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2.4.

2.4.1. 
复制链接

2.4.1.1. 
复制链接

注意

2.4.1.2. 
复制链接

注意

注意

  3. View larger image

    [D]

注意

2.4.1.3. 
复制链接

  3. View larger image

    [D]

2.4.1.4. 
复制链接

重要

  2. 注意

2.4.2. 
复制链接

  • # virt-viewer guest-name
    Copy to Clipboard Toggle word wrap 

  • # virt-viewer --direct --connect qemu+ssh://root@192.0.2.1/system guest-name
root@192.0.2.1's password:
    Copy to Clipboard Toggle word wrap

2.4.3. 
复制链接

    1. # yum install libvirt-nss
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    2. ...
passwd:      compat
shadow:      compat
group:       compat
hosts:       files libvirt_guest dns
...
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  1. # ssh root@192.0.2.1
root@192.0.2.1's password:
Last login: Mon Sep 24 12:05:36 2021
root~#
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  2. # ssh root@testguest1
root@testguest1's password:
Last login: Wed Sep 12 12:05:36 2018
root~]#
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  • # virsh list --all
Id    Name                           State
----------------------------------------------------
2     testguest1                    running
-     testguest2                    shut off
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2.4.4. 
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  • $ sudo grep GRUB_TERMINAL /etc/default/grub
GRUB_TERMINAL=serial
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  • # virsh dumpxml vm-name | grep console

<console type='pty' tty='/dev/pts/2'>
</console>
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    • 注意

      # cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.10.0-948.el7.x86_64 root=/dev/mapper/rhel-root ro console=tty0 console=ttyS0,9600n8 rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb
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      1. # grubby --update-kernel=ALL --args="console=ttyS0"
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      2. # grub2-editenv - unset kernelopts
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  • # systemctl status serial-getty@ttyS0.service

○ serial-getty@ttyS0.service - Serial Getty on ttyS0
     Loaded: loaded (/usr/lib/systemd/system/serial-getty@.service; enabled; preset: enabled)
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  1. # virsh console guest1 --safe
Connected to domain 'guest1'
Escape character is ^]

Subscription-name
Kernel 3.10.0-948.el7.x86_64 on an x86_64

localhost login:
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2.4.5. 
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# virsh -c qemu+ssh://root@192.0.2.1/system list
root@192.0.2.1's password:

Id   Name              State
---------------------------------
1    remote-guest      running
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# virsh -c remote-host list
root@192.0.2.1's password:

Id   Name              State
---------------------------------
1    remote-guest      running
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  1. # vi ~/.ssh/config
Host example-host-alias
  User                    root
  Hostname                192.0.2.1
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  2. # vi /etc/libvirt/libvirt.conf
uri_aliases = [
  "example-qemu-host-alias=qemu+ssh://example-host-alias/system",
]
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  1. # virsh -c example-qemu-host-alias list

root@192.0.2.1's password:

Id   Name                       State
----------------------------------------
1    example-remote-guest      running
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    注意

  • # These can be used in cases when no URI is supplied by the application
# (@uri_default also prevents probing of the hypervisor driver).
#
uri_default = "example-qemu-host-alias"
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    $ virsh list
root@192.0.2.1's password:

Id   Name              State
---------------------------------
1   example-remote-guest      running
    Copy to Clipboard Toggle word wrap

2.4.6. 
复制链接

重要

  • # virsh dumpxml <vm-name> | grep graphics

 <graphics type='vnc' ports='-1' autoport=yes listen=127.0.0.1>
 </graphics>
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  1. # virsh edit <vm-name>
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  2.  <graphics type='vnc' ports='-1' autoport=yes listen=127.0.0.1 passwd='<password>'>
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    •  <graphics type='vnc' ports='-1' autoport=yes listen=127.0.0.1 passwd='<password>' passwdValidTo='2025-02-01T15:30:00'>
      Copy to Clipboard Toggle word wrap 

  1. # virsh start <vm-name>
    Copy to Clipboard Toggle word wrap 

  2. # virt-viewer <vm-name>
    Copy to Clipboard Toggle word wrap

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