Run the VMM virtual machine graphical management tool on CentOS7

Run the VMM virtual machine graphical management tool on CentOS7

CentOS7.6 provides the basic functions of virtual machine management, such as boot, suspend, restart, shutdown, forced shutdown, restart, migration, etc., and can enter the virtual machine graphical interface for operation. Virt-manager is a desktop manager for a set of virtual machines and can also manage a variety of storage and networks.

1. Run virt-manager

Run the command virt-manager to bring up the virtual system manager (KVM graphical management tool), or click the menu "Applications"-> "System Tools"-> "Virtual Machine Manager".

two。 Create a new virtual machine

New Virtual Machine

3. Select an iso file

Upload the iso file of the selected virtual machine installation media

Sftp > put CentOS-6d4-x86_6s4-bin-DVD1.iso

Uploading CentOS-6d4-x86_6s4-bin-DVD1.iso to / vm-data/iso/CentOS-6d4-x86_6s4-bin-DVD1.iso

100% 4251346KB 85026KB/s 00:00:50

Browse to select the iso file.

4. Modify to increase CPU and memory

5. Increase the disk

View disk files

[root@C76 images] # ll

Total 52456848

-rw- 1 qemuqemu 32217432064 Aug 6 11:35 centos6v.qcow2

-rw- 1 root root 21478375424 Aug 5 11:26 centos7.6Te.qcow2

[root@C76 images] #

6. Select a network and specify a bridge

When you start libvirtd, ifconfig displays the virbr Nic.

7. Install virtual machine

The virtual machine stops after Reboot, press the start button

8. View the hard disk and network card properties of the virtual machine

View permissions

[root@C76 iso] # ll / var/lib/libvirt/

Total 0

Drwx--x--x. 2 root root 6 Oct 31 2018 boot

Drwxr-xr-x. 2 root root 97 Aug 2 16:16 dnsmasq

Drwx--x--x. 2 root root 6 Oct 31 2018 filesystems

Drwx--x--x. 2 root root 52 Aug 5 11:26 images

Drwx- 2 root root 6 Oct 31 2018 lxc

Drwx-. 2 root root 6 Oct 31 2018 network

Drwxr-x--x. 8 qemuqemu 85 Aug 5 11:26 qemu

Drwx--x--x. 2 root root 6 Oct 31 2018 swtpm

[root@C76 iso] #

9. Set the automatic start property of the virtual machine

Start the virtual machine automatically by setting it on the command line or in the "Boot Options" of the graph.

[root@C76 images] # virsh list-- all

[root@C76 images] # virsh autostart centos6v

[root@C76 images] # virsh dominfo centos6v

Then modify the properties of

[root@C76 qemu] # virsh edit centos6v

Destroy

Restart

Restart

Host reboot, and the virtual machine starts.