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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 2ae4f53245..6980672094 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -23038,6 +23038,32 @@ Currently, as with @command{switch-generation}, you must reboot after running this action to actually start using the preceding system generation. +@item delete-generations +@cindex deleting system generations +@cindex saving space +Delete system generations, making them candidates for garbage collection +(@pxref{Invoking guix gc}, for information on how to run the ``garbage +collector''). + +This works in the same way as @command{guix package --delete-generations} +(@pxref{Invoking guix package, @code{--delete-generations}}). With no +arguments, all system generations but the current one are deleted: + +@example +guix system delete-generations +@end example + +You can also select the generations you want to delete. The example below +deletes all the system generations that are more than two month old: + +@example +guix system delete-generations 2m +@end example + +Running this command automatically reinstalls the bootloader with an updated +list of menu entries---e.g., the ``old generations'' sub-menu in GRUB no +longer lists the generations that have been deleted. + @item build Build the derivation of the operating system, which includes all the configuration files and programs needed to boot and run the system. |