Editing Centos Upgrade 4.x to 5.x
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follow these steps: | follow these steps: | ||
| − | == | + | ==Create a container using centos-4-i386-minimal and set a valid nameserver== |
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| − | Create a container using centos-4-i386-minimal and set a valid nameserver | ||
<pre> | <pre> | ||
vzctl create $CTID --ostemplate centos-4-i386-minimal --config CONFIG_TEMPLATE --ipadd container_IP --hostname temp | vzctl create $CTID --ostemplate centos-4-i386-minimal --config CONFIG_TEMPLATE --ipadd container_IP --hostname temp | ||
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</pre> | </pre> | ||
| + | == Enter container == | ||
| + | <pre> | ||
| + | vzctl enter $CTID | ||
| + | </pre> | ||
==Install centos-5-release packages== | ==Install centos-5-release packages== | ||
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| + | rpm -Uvh http://mirror.centos.org/centos/5/os/i386/CentOS/centos-release-notes-5.6-0.i386.rpm \ | ||
| + | http://mirror.centos.org/centos/5/os/i386/CentOS/centos-release-5-6.el5.centos.i386.rpm | ||
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| + | Note: centos-release-5 depends on notes-package, start with that one. | ||
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| + | ==Backup your /dev/, since initscripts need udev and will remove vzdev you'll net the backup== | ||
<pre> | <pre> | ||
| − | + | tar -cf dev.tar ./dev | |
</pre> | </pre> | ||
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| − | + | ==Install initscripts package (forced and with no deps)== | |
<pre> | <pre> | ||
| − | + | rpm -Uvh http://mirror.centos.org/centos/5/os/i386/CentOS/initscripts-8.45.33-1.el5.centos.i386.rpm --force --nodeps | |
</pre> | </pre> | ||
| − | + | Note: If the "transfer failed", go to the [http://mirror.centos.org/centos/5/os/i386/CentOS/ CentOS5 mirror] and find the latest initscripts rpm and use that instead. | |
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| + | ==Exit from container== | ||
<pre> | <pre> | ||
| − | + | exit | |
</pre> | </pre> | ||
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==Update conf file== | ==Update conf file== | ||
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Alternatively, use the 'sed' command to replace it: | Alternatively, use the 'sed' command to replace it: | ||
| − | < | + | <code> |
| − | sed -i 's#OSTEMPLATE="centos-4#OSTEMPLATE="centos-5#g' /etc/vz/conf/$ | + | sed -i 's#OSTEMPLATE="centos-4#OSTEMPLATE="centos-5#g' /etc/vz/conf/$CSID.conf |
| − | </ | + | </code> |
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| + | ==Copy existing template from== | ||
<pre> | <pre> | ||
/vz/template/centos/4 | /vz/template/centos/4 | ||
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</pre> | </pre> | ||
| − | == | + | ==In /vz/template/centos/4/i386/config/yum.conf change mirrors to CentOS 5== |
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| − | In /vz/template/centos/ | ||
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| − | == | ||
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| − | + | ==Upgrade container packages using vzyum (32bit only)== | |
<pre> | <pre> | ||
vzyum $CTID upgrade | vzyum $CTID upgrade | ||
</pre> | </pre> | ||
| + | Note: If yum db-version complains do "rm /vz/root/VZNUM/var/lib/rpm/__*" to delete conflicting db. | ||
| − | === | + | ==Stop your VE== |
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<pre> | <pre> | ||
| − | + | vzctl stop $CTID | |
</pre> | </pre> | ||
| − | + | ==Replace the new /dev/ with the old one== | |
<pre> | <pre> | ||
| − | + | cd /vz/private/$CTID | |
| − | + | rm -rf dev | |
| + | tar -xvf dev.tar | ||
</pre> | </pre> | ||
| − | + | ==Leave the container private dir (or it will not start)== | |
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<pre> | <pre> | ||
| − | + | cd | |
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</pre> | </pre> | ||
| − | == | + | ==Start the container== |
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<pre> | <pre> | ||
| − | vzctl | + | vzctl start $CTID |
</pre> | </pre> | ||
| − | + | ==Remove container IP== | |
<pre> | <pre> | ||
| − | + | vzctl set $CTID --ipdel all --save | |
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</pre> | </pre> | ||
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| − | ==Stop | + | ==Stop container== |
<pre> | <pre> | ||
vzctl stop $CTID | vzctl stop $CTID | ||
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</pre> | </pre> | ||
