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<div id="content"> <span id="top"></span> <span id="installation-on-centos"></span> = Installation on CentOS = <div id="bodyContent"> <span id="siteSub"></span> === From Linux-VServer === <div id="contentSub"> </div> <div id="jump-to-nav"> Jump to: [[#column-one|navigation]], [[#searchInput|search]] </div> {| id="toc" class="wikitable toc" summary="Contents" |- | <div id="toctitle"> <span id="contents"></span> == Contents == </div> * [[#Install_CentOS_5|<span class="tocnumber">1</span> <span class="toctext">Install CentOS 5</span>]] * [[#Add_the_repository|<span class="tocnumber">2</span> <span class="toctext">Add the repository</span>]] * [[#Install_the_kernel|<span class="tocnumber">3</span> <span class="toctext">Install the kernel</span>]] * [[#Install_util-vserver|<span class="tocnumber">4</span> <span class="toctext">Install util-vserver</span>]] * [[#Post_installation_steps|<span class="tocnumber">5</span> <span class="toctext">Post installation steps</span>]] * [[#Install_a_guest|<span class="tocnumber">6</span> <span class="toctext">Install a guest</span>]] |} <span id="Install_CentOS_5"></span> <span id="edit-install-centos-5"></span> == <span class="editsection">[<nowiki/>[[index.php?title=Installation_on_CentOS&action=edit§ion=1|edit]]]</span> <span class="mw-headline"> Install CentOS 5 </span> == My CentOS 5 installation is a DVD install with only the "Desktop - GNOME" group selected. On restart, a number of questions (timezone/security level/etc) are asked. At this stage set the "SELinux" option to disabled. If you skip this step, then simply modify the /etc/sysconfig/selinux file and disable selinux from there. You will need to reboot before this takes effect, but its okay to wait until you have installed the kernel before doing this (just to save some time :) <span id="Add_the_repository"></span> <span id="edit-add-the-repository"></span> == <span class="editsection">[<nowiki/>[[index.php?title=Installation_on_CentOS&action=edit§ion=2|edit]]]</span> <span class="mw-headline"> Add the repository </span> == In order to install the necessary packages, you will have to add the repository containing them to your yum configuration. Paste the following in /etc/yum.repos.d/dhozac-vserver.repo <pre>[dhozac-vserver] name=Linux-VServer related packages for CentOS $releasever - $basearch baseurl=http://rpm.hozac.com/dhozac/centos/$releasever/vserver/$basearch gpgkey=http://rpm.hozac.com/conf/keys/RPM-DHOZAC-GPG-KEY</pre> <span id="Install_the_kernel"></span> <span id="edit-install-the-kernel"></span> == <span class="editsection">[<nowiki/>[[index.php?title=Installation_on_CentOS&action=edit§ion=3|edit]]]</span> <span class="mw-headline"> Install the kernel </span> == To install the kernel, run <pre>yum install kernel</pre> Double check the grub file to make sure it is the bootable kernel (/boot/grub/grub.conf). If all is okay we are ready to restart the server. At this stage (before the reboot) I also modify the hosts sshd config file, so it doesn't listen to every interface on the server. This blocks any guests attempt to run sshd. <pre>vi /etc/ssh/sshd_config</pre> and add the line "ListenAddress 192.168.0.1" <span id="Install_util-vserver"></span> <span id="edit-install-util-vserver"></span> == <span class="editsection">[<nowiki/>[[index.php?title=Installation_on_CentOS&action=edit§ion=4|edit]]]</span> <span class="mw-headline"> Install util-vserver </span> == To install util-vserver, run <pre>yum install util-vserver{,-core,-lib,-sysv,-build}</pre> <span id="Post_installation_steps"></span> <span id="edit-post-installation-steps"></span> == <span class="editsection">[<nowiki/>[[index.php?title=Installation_on_CentOS&action=edit§ion=5|edit]]]</span> <span class="mw-headline"> Post installation steps </span> == Make certain /proc entries visible <pre>/etc/init.d/vprocunhide start</pre> <span id="Install_a_guest"></span> <span id="edit-install-a-guest"></span> == <span class="editsection">[<nowiki/>[[index.php?title=Installation_on_CentOS&action=edit§ion=6|edit]]]</span> <span class="mw-headline"> Install a guest </span> == As root, try the following to test your installation (this example installs a CentOS 5 guest) <pre>vserver testing01 build -m yum --context 4040 --hostname=test01.test.loc \ --interface eth0=eth0:192.168.101.101/255.255.0.0 -- -d centos5</pre> yum will install the minimal packages now. If you see something like <pre> /usr/lib/util-vserver/distributions/centos5/initpost: line 105: 3587 Killed $_VSERVER "$vserver" exec bash -c ': >/tmp/startwait' >&/dev/null</pre> Don't worry, it's okay. At this point you should be able to start and enter your vserver install. To start the guest do, <pre>vserver testing01 start</pre> And to enter the guest, do <pre>vserver testing01 enter</pre> If you want to manage the packages inside the guest, you will have to install some package management programs as well as internalize the RPM database. This can be achieved by <pre>vyum testing01 -- install yum vserver testing01 pkgmgmt internalize</pre> Depending on your host distribution, you may also need to do <pre>vserver testing01 exec bash -c "rm -f /var/lib/rpm/__db*; rpm --rebuilddb"</pre> You'll know it's required if a simple ''rpm -qa'' inside the guest complains about a database version mismatch. To get back to the host, just exit the shell. If all goes well you now have a working setup :) <div class="printfooter"> Retrieved from "http://wiki.linux-vserver.org/Installation_on_CentOS" </div> <div class="visualClear"> </div> </div> </div>
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