Version 5 (modified by 15 years ago) ( diff ) | ,
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Install a vserver
In this example, we're creating a new server called jacobo on the physical server called ottorene. Change jacobo and ottorene to names relevant to your server.
- Create a disk (or disks) to be used by the vserver
lvcreate --name jacobo_root --size 1G vg_ottorene0
- Create a filesystem
mkfs -t ext3 /dev/mapper/vg_ottorene0-jacobo_root
- Add the new disk to fstab so it is mounted on boot
echo /dev/mapper/vg_ottorene0-jacobo_root /var/lib/vservers/jacobo ext3 defaults 0 2 >> /etc/fstab
- Make the target directory and mount it
mkdir /var/lib/vservers/jacobo mount /var/lib/vservers/jacobo
- Create the vserver. Replace the context number with a number unique to the server
vserver jacobo build -m debootstrap --context 201 --hostname jacobo --interface eth0:209.234.253.167/27 --initstyle plain -- -d lenny -m http://ftp.us.debian.org/debian -- --include less,psmisc,lsof,socat,emacs22-nox,emacs22-bin-common,emacs22-common,liblockfile1,emacsen-common,bsdmainutils,locales --keyring=/usr/share/keyrings/debian-archive-keyring.gpg
- Ensure that the server starts on boot
echo default > /etc/vservers/jacobo/apps/init/mark
- Manually start the vserver
vserver jacobo start
- Ensure that it started
vserver-stat
- Enter the vserver
vserver jacobo enter
Here's the output of a full session:
0 ottorene:~# lvcreate --name zimmerman_root --size 1G vg_ottorene0 Logical volume "zimmerman_root" created 0 ottorene:~# mkfs -t ext3 /dev/mapper/vg_ottorene0-zimmerman_root mke2fs 1.41.2 (02-Oct-2008) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 65536 inodes, 262144 blocks 13107 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=268435456 8 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376 Writing inode tables: done Creating journal (8192 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 23 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. 0 ottorene:~# echo /dev/mapper/vg_ottorene0-zimmerman_root /var/lib/vservers/zimmerman ext3 defaults 0 2 >> /etc/fstab 0 ottorene:~# mkdir /var/lib/vservers/zimmerman 0 ottorene:~# mount /var/lib/vservers/zimmerman 0 ottorene:~# vserver zimmerman build -m debootstrap --context 101 --hostname zimmerman --interface eth0:209.234.253.170/27 --initstyle plain -- -d lenny -m http://ftp.us.debian.org/debian -- --include less,psmisc,lsof,socat,emacs22-nox,emacs22-bin-common,emacs22-common,liblockfile1,emacsen-common,bsdmainutils,locales --keyring=/usr/share/keyrings/debian-archive-keyring.gpg 0 ottorene:~# vserver-stat CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME 0 ottorene:~# cat /etc/vservers/zimmerman/apps/init/mark cat: /etc/vservers/zimmerman/apps/init/mark: No such file or directory 1 ottorene:~# echo default > /etc/vservers/zimmerman/apps/init/mark 0 ottorene:~# vserver zimmerman start Mount failed for selinuxfs on /selinux: Operation not permitted 0 ottorene:~# vserver-stat CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME 101 4 122.8M 2M 0m00s32 0m00s24 0m20s17 zimmerman 0 ottorene:~# vserver zimmerman enter
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