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Installing an openSUSE vserver guest
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Installing and running openSUSE (previously knows as SUSE Linux) as a vserver guest. __TOC__ ==Test configuration== Host: * Debian Etch AMD64, Kernel 2.6.15.4-vs2.0.2-rc9, util-vserver 0.30.210 + similar patch, or * Debian Etch AMD64, 2.6.18-4-vserver-amd64, util-vserver 0.30.212-1 + patch (see below) Guest: * SLES 9, or * openSUSE 10.2 ==Running openSUSE vservers on a Debian server== ===Installation=== Debian is lacking the required rpm tools to install an openSUSE or SLES system directly via vserver build (the required apt-rpm is available in source only for apt-0.5.xx, and Debian is already at 0.6.xx). Therefore, use the normal openSUSE installation procedure and then copy the system to a vserver directory: * Install openSUSE on raw metal or in a virtual machine (such as [http://www.virtualbox.org/ VirtualBox]). * Boot from CD (openSUSE or Debian - whatever you prefer), or just boot into the OS and log in as root. * tar the whole system, copy it to the vserver host and untar it to the desired vserver location, usually <code>/var/lib/vservers/<servername></code> * Create <code>/etc/vservers/<servername></code> manually, or copy it from another vserver. ===Post install cleanup=== * remove some startup service, either delete the appropriate /etc/init.d/.... links or run the following from inside the vserver: # chkconfig -d -f boot.swap boot.isapnp boot.idedma boot.loadmodules \ boot.device-mapper boot.md boot.proc boot.shm boot.sched \ boot.rootfsck hotplug boot.localfs boot.crypto boot.clock \ boot.scpm boot.ipconfig # chkconfig -d -f coldplug irq_balancer random network fbset powersaved kbd hwscan * remove unneeded packages: # rpm -e irqbalance kernel-smp grub reiserfs xfsprogs raidtools ntfsprogs \ module-init-tools mkinitrd powersave hotplug mdadm '''Note:''' there are a number of redundant packages remaining that can not be removed due to yast2 depending on them. ===initscripts=== openSUSE's <code>/etc/init.d/rc</code> expects two environment variables: <code>RUNLEVEL</code> and <code>PREVLEVEL</code>. The vserver.start script fails to set those. There are a couple workarounds: * Edit <code>/etc/init.d/rc</code> to set those values (not recommended (why?)). For example, inserting these lines near the top of the file: PREVLEVEL="N" RUNLEVEL="$1" * Apply the following patch to <code>vserver.start</code> to set the values: --- vserver.start,orig 2006-12-09 12:37:58.000000000 -0700 +++ vserver.start 2007-06-11 12:27:27.000000000 -0600 @@ -141,7 +141,7 @@ $_VUNAME --xid self --set -t context="$VSERVER_DIR" -- \ $_VATTRIBUTE --set "${OPTS_VATTRIBUTE[@]}" -- \ $_SAVE_CTXINFO "$VSERVER_DIR" \ - $_ENV -i "${OPTS_ENV[@]}" \ + $_ENV -i "${OPTS_ENV[@]}" PREVLEVEL="N" RUNLEVEL="$RUNLEVEL_START" \ $_VCONTEXT --migrate-self --endsetup --chroot $SILENT_OPT \ "${OPTS_VCONTEXT_MIGRATE[@]}" "${OPTS_VCONTEXT_ENTER[@]}" -- \ "${INITCMD_START[@]}" @@ -157,7 +157,7 @@ $_EXEC_ULIMIT "$VSERVER_DIR/ulimits" \ $_CHCONTEXT_COMPAT "${CHCONTEXT_OPTS[@]}" "${CHCONTEXT_INIT_OPTS[@]}" \ $_SAVE_CTXINFO "$VSERVER_DIR" \ - $_ENV -i "${OPTS_ENV[@]}" \ + $_ENV -i "${OPTS_ENV[@]}" PREVLEVEL="N" RUNLEVEL="$RUNLEVEL_START" \ $_CHAINECHO "${_IS_FAKEINIT:+$startsync_pipe}" "" \ $_CAPCHROOT "${CAPCHROOT_OPTS[@]}" . \ "${INITCMD_START[@]}" '''edit me:''' do we need to modify the <code>vserver.stop</code> script as well? [[Category:OS guest under linux-vserver]]
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