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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| tools:kvm [2024/05/21 18:36] – [VM] darron | tools:kvm [2025/03/19 16:16] (current) – darron | ||
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| Line 12: | Line 12: | ||
| </ | </ | ||
| + | ===qemu=== | ||
| + | To allow a user to create a virtual network permissions must be altered for a qemu script. | ||
| + | |||
| + | If it doesn' | ||
| + | |||
| + | < | ||
| + | #! /bin/bash | ||
| + | chmod u+s / | ||
| + | exit 0 | ||
| + | </ | ||
| + | |||
| + | Make the script executable and run it. | ||
| + | |||
| + | < | ||
| + | chmod +x / | ||
| + | </ | ||
| + | |||
| + | To make this script run at every boot with systemd add the following to | ||
| + | `/ | ||
| + | |||
| + | < | ||
| + | [Service] | ||
| + | Type=oneshot | ||
| + | RemainAfterExit=yes | ||
| + | ExecStart=/ | ||
| + | |||
| + | [Install] | ||
| + | WantedBy=multi-user.target | ||
| + | </ | ||
| + | |||
| + | Enable the service with | ||
| + | |||
| + | < | ||
| + | systemctl enable rc-local.service | ||
| + | </ | ||
| ===User=== | ===User=== | ||
| Line 158: | Line 193: | ||
| virsh undefine debian12 | virsh undefine debian12 | ||
| </ | </ | ||
| + | |||
| + | ==Export== | ||
| + | |||
| + | < | ||
| + | virsh dumpxml debian12 > debian12.xml | ||
| + | </ | ||
| + | |||
| + | ==Import== | ||
| + | |||
| + | < | ||
| + | virsh define debian12.xml | ||
| + | </ | ||
| + | |||
| + | ===Disk=== | ||
| + | |||
| + | ==Tools== | ||
| + | |||
| + | < | ||
| + | apt install guestfs-tools | ||
| + | </ | ||
| + | |||
| + | ==Info == | ||
| + | |||
| + | < | ||
| + | qemu-img info vm1.qcow2 | ||
| + | image: vm1.qcow2 | ||
| + | file format: qcow2 | ||
| + | virtual size: 20 GiB (21474836480 bytes) | ||
| + | disk size: 3.42 GiB | ||
| + | cluster_size: | ||
| + | Format specific information: | ||
| + | compat: 1.1 | ||
| + | compression type: zlib | ||
| + | lazy refcounts: true | ||
| + | refcount bits: 16 | ||
| + | corrupt: false | ||
| + | extended l2: false | ||
| + | </ | ||
| + | |||
| + | ==Compact== | ||
| + | |||
| + | < | ||
| + | virt-sparsify --in-place vm1.qcow2 | ||
| + | 100% ⟦▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒⟧ --:-- | ||
| + | [ 6.4] Trimming /dev/sda1 | ||
| + | [ 6.8] Clearing Linux swap on /dev/sda5 | ||
| + | [ 7.1] Sparsify in-place operation completed with no errors | ||
| + | </ | ||
| + | |||
| + | ==Resize== | ||
| + | |||
| + | < | ||
| + | qemu-img resize vm1.qcow2 40G | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | qemu-img info vm1.qcow2 | ||
| + | image: vm1.qcow2 | ||
| + | file format: qcow2 | ||
| + | virtual size: 40 GiB (42949672960 bytes) | ||
| + | disk size: 2.49 GiB | ||
| + | cluster_size: | ||
| + | Format specific information: | ||
| + | compat: 1.1 | ||
| + | compression type: zlib | ||
| + | lazy refcounts: true | ||
| + | refcount bits: 16 | ||
| + | corrupt: false | ||
| + | extended l2: false | ||
| + | </ | ||
| + | |||
| + | |||
| + | __VM__ | ||
| + | |||
| + | < | ||
| + | sudo apt-get install gparted | ||
| + | </ | ||
| + | |||
| + | Run gparted to re-arrange and resize the partitions as appropriate | ||
| + | |||
| ===Resources=== | ===Resources=== | ||
| Line 164: | Line 279: | ||
| [[https:// | [[https:// | ||
| + | [[https:// | ||
| + | |||
| + | [[https:// | ||
| + | |||
| + | [[https:// | ||
