Difference between revisions of "Creating a CentOS 6 Template"
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This guide requires that you already have a CentOS 6 - If you do not have CentOS 6 installed, do it in KVM or VirtualBox or whatever you want. | This guide requires that you already have a CentOS 6 - If you do not have CentOS 6 installed, do it in KVM or VirtualBox or whatever you want. | ||
| − | At a CentOS 6 host as root do: | + | At a CentOS 6 host as root do: |
| − | yum install yum-utils | + | yum install yum-utils |
| − | yumdownloader centos-release.x86_64 | + | yumdownloader centos-release.x86_64 |
| − | mkdir -p /newroot/var/lib | + | mkdir -p /newroot/var/lib |
| − | touch /newroot/var/lib/random-seed #without it, the initscript installation script will fail | + | touch /newroot/var/lib/random-seed #without it, the initscript installation script will fail |
| − | rpm --rebuilddb --root=/newroot | + | rpm --rebuilddb --root=/newroot |
| − | rpm -i --root=/newroot --nodeps centos-release-6-3.el6.centos.9.x86_64.rpm | + | rpm -i --root=/newroot --nodeps centos-release-6-3.el6.centos.9.x86_64.rpm |
| − | yum --installroot=/newroot install -y openssh-clients openssh-server yum yum-utils man wget sudo tar passwd | + | yum --installroot=/newroot install -y openssh-clients openssh-server yum yum-utils man wget sudo tar passwd |
| − | yum --installroot=/newroot clean all | + | yum --installroot=/newroot clean all |
| − | ln -s /proc/mounts /newroot/etc/mtab | + | ln -s /proc/mounts /newroot/etc/mtab |
| − | rm -f /newroot/dev/null | + | rm -f /newroot/dev/null |
mknod -m 600 /newroot/dev/console c 5 1 | mknod -m 600 /newroot/dev/console c 5 1 | ||
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Create /newroot/etc/fstab that looks like this: | Create /newroot/etc/fstab that looks like this: | ||
none /dev/pts devpts rw,gid=5,mode=620 0 0 | none /dev/pts devpts rw,gid=5,mode=620 0 0 | ||
Revision as of 12:34, 24 October 2012
This guide requires that you already have a CentOS 6 - If you do not have CentOS 6 installed, do it in KVM or VirtualBox or whatever you want.
At a CentOS 6 host as root do:
yum install yum-utils yumdownloader centos-release.x86_64 mkdir -p /newroot/var/lib touch /newroot/var/lib/random-seed #without it, the initscript installation script will fail rpm --rebuilddb --root=/newroot rpm -i --root=/newroot --nodeps centos-release-6-3.el6.centos.9.x86_64.rpm yum --installroot=/newroot install -y openssh-clients openssh-server yum yum-utils man wget sudo tar passwd yum --installroot=/newroot clean all ln -s /proc/mounts /newroot/etc/mtab rm -f /newroot/dev/null mknod -m 600 /newroot/dev/console c 5 1
Create /newroot/etc/fstab that looks like this:
none /dev/pts devpts rw,gid=5,mode=620 0 0 none /dev/shm tmpfs defaults 0 0
Edit /newroot/etc/sysconfig/init Change the line
ACTIVE_CONSOLES=/dev/tty[1-6]
to
ACTIVE_CONSOLES=
Change timezone (if needed)
rm /newroot/etc/localtime
ln -s /usr/share/zoneinfo/Your/Timezone /newroot/etc/localtime
The only thing missing is to create a tarball of our new root.
tar zcf /vz/template/cache/centos-6-x86_64.tar.gz -C /newroot .
You probably want to get rid of /newroot
rm -rf /newroot
And you are done!
