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Operations
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| This is the example of operating OpenVZ. There are many commands for it and I introduce some of them that we often need to. |
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| [1] | Start/Stop/Rstart VPS ( ID is 101 ) |
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[root@ns ~]# vzctl start 101 # start VPS Starting VE ... VE is mounted Adding IP address(es): 192.168.0.18 Setting CPU units: 1000 Set hostname: www.server-linux.info File resolv.conf was modified VE start in progress... [root@ns ~]# vzctl stop 101 # stop VPS Stopping VE ... VE was stopped VE is unmounted [root@ns ~]# vzctl restart 101 # restart VPS Restarting VE Stopping VE ... VE was stopped VE is unmounted Starting VE ... VE is mounted Adding IP address(es): 192.168.0.106 Setting CPU units: 1000 Set hostname: www.server-linux.info File resolv.conf was modified VE start in progress... |
| [2] | Switch console to VPS ( ID is 101 ) |
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[root@ns ~]# vzctl enter 101 # switch to 101 entered into VE 101 [root@www /]# [root@www /]# exit # back to HostOS exited from VE 101 [root@ns ~]# |
| [3] | Display list of VPS ( display all if input the command with -a option ) |
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[root@ns ~]# vzlist # show list VEID NPROC STATUS IP_ADDR HOSTNAME 101 2 running 192.168.0.18 www.server-linux.info [root@ns ~]# vzlist -a # show list all VEID NPROC STATUS IP_ADDR HOSTNAME 101 2 running 192.168.0.18 www.server-linux.info 102 - stopped 192.168.0.19 mail.server-linux.info
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| [4] | Remove VPS ( ID is 101 ) |
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[root@ns ~]# vzctl stop 101 # stop first Stopping VE ... VE was stopped VE is unmounted [root@ns ~]# vzctl destroy 101 # remove Destroying VE private area: /vz/private/101 VE private area was destroyed |
| [5] | Display resources of VPS ( ID is 101 ) |
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[root@ns ~]# vzcalc -v 101 # show resources Resource Current(%) Promised(%) Max(%) Low Mem 0.04 1.24 1.24 Total RAM 0.03 n/a n/a Mem + Swap 0.01 0.26 n/a Alloc. Mem 0.01 0.26 1.99 Num. Proc 0.00 n/a 0.10 ----------------------------------------------------------- Memory 0.04 1.24 1.99
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| [6] | Ececute a command to VPS ( ID is 101 ). (it's possible to execute it in VPS with normal command ) |
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[root@ns ~]# vzctl exec 101 df -m # execute df on 101 Filesystem 1M-blocks Used Available Use% simfs 1024 149 876 15%
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| [7] | Install or Update with yum to VPS ( IS is 101 ). (it's possible to execute it in VPS with normal command ) |
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# execute update on 101 [root@ns ~]# vzyum 101 -y update # install package with yum on 101 [root@ns ~]# vzyum 101 -y install package # install package with rpm on 101 [root@ns ~]# vzrpm 101 -Uvh package
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