Difference between revisions of "util-vserver:Howto virtualize an exisiting Linux server"
From Linux-VServer
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rm -rf /vservers/yourguest/* | rm -rf /vservers/yourguest/* | ||
* Copy your old server to the previous folder | * Copy your old server to the previous folder | ||
| − | rsync - | + | rsync -av --numeric-ids --progress --partial --exclude '/proc/*' yourguest:/ /vservers/yourguest/ |
| − | + | ||
| − | + | ''Why yourguest:/ shouldn't that be / ?'' | |
| + | Answer: You're now on the host server about to copy an existing installation on another hardware. | ||
| + | |||
guest on the host, not the guest. | guest on the host, not the guest. | ||
* Remove the fstab | * Remove the fstab | ||
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rm /vservers/yourguest/etc/rc.d/init.d/..... | rm /vservers/yourguest/etc/rc.d/init.d/..... | ||
''What are the troubled services? What is the minimal setup to make it work?'' | ''What are the troubled services? What is the minimal setup to make it work?'' | ||
| + | Answer: Any hardware related services will be troubled and should be removed. | ||
* Disable Pam authentification for ssh access | * Disable Pam authentification for ssh access | ||
edit /vservers/yourguest/etc/ssh/sshd_config -> (UsePAM no) | edit /vservers/yourguest/etc/ssh/sshd_config -> (UsePAM no) | ||
| Line 22: | Line 25: | ||
rm /etc/modprobe.conf | rm /etc/modprobe.conf | ||
''Do you mean editing modprobe.conf? Why delete the file?'' | ''Do you mean editing modprobe.conf? Why delete the file?'' | ||
| + | Answer: Probing modules make no sense in a virtual environment. | ||
* Start your vserver ! | * Start your vserver ! | ||
vserver yourguest start | vserver yourguest start | ||
| + | |||
| + | [[Category:OS guest under linux-vserver]] | ||
| + | [[Category:Configuration]] | ||
| + | [[Category:Migration]] | ||
Latest revision as of 22:22, 21 October 2011
[edit] Virtualize CentOS4
- Create a regular guest
vserver yourguest build ...
- Empty the just created guest
rm -rf /vservers/yourguest/*
- Copy your old server to the previous folder
rsync -av --numeric-ids --progress --partial --exclude '/proc/*' yourguest:/ /vservers/yourguest/
Why yourguest:/ shouldn't that be / ? Answer: You're now on the host server about to copy an existing installation on another hardware.
guest on the host, not the guest.
- Remove the fstab
rm /vservers/yourguest/etc/fstab
- Remove the services that makes troubles at start
rm /vservers/yourguest/etc/rc.d/init.d/network rm /vservers/yourguest/etc/rc.d/init.d/..... What are the troubled services? What is the minimal setup to make it work? Answer: Any hardware related services will be troubled and should be removed.
- Disable Pam authentification for ssh access
edit /vservers/yourguest/etc/ssh/sshd_config -> (UsePAM no) replace # Listen with Listen yourguestip (this has to been done on the host too is your host ip)
- Remove the useless modules
rm /etc/modprobe.conf Do you mean editing modprobe.conf? Why delete the file? Answer: Probing modules make no sense in a virtual environment.
- Start your vserver !
vserver yourguest start
