computing:virtmanagerhell
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| computing:virtmanagerhell [2026/03/29 15:02] – oemb1905 | computing:virtmanagerhell [2026/04/05 00:45] (current) – oemb1905 | ||
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| - | To make a VM from the command line, do the following. Note that this recipe assumes you have already created your virtual switch, br0. It also presumes you have already created your virtual disk, and if you have not, simply run '' | + | To make a VM from the command line, do the following. Note that this recipe assumes you have already created your virtual switch, br0. It also presumes you have already created your virtual disk, and if you have not, simply run '' |
| sudo virt-install --name=new.img \ | sudo virt-install --name=new.img \ | ||
| Line 18: | Line 18: | ||
| --location=/ | --location=/ | ||
| --network bridge:br0 | --network bridge:br0 | ||
| + | |||
| + | Here's a more complex block, that enables trim on vdd, uses a preseed.cfg file to automate install, establishes a custom vnet name, enables the guest agent, and opens a terminal/ | ||
| + | |||
| + | virt-install --name=domain.com.qcow2 \ | ||
| + | --os-variant=debian12 \ | ||
| + | --vcpu=2 \ | ||
| + | --memory 4096 \ | ||
| + | --disk path=/ | ||
| + | --check path_in_use=off \ | ||
| + | --graphics none \ | ||
| + | --location=/ | ||
| + | --network bridge: | ||
| + | --channel unix, | ||
| + | --initrd-inject=/ | ||
| + | --extra-args=" | ||
| To clone an existing image, do the following: | To clone an existing image, do the following: | ||
| Line 233: | Line 248: | ||
| | | ||
| < | < | ||
| - | <mac address=' | + | <mac address=' |
| <source bridge=' | <source bridge=' | ||
| <target dev=' | <target dev=' | ||
| Line 249: | Line 264: | ||
| </ | </ | ||
| </ | </ | ||
| + | |||
| + | If you don't have video enabled, do the following (also needed for Cockpit Terminal rendering): | ||
| + | |||
| + | Option 1 (cirrus): | ||
| + | < | ||
| + | < | ||
| + | < | ||
| + | < | ||
| + | </ | ||
| + | </ | ||
| + | |||
| + | Option 2 (qxl) | ||
| + | < | ||
| + | < | ||
| + | < | ||
| + | </ | ||
| + | </ | ||
| + | |||
| + | Option 3 (use commands) | ||
| + | virt-xml domain.com.qcow2 --add-device --graphics vnc, | ||
| + | virt-xml domain.com.qcow2 --add-device --video qxl | ||
| + | virsh reboot domain.com.qcow2 | ||
| Add virtiofs mount point. Here's two, note the staggered bus entry of '' | Add virtiofs mount point. Here's two, note the staggered bus entry of '' | ||
| Line 267: | Line 304: | ||
| </ | </ | ||
| + | Then, inside the VM: | ||
| + | mkdir -p / | ||
| + | mkdir -p / | ||
| + | nano /etc/fstab | ||
| + | support1 | ||
| + | support2 | ||
| + | | ||
| + | If you find '' | ||
| + | sudo systemctl enable serial-getty@ttyS0.service | ||
| + | sudo systemctl start serial-getty@ttyS0.service | ||
| + | |||
| + | Migrating an existing VDD and virsh instance ... just dump or copy paste the .xml with '' | ||
| + | |||
| + | virsh define host.com.xml | ||
| + | virsh start host.com | ||
| + | | ||
| + | You should for sure check the network interface and MAC address, the storage location directory, and obviously run through anything else that might be different on the target migration host. | ||
| - | --- // | + | --- // |
computing/virtmanagerhell.1774796539.txt.gz · Last modified: by oemb1905
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