Editing Creating OpenVZ LiveCD based on Centos 4.4
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This part contains detailed description of LiveCD creation. I've removed the output of some | This part contains detailed description of LiveCD creation. I've removed the output of some | ||
commands in order to simplify the reading. | commands in order to simplify the reading. | ||
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=== Creating booted LiveCD root filesystem === | === Creating booted LiveCD root filesystem === | ||
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# cd livecd-root | # cd livecd-root | ||
# mkdir dev | # mkdir dev | ||
| − | # cp -a /dev/* dev | + | # cp -a /dev/* root/dev |
# mkdir proc | # mkdir proc | ||
# mount -t proc proc proc/ | # mount -t proc proc proc/ | ||
| − | # mkdir sys | + | # mkdir root/sys |
# mount -t sysfs sysfs sys/ | # mount -t sysfs sysfs sys/ | ||
# mkdir tmp | # mkdir tmp | ||
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<tt>tetex</tt>, <tt>latex</tt>, <tt>k3b</tt> and printing related packages: | <tt>tetex</tt>, <tt>latex</tt>, <tt>k3b</tt> and printing related packages: | ||
<pre> | <pre> | ||
| − | # cp -r to_booted_livecd/ | + | # cp -r to_booted_livecd/ root/tmp/ |
| − | # chroot | + | # chroot root/ |
# rpm -e lksctp-tools-1.0.2-6.4E.1.i386 | # rpm -e lksctp-tools-1.0.2-6.4E.1.i386 | ||
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Clean it: | Clean it: | ||
<pre> | <pre> | ||
| − | # rm | + | # rm root/root/.bash_history |
</pre> | </pre> | ||
Here we have to make one step to workaround [[Checkpointing and live migration]] problem. The thing is that at the moment | Here we have to make one step to workaround [[Checkpointing and live migration]] problem. The thing is that at the moment | ||
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on this directory: | on this directory: | ||
<pre> | <pre> | ||
| − | mkdir | + | mkdir root/vz/private/ |
</pre> | </pre> | ||
At the moment vzquota doesn't support <tt>tmpfs</tt> ([http://bugzilla.openvz.org/show_bug.cgi?id=558 Bug #558]). | At the moment vzquota doesn't support <tt>tmpfs</tt> ([http://bugzilla.openvz.org/show_bug.cgi?id=558 Bug #558]). | ||
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# rm -f ovz-livecd/base/*.mo | # rm -f ovz-livecd/base/*.mo | ||
# for f in bin etc lib root sbin usr var vz; do \ | # for f in bin etc lib root sbin usr var vz; do \ | ||
| − | mksquashfs | + | mksquashfs root/$f ovz-livecd/base/$f.mo -keep-as-directory; \ |
done | done | ||
</pre> | </pre> | ||
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than 8 characters) to kernel image, otherwise <tt>isolinux</tt> will not see it. | than 8 characters) to kernel image, otherwise <tt>isolinux</tt> will not see it. | ||
<pre> | <pre> | ||
| − | # cp | + | # cp root/boot/vmlinuz-2.6.18-ovz028stab035.1-smp ovz-livecd/boot/ovz18 |
</pre> | </pre> | ||
Modify initrd image. More precisely, we need to add OpenVZ kernel modules there | Modify initrd image. More precisely, we need to add OpenVZ kernel modules there | ||
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Copy modules to initrd: | Copy modules to initrd: | ||
<pre> | <pre> | ||
| − | # cp -r ../ | + | # cp -r ../root/lib/modules/2.6.18-ovz028stab035.1-smp/ mount/lib/modules/ |
# rm -rf mount/lib/modules/2.6.18-ovz028stab035.1-smp/build # we don't neet it on initrd image | # rm -rf mount/lib/modules/2.6.18-ovz028stab035.1-smp/build # we don't neet it on initrd image | ||
</pre> | </pre> | ||
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# umount mount/ | # umount mount/ | ||
# gzip initrd | # gzip initrd | ||
| − | # cp initrd.gz ../ovz-livecd/boot/initrd.gz | + | # /bin/cp initrd.gz ../ovz-livecd/boot/initrd.gz |
# cd .. | # cd .. | ||
</pre> | </pre> | ||
