76 lines
1.3 KiB
Markdown
76 lines
1.3 KiB
Markdown
# VirtualBox
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(https://www.virtualbox.org)
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## Installation
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```sh
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apt install virtualbox virtualbox-dkms virtualbox-ext-pack virtualbox-guest-additions-iso virtualbox-qt
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```
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## Status
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```sh
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VBoxManage list vms
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VBoxManage list runningvms
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```
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## Start vms
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```sh
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VBoxManage startvm "Rocky Linux" --type=headless
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```
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## Stop vm
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```sh
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VBoxManage controlvm SlackDB poweroff soft
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```
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## Shrink disk
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```sh
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# on host
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dd if=/dev/zero of=/var/tmp/bigemptyfile bs=4096k ; rm /var/tmp/bigemptyfile
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shutdown
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# on server
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VBoxManage modifymedium --compact /path/to/thedisk.vdi
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```
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## Extend disk
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```sh
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VBoxManage modifyhd slack.vdi --resize 102400 # MB
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# 16 GB = 16384 MB
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# 32 GB = 32768 MB
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# 48 GB = 49152 MB
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# 64 GB = 65536 MB
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# 80 GB = 81920 MB
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# 100 GB = 102400 MB
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```
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## Export / Import
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```sh
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VBoxManage export SlackDB --output SlackDB.ova # export
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VBoxManage import SlackDB.ova # import
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```
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## Convert to KVM
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```sh
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VBoxManage clonehd --format RAW <vdisk-name>.vdi <vdisk-name>.img
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qemu-img convert -f raw <vdisk-name>.img -O qcow2 <vdisk-name>.qcow2
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```
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## Bash alias
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```sh
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alias vm='VBoxManage list vms && echo -e '\n' && VBoxManage list runningvms'
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alias vmstart='VBoxManage startvm "Rocky Linux" --type=headless'
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alias vmstop='VBoxManage controlvm "Rocky Linux" poweroff soft'
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```
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`source ~/.bashrc` |