Difference between revisions of "Clean ubuntu"
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[[Category:Linux]] | [[Category:Linux]] | ||
| + | This page explains how to remove old and un-necessary kernels as well as cleaning the /boot partition. | ||
| − | |||
| − | = | + | =Know the current Kernel version= |
| − | |||
| − | |||
Get your current kernel version | Get your current kernel version | ||
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| + | =Installed kernels= | ||
| + | |||
| + | ==List kernels that can be removed== | ||
| − | === | + | The following command will return the list of packages that can be removed: |
| + | |||
| + | <syntaxhighlight lang="bash"> | ||
| + | dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r|sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | Source: Linux pratique no94, FR, mars|avril 2016 | ||
| + | |||
| + | |||
| + | ==List of all kernels (including current one)== | ||
Get a list of installed kernels | Get a list of installed kernels | ||
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| − | === | + | |
| + | |||
| + | |||
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| + | =Delete kernels= | ||
| + | |||
| + | ==Manual deletion== | ||
Delete the kernels you don't want/need anymore | Delete the kernels you don't want/need anymore | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
| − | apt-get remove --purge linux-image-VERSION linux-image-extra-VERSION | + | apt-get remove --purge linux-headers-VERSION* linux-image-VERSION* linux-image-extra-VERSION* |
apt-get autoremove | apt-get autoremove | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 15:13, 22 May 2016
This page explains how to remove old and un-necessary kernels as well as cleaning the /boot partition.
Contents
Know the current Kernel version
Get your current kernel version
uname -r
You should see something like:
3.13.0-32-generic
Installed kernels
List kernels that can be removed
The following command will return the list of packages that can be removed:
dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r|sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d'Source: Linux pratique no94, FR, mars|avril 2016
List of all kernels (including current one)
Get a list of installed kernels
dpkg --list 'linux-image*'
You should see something like:
| / | Name | Version | Architecture | Description |
|---|---|---|---|---|
| un | linux-image | <none> | <none> | (no description available) |
| un | linux-image-3.0 | <none> | <none> | (no description available) |
| rc | linux-image-3.13.0-24-generic | 3.13.0-24.47 | amd64 | Linux kernel image for version 3.13.0 on 64 bit x86 SMP |
| ii | linux-image-3.13.0-30-generic | 3.13.0-30.55 | amd64 | Linux kernel image for version 3.13.0 on 64 bit x86 SMP |
| ii | linux-image-3.13.0-32-generic | 3.13.0-32.57 | amd64 | Linux kernel image for version 3.13.0 on 64 bit x86 SMP |
| rc | linux-image-extra-3.13.0-24-generic | 3.13.0-24.47 | amd64 | Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP |
| ii | linux-image-extra-3.13.0-30-generic | 3.13.0-30.55 | amd64 | Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP |
| ii | linux-image-extra-3.13.0-32-generic | 3.13.0-32.57 | amd64 | Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP |
| ii | linux-image-generic | 3.13.0.32.38 | amd64 | Generic Linux kernel image |
Delete kernels
Manual deletion
Delete the kernels you don't want/need anymore
apt-get remove --purge linux-headers-VERSION* linux-image-VERSION* linux-image-extra-VERSION*
apt-get autoremoveReplace VERSION with the version of the kernel you want to remove.
Example:
apt-get remove --purge linux-image-3.13.0-24-generic linux-image-extra-3.13.0-24-generic linux-image-3.13.0-30-generic linux-image-extra-3.13.0-30-generic
apt-get autoremove
Update kernels list
update-grub
