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| | <code>virt-rescue</code> - Run a rescue shell on a virtual machine | | <code>virt-rescue</code> - Run a rescue shell on a virtual machine |
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| − | virt-rescue -> [[fdisk -l]] -> [[mount]] /dev/sdXXX [[/sysroot]] | + | virt-rescue -> fdisk -l -> mount /dev/sdXXX /sysroot |
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| | virt-rescue -a /path/to/image/debian_your_name.[[qcow2]] | | virt-rescue -a /path/to/image/debian_your_name.[[qcow2]] |
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| − | == Examples ==
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| | <pre> | | <pre> |
| | virt-rescue -a /srv/libvirt/rcu-test-root.qcow2 | | virt-rescue -a /srv/libvirt/rcu-test-root.qcow2 |
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| | ><rescue> | | ><rescue> |
| | </pre> | | </pre> |
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| − | <pre>
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| − | virt-rescue -a ./disk.qcow2
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| − | Could not access KVM kernel module: No such file or directory
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| − | qemu-system-x86_64: failed to initialize KVM: No such file or directory
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| − | qemu-system-x86_64: Back to tcg accelerator
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| − | supermin: mounting /proc
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| − | supermin: ext2 mini initrd starting up: 5.1.20
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| − | insmod: init_module: crc32-pclmul.ko: No such device
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| − | insmod: init_module: crct10dif-pclmul.ko: No such device
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| − | Starting /init script ...
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| − | [/usr/lib/tmpfiles.d/static-nodes-permissions.conf:12] Unknown group 'audio'.
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| − | [/usr/lib/tmpfiles.d/static-nodes-permissions.conf:13] Unknown group 'audio'.
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| − | [/usr/lib/tmpfiles.d/static-nodes-permissions.conf:14] Unknown group 'disk'.
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| − | [/usr/lib/tmpfiles.d/static-nodes-permissions.conf:17] Unknown group 'kvm'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:11] Unknown group 'utmp'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:19] Unknown user 'systemd-network'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:20] Unknown user 'systemd-network'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:21] Unknown user 'systemd-network'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:22] Unknown user 'systemd-network'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:26] Unknown group 'systemd-journal'.
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| − | [/usr/lib/tmpfiles.d/systemd.conf:27] Unknown group 'systemd-journal'.
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| − | Failed to parse ACL "d:group::r-x,d:group:adm:r-x,group::r-x,group:adm:r-x": No such file or directory. Ignoring
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| − | Failed to parse ACL "d:group:adm:r-x,group:adm:r-x": No such file or directory. Ignoring
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| − | Failed to parse ACL "group:adm:r--": No such file or directory. Ignoring
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| − | Failed to parse ACL "d:group::r-x,d:group:adm:r-x,group::r-x,group:adm:r-x": No such file or directory. Ignoring
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| − | Failed to parse ACL "d:group:adm:r-x,group:adm:r-x": No such file or directory. Ignoring
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| − | Failed to parse ACL "group:adm:r--": No such file or directory. Ignoring
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| − | Starting version 245.4-4ubuntu3.4
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| − | /init: line 116: echo: write error: Invalid argument
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| − | /init: line 116: echo: write error: Invalid argument
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| − | mdadm: No arrays found in config file or automatically
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| − | /init: line 144: lvmetad: command not found
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| − | mdadm: No arrays found in config file or automatically
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| − | ]
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| − | lvm_system_dir = /tmp/lvm
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| − | The virt-rescue escape key is ‘^]’. Type ‘^] h’ for help.
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| − | ------------------------------------------------------------
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| − | Welcome to virt-rescue, the libguestfs rescue shell.
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| − | Note: The contents of / (root) are the rescue appliance.
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| − | You have to mount the guest’s partitions under /sysroot
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| − | before you can examine them.
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| − | groups: cannot find name for group ID 0
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| − | ><rescue>
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| − | </pre>
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| − | == fdisk ==
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| − | [[fdisk -l]]
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| − | Disk /dev/sda: 25 GiB, 26843545600 bytes, 52428800 sectors
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| − | Disk model: QEMU HARDDISK
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| − | Units: sectors of 1 * 512 = 512 bytes
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| − | Sector size (logical/physical): 512 bytes / 512 bytes
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| − | I/O size (minimum/optimal): 512 bytes / 512 bytes
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| − | Disklabel type: gpt
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| − | Disk identifier: BE15153C-637B-4D56-BE22-0EF6E5F72AE5
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| − | Device Start End Sectors Size Type
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| − | /dev/sda1 2048 52426751 52424704 25G Linux filesystem
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| − | Disk /dev/sdb: 4 GiB, 4294967296 bytes, 8388608 sectors
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| − | Disk model: QEMU HARDDISK
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| − | Units: sectors of 1 * 512 = 512 bytes
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| − | Sector size (logical/physical): 512 bytes / 512 bytes
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| − | I/O size (minimum/optimal): 512 bytes / 512 bytes
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| | == Related commands == | | == Related commands == |
| | * <code>[[virt-resize]]</code> | | * <code>[[virt-resize]]</code> |
| − | * <code>[[qemu-img check]]</code> | + | * <code>[[qemu-img]]</code> |
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| | == Activities == | | == Activities == |
