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                [TOC] ## kvm日常管理命令 ![表格說明](https://img2018.cnblogs.com/blog/1492776/201811/1492776-20181105195502089-1313480561.png) ### 開關機與查看 1. 列表顯示 `virsh list` 只會顯示運行中的列表 `virsh list --all` 顯示所有虛擬機列表 2. 開機start `virsh start centos7-mb ` 3. 關機shutdown `virsh shutdown centos7-mb` 4. 強制關機destroy `virsh destroy centos7-mb` 5. 查詢vnc端口號vncdisplay `virsh vncdisplay centos7-mb ` ### 配置管理 1. 存放位置 kvm創建的虛擬機,配置文件存放在目錄`/etc/libvirt/qemu/`中,配置文件以虛擬機+.xml結尾,如:`/etc/libvirt/qemu/ centos7-mb.xml` 2. 修改配置 edit `virsh edit centos7-mb ` 3. 導出配置 dumpxml `virsh dumpxml centos7-mb >/opt/centos7-mb.xml ` 4. 刪除鏡像/配置 undefine `virsh undefine centos7-mb ` > 如果要刪除虛擬機,建議先關機[`shutdown `或`destroy `],再刪除 > 此命令只會刪除配置文件,不會刪除實際鏡像,所以可以再導入備份的配置進行恢復 5. 導入配置define `virsh define /opt/centos7-mb.xml ` ### 鏡像管理 1. 重命名 domrename `virsh domrename centos7-mb c7-mb ` >只會修改列表顯示中的名字,不修改鏡像文件的名字 3. 掛起 suspend `virsh suspend c7-mb ` 4. 恢復 resume `virsh resume c7-mb ` 5. 開機啟動autostart `virsh autostart c7-mb` 開機啟動 `virsh autostart --disable c7-mb` 取消開機啟動 設置開機啟動后,`/etc/libvirt/qemu/autostart/`目錄下就會有一個軟連接 ```sh [root@kvm01 ~]# ll /etc/libvirt/qemu/autostart/ total 0 lrwxrwxrwx ....... c7-mb.xml -> /etc/libvirt/qemu/c7-mb.xml ```
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