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

[D]

注意

2.4.1.3.
复制链接

[D]

2.4.1.4.
复制链接

重要

注意

2.4.2.
复制链接

```
virt-viewer guest-name
```
```
# virt-viewer guest-name
```
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virt-viewer --direct --connect qemu+ssh://root@192.0.2.1/system guest-name
root@192.0.2.1's password:

# virt-viewer --direct --connect qemu+ssh://root@192.0.2.1/system guest-name
root@192.0.2.1's password:

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2.4.3.
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```
yum install libvirt-nss
```
```
# yum install libvirt-nss
```
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...
passwd:      compat
shadow:      compat
group:       compat
hosts:       files libvirt_guest dns
...

...
passwd:      compat
shadow:      compat
group:       compat
hosts:       files libvirt_guest dns
...

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ssh root@192.0.2.1
root@192.0.2.1's password:
Last login: Mon Sep 24 12:05:36 2021
root~#

# 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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ssh root@testguest1
root@testguest1's password:
Last login: Wed Sep 12 12:05:36 2018
root~]#

# 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

# 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

$ 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>

# 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

# 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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grubby --update-kernel=ALL --args="console=ttyS0"

# grubby --update-kernel=ALL --args="console=ttyS0"

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grub2-editenv - unset kernelopts

# 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)

# 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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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:

# 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

# 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

# virsh -c remote-host list
root@192.0.2.1's password:

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

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vi ~/.ssh/config
Host example-host-alias
  User                    root
  Hostname                192.0.2.1

# vi ~/.ssh/config
Host example-host-alias
  User                    root
  Hostname                192.0.2.1

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vi /etc/libvirt/libvirt.conf
uri_aliases = [
  "example-qemu-host-alias=qemu+ssh://example-host-alias/system",
]

# vi /etc/libvirt/libvirt.conf
uri_aliases = [
  "example-qemu-host-alias=qemu+ssh://example-host-alias/system",
]

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virsh -c example-qemu-host-alias list

root@192.0.2.1's password:

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

# 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"

# 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

$ virsh list
root@192.0.2.1's password:

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

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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>

# virsh dumpxml <vm-name> | grep graphics

 <graphics type='vnc' ports='-1' autoport=yes listen=127.0.0.1>
 </graphics>

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```
virsh edit <vm-name>
```
```
# virsh edit <vm-name>
```
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 <graphics type='vnc' ports='-1' autoport=yes listen=127.0.0.1 passwd='<password>'>

 <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'>

 <graphics type='vnc' ports='-1' autoport=yes listen=127.0.0.1 passwd='<password>' passwdValidTo='2025-02-01T15:30:00'>

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```
virsh start <vm-name>
```
```
# virsh start <vm-name>
```
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```
virt-viewer <vm-name>
```
```
# virt-viewer <vm-name>
```
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2.4.1.
复制链接

2.4.1.1.
复制链接

2.4.1.2.
复制链接

2.4.1.3.
复制链接

2.4.1.4.
复制链接

2.4.2.
复制链接

2.4.3.
复制链接

2.4.4.
复制链接

2.4.5.
复制链接

2.4.6.
复制链接

学习

尝试、购买和销售

社区

关于红帽文档

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關於紅帽

Theme

Red Hat legal and privacy links

Red Hat legal and privacy links

2.4.

2.4.1. 复制链接链接已复制到粘贴板!

2.4.1.1. 复制链接链接已复制到粘贴板!

2.4.1.2. 复制链接链接已复制到粘贴板!

2.4.1.3. 复制链接链接已复制到粘贴板!

2.4.1.4. 复制链接链接已复制到粘贴板!

2.4.2. 复制链接链接已复制到粘贴板!

2.4.3. 复制链接链接已复制到粘贴板!

2.4.4. 复制链接链接已复制到粘贴板!

2.4.5. 复制链接链接已复制到粘贴板!

2.4.6. 复制链接链接已复制到粘贴板!

学习

尝试、购买和销售

社区

关于红帽文档

让开源更具包容性

關於紅帽

Theme

Red Hat legal and privacy links

Red Hat legal and privacy links

2.4.1.
复制链接

2.4.1.1.
复制链接

2.4.1.2.
复制链接

2.4.1.3.
复制链接

2.4.1.4.
复制链接

2.4.2.
复制链接

2.4.3.
复制链接

2.4.4.
复制链接

2.4.5.
复制链接

2.4.6.
复制链接