&lt;ARCH&gt;</strongb> represents the system architecture (such as <strongb style='mso-bidi-font-weight:normal'>i386</strongb> or <strongb style='mso-bidi-font-weight:normal'>x86_64</strongb>) and <strongb style='mso-bidi-font-weight:normal'>&lt;DISTRO&gt;</strongb> represents the distribution (<strongb style='mso-bidi-font-weight:normal'>default</strongb>, <strongb style='mso-bidi-font-weight:normal'>minimal</strongb>, etc.).<o:p></o:p></lispan></p> <ol style='margin-top:0in' start=2 type=1> <ol style='margin-top:0in' start=3 type=a> <liclass=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>Now transfer the file over to the <span class=SpellE>OpenVZ </span> server into the <strongb style='mso-bidi-font-weight: normal'>/<span class=SpellE>vz</span>/template/cache</strongb> folder.<o:p></o:p></span></li> </ol> </liclass=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span <li style='font-size:10.0pt;font-family:Tahoma'>On the <span class=SpellE>OpenVZ </span> server create a “dummy” VPS by creating a folder called <strongb style='mso-bidi-font-weight:normal'>/vz/private/50</strongb> and copying the <strongb style='mso-bidi-font-weight:normal'>/<span class=SpellE>etc/vz/conf/ve-vps.basic.conf-sample</strongspan></b> to <strongb style='mso-bidi-font-weight:normal'>/etc/vz/conf/50.conf</strongb>.<o:p></o:p></span></li></ol> <p class=MsoNormal style='margin-left:.25in'><span style='font-size:10.0pt;font-family:Tahoma'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><b style='mso-bidi-font-weight:normal'><span style='font-size:8.0pt;font-family:Tahoma;color:red'>NOTE:<o:p></o:p></span></b></p<p class=MsoNormal style='margin-left:.5in'><b style='mso-bidi-font-weight:normal'><span style='font-size:8.0pt;font-family:Tahoma;color:red'>50</span></b><spanstyle='font-size:8.0pt;font-family:Tahoma;color:red'> is the VEID for theVPS.<span style='mso-spacerun:yes'>  </span>You can choose any unused VEID onthe <span class=SpellE>OpenVZ</span> server.<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:8.0pt;font-family:Tahoma'><o:p>&nbsp;</o:p></span></p> <ol style='margin-top:0in' start=4 type=1> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Now create a new folder called <b style='mso-bidi-font-weight:normal'>/vz/template/centos/5.0/&lt;ARCH&gt;/<span class=SpellE>config</span></b> again where <b style='mso-bidi-font-weight: normal'>&lt;ARCH&gt;</b> represents the system architecture.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Create a file in the folder called <b style='mso-bidi-font-weight:normal'>rpm</b> and add the following line:<o:p></o:p></span></li></ol> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>43<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <ol style='margin-top:0in' start=6 type=1> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Create a file called <span class=SpellE><b style='mso-bidi-font-weight:normal'>yum.conf</b></span> in the folder and add the following lines:<o:p></o:p></span></li>
</ol>
NOTE<p class=MsoNormal style='margin-left:50 is the VEID for the VPS. You can choose any unused VEID on the OpenVZ server25in'><span style='font-size:10.0pt;font-family:Tahoma'><o:p>&nbsp;</o:p></span></p>
4<p class=MsoNormal style='margin-left:. Now create a new folder called /vz/template/centos/55in'><span style='font-size:10.00pt;font-family:"Courier New"'>[main]<o:p></o:p><ARCH/span></config again where <ARCHp> represents the system architecture.5. Create a file in the folder called rpm and add the following line:
43<p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>cachedir</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'>=/vz/template/centos/5.0/&lt;ARCH&gt;/yum-cache/<o:p></o:p></span></p>
6<p class=MsoNormal style='margin-left:. Create a file called yum5in'><span class=SpellE><spanstyle='font-size:10.conf in the folder and add the following lines0pt;font-family:"Courier New"'>reposdir</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'>=/dev/null<o:p></o:p></span></p>
[main]cachedir<p class=MsoNormal style=/vz/template/centos/5'margin-left:.0/5in'><ARCHspan class=SpellE>/yum-cache/<spanreposdirstyle='font-size:10.0pt;font-family:"Courier New"'>installonlypkgs</devspan></nullspan><spaninstallonlypkgsstyle='font-size:10.0pt;font-family:"Courier New"'>=''<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>[centos5-base]<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>name=<span class=SpellE>CentOS </span> 5 - &lt;ARCH&gt;- Base<o:p></o:p></span><ARCH/p>  <p class=MsoNormal style='margin- Baseleft:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>baseurl</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'>=http://mirror.centos.org/centos/5/os/&lt;ARCH&gt;/<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>enabled=1<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>gpgcheck</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'>=1<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>[centos5-updates-released]<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>name=<span class=SpellE>CentOS</span> 5 - &lt;ARCH&gt;- Released Updates<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>baseurl</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'>=http://mirror.centos.org/centos/5/updates/&lt;ARCH&gt;/<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>enabled=1<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>gpgcheck</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'>=1<o:p></o:p></span></p> <ol style='margin-top:0in' start=7 type=1> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Copy <b style='mso-bidi-font-weight: normal'>/etc/vz/dists/centos-4.conf</b> to <b style='mso-bidi-font-weight: normal'>/etc/vz/dists/centos-5.0.conf</b>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Change to the <b style='mso-bidi-font-weight:normal'>/vz/private/50</b> folder and then run the command </span><span class=SpellE><span style='font-size:10.0pt; font-family:"Courier New"'>gunzip</span></span><span style='font-size: 10.0pt;font-family:"Courier New"'> –dc /vz/template/cache/centos-5.0-&lt;ARCH&gt;-&lt;DISTRO&gt;-<span class=SpellE>image.tar.gz</span> | tar –<span class=SpellE>xvf</span> –<b style='mso-bidi-font-weight:normal'> </b></span><span style='font-size: 10.0pt;font-family:Tahoma'>to unpack the base image to the folder.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Make sure you are in the <b style='mso-bidi-font-weight:normal'>/vz/private/50</b> folder.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Edit <b style='mso-bidi-font-weight: normal'>etc/shadow</b> and remove the replace the <b style='mso-bidi-font-weight: normal'>root</b> password with <b style='mso-bidi-font-weight:normal'>!!</b> instead of the hashed value.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Edit the <b style='mso-bidi-font-weight: normal'>etc/<span class=SpellE>inittab</span></b> file and comment out the lines that <span class=SpellE>respawn</span> <b style='mso-bidi-font-weight: normal'>/<span class=SpellE>sbin/mingetty</span></b> on <b style='mso-bidi-font-weight:normal'>tty1</b> through <b style='mso-bidi-font-weight: normal'>tty6</b>.<span style='mso-spacerun:yes'>  </span>Just put a <b style='mso-bidi-font-weight:normal'>#</b> at the beginning of the line.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Remove the <b style='mso-bidi-font-weight:normal'>etc/<span class=SpellE>mtab</span></b> file and then create a symbolic link by typing </span><span class=SpellE><span style='font-size:10.0pt;font-family:"Courier New"'>ln</span></span><span style='font-size:10.0pt;font-family:"Courier New"'> –s /proc/mounts etc/<span class=SpellE>mtab</span></span><span style='font-size:10.0pt;font-family: Tahoma'>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Remove all of the lines from <b style='mso-bidi-font-weight:normal'>etc/<span class=SpellE>fstab</span></b> except for the line that mounts <b style='mso-bidi-font-weight:normal'>/dev/pts</b>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Edit <b style='mso-bidi-font-weight: normal'>etc/<span class=SpellE>rc.d/rc.sysinit</span></b> and comment out the line that starts <b style='mso-bidi-font-weight:normal'>/<span class=SpellE>sbin/start_udev</span></b> by placing a <b style='mso-bidi-font-weight: normal'>#</b> at the beginning of the line.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Now create device nodes by typing:<o:p></o:p></span></li></ol> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>mknod</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'> dev/<span class=SpellE>ptmx</span>c 5 2<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>mkdir</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'> dev/pts<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'>/<span class=SpellE>sbin</span>/MAKEDEV –d/vz/private/50/dev <span class=SpellE>ttyp</span> <span class=SpellE>ptyp</span><o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>mknod</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'> dev/null c 1 3<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span class=SpellE><spanstyle='font-size:10.0pt;font-family:"Courier New"'>mknod</span></span><spanstyle='font-size:10.0pt;font-family:"Courier New"'> dev/<span class=SpellE>urandom</span>c 1 9<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <ol style='margin-top:0in' start=16 type=1> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Create the <span class=SpellE><b style='mso-bidi-font-weight:normal'>var</b></span><b style='mso-bidi-font-weight: normal'>/lock/rpm</b> folder.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>If you wish to disable IPv6, do the following:<o:p></o:p></span></li> <ol style='margin-top:0in' start=1 type=a> <li class=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>Edit <b style='mso-bidi-font-weight: normal'>etc/<span class=SpellE>sysconfig</span>/network</b> and set <b style='mso-bidi-font-weight:normal'>NETWORKING_IPV6</b> to <b style='mso-bidi-font-weight:normal'>no</b>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>Add the following lines to <b style='mso-bidi-font-weight:normal'>etc/<span class=SpellE>modprobe.d</span>/blacklist</b>:<o:p></o:p></span></li> </ol></ol> <p class=MsoNormal style='margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <p class=MsoNormal style='margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Courier New"'>blacklist ipv6<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Courier New"'>blacklist net-pf-10<o:p></o:p></span></p> <p class=MsoNormal style='margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p>&nbsp;</o:p></span></p> <ol style='margin-top:0in' start=18 type=1> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Disable any physical <span class=SpellE>NICs</span> by modifying the <span class=SpellE><b style='mso-bidi-font-weight:normal'>etc/sysconfig/network-scripts/ifcfg-ethX</b></span> files (where <b style='mso-bidi-font-weight:normal'>X</b> is the interface number starting from <b style='mso-bidi-font-weight:normal'>0</b>) and setting <b style='mso-bidi-font-weight:normal'>ONBOOT</b> to <b style='mso-bidi-font-weight:normal'>no</b>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Now you’re ready to start the template.<span style='mso-spacerun:yes'>  </span>Type </span><span class=SpellE><span style='font-size:10.0pt;font-family:"Courier New"'>vzctl</span></span><span style='font-size:10.0pt;font-family:"Courier New"'> start 50</span><span style='font-size:10.0pt;font-family:Tahoma'> and wait for it to start.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>You can install additional packages into the VPS by typing</span><span style='font-size:10.0pt; font-family:"Courier New"'> <span class=SpellE>vzyum</span> 50 install &lt;package&gt;</span><span style='font-size:10.0pt;font-family:Tahoma'> at the prompt where <b style='mso-bidi-font-weight:normal'>&lt;package&gt;</b> represents the name of the software package you wish to install.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Finally, you should turn off unnecessary services.<o:p></o:p></span></li> <ol style='margin-top:0in' start=1 type=a> <li class=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>Enter the VPS by typing </span><span class=SpellE><span style='font-size:10.0pt;font-family:"Courier New"'>vzctl</span></span><span style='font-size:10.0pt;font-family:"Courier New"'> enter 50</span><span style='font-size:10.0pt;font-family:Tahoma'>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>View the services that are set to run at startup by typing </span><span class=SpellE><span style='font-size:10.0pt;font-family:"Courier New"'>chkconfig</span></span><span style='font-size:10.0pt;font-family:"Courier New"'> --list | <span class=SpellE>grep</span> 5:on</span><span style='font-size:10.0pt; font-family:Tahoma'>.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level2 lfo1;tab-stops:list 1.0in'><span style='font-size:10.0pt;font-family:Tahoma'>Disable any unwanted service by typing </span><span class=SpellE><span style='font-size:10.0pt; font-family:"Courier New"'>chkconfig</span></span><span style='font-size: 10.0pt;font-family:"Courier New"'> --levels 2345 &lt;service&gt; off</span><span style='font-size:10.0pt;font-family:Tahoma'> where <b style='mso-bidi-font-weight: normal'>&lt;service&gt;</b> represents the service to disable.<o:p></o:p></span></li> </ol></ol> <p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:Tahoma'>Services that you can (and should) turn off without harmare <span class=SpellE><b style='mso-bidi-font-weight:normal'>acpid</b></span>,<span class=SpellE><b style='mso-bidi-font-weight:normal'>apmd</b></span>, <bstyle='mso-bidi-font-weight:normal'>kudzu</b>, and <span class=SpellE><bstyle='mso-bidi-font-weight:normal'>microcode_ctl</b></span>.<o:p></o:p></span></p> <ol style='margin-top:0in' start=22 type=1> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Exit the VPS by typing </span><span style='font-size:10.0pt;font-family:"Courier New"'>exit</span><span style='font-size:10.0pt;font-family:Tahoma'> at the prompt.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Stop the VPS by typing <span class=SpellE>vzctl</span> stop 50.<o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>Finally, package up the new template by typing </span><span style='font-size:10.0pt;font-family:"Courier New"'>tar –<span class=SpellE>czvf</span> /vz/template/cache/centos-5.0-&lt;ARCH&gt;-&lt;DISTRO&gt;.<span class=SpellE>tar.gz</span> .</span><span style='font-size:10.0pt; font-family:Tahoma'><o:p></o:p></span></li> <li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list .5in'><span style='font-size:10.0pt;font-family:Tahoma'>The template is ready for use.<o:p></o:p></span></li></ol>
[centos5-updates-released]name<p class=CentOS 5 - <ARCHMsoNormal> - Released Updatesbaseurl=http://mirror.centos.org/centos/5/updates/<ARCH>/enabledspan style=1gpgcheck=17. Copy /etc/vz/dists/centos'font-4size:10.conf to /etc/vz/dists/centos-5.0.conf.8. Change to the /vz/private/50 folder and then run the command gunzip –dc /vz/template/cache/centos-5.00pt;font-family:Tahoma'><ARCHo:p>-&nbsp;<DISTRO/o:p>-image.tar.gz | tar –xvf – to unpack the base image to the folder.9. Make sure you are in the </vzspan></private/50 folder.10. Edit etc/shadow and remove the replace the root password with !! instead of the hashed value.11. Edit the etc/inittab file and comment out the lines that respawn /sbin/mingetty on tty1 through tty6. Just put a # at the beginning of the line.12. Remove the etc/mtab file and then create a symbolic link by typing ln –s /proc/mounts etc/mtab.13. Remove all of the lines from etc/fstab except for the line that mounts /dev/pts.14. Edit etc/rc.d/rc.sysinit and comment out the line that starts /sbin/start_udev by placing a # at the beginning of the line.15. Now create device nodes by typing:p>
mknod dev/ptmx c 5 2<p class=MsoNormal style='margin-left:.75in;text-indent:-.25in'><spanmkdir dev/pts/sbin/MAKEDEV –d /vzstyle='font-size:10.0pt;font-family:Tahoma'><o:p>&nbsp;</privateo:p></50/dev ttyp ptypmknod dev/null c 1 3mknod devspan></urandom c 1 9p>
16. Create the var</lock/rpm folder.17. If you wish to disable IPv6, do the following:a. Edit etc/sysconfig/network and set NETWORKING_IPV6 to no.b. Add the following lines to etc/modprobe.d/blacklist:div>
blacklist ipv6blacklist net-pf-10</body>
18. Disable any physical NICs by modifying the etc/sysconfig/network-scripts/ifcfg-ethX files (where X is the interface number starting from 0) and setting ONBOOT to no.19. Now you’re ready to start the template. Type vzctl start 50 and wait for it to start.20. You can install additional packages into the VPS by typing vzyum 50 install <package> at the prompt where <package> represents the name of the software package you wish to install.21. Finally, you should turn off unnecessary services.a. Enter the VPS by typing vzctl enter 50.b. View the services that are set to run at startup by typing chkconfig --list | grep 5:on.c. Disable any unwanted service by typing chkconfig --levels 2345 <service> off where <service> represents the service to disable.Services that you can (and should) turn off without harm are acpid, apmd, kudzu, and microcode_ctl.22. Exit the VPS by typing exit at the prompt.23. Stop the VPS by typing vzctl stop 50.24. Finally, package up the new template by typing tar –czvf /vz/template/cache/centos-5.0-<ARCH>-<DISTROhtml>.tar.gz .25. The template is ready for use.
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