Hi Peter,
> > Yes, they're kernels and you only typically need the last two or
> > three working ones.
> > https://help.ubuntu.com/community/RemoveOldKernels might free quite
> > a bit of space.
>
> That link suggests the command
> sudo apt-get autoremove --purge
>
> Periodically when I add something I get prompted to
> sudo apt-get autoremove
> which I do.
So the same but without the `--purge'.
> Yesterday I did
> sudo apt autoremove
> which did something, but didn't remove them. Well maybe it did
> because the above command says nothing to do.
It did. It removed, but didn't purge, the packages that were
automatically installed, `apt-mark showauto', and no longer have
anything depending on them; that was the original reason they were
installed.
> Interesting, they are still there. A sample:
> linux-signed-image-4.4.0-77-generic 4.4.0-77.98 deinstall ok config-files
> linux-signed-image-4.4.0-78-generic 4.4.0-78.99 deinstall ok config-files
> linux-signed-image-4.4.0-79-generic 4.4.0-79.100 deinstall ok config-files
No, they've been removed. The `deinstall ok' means you have selected
them to be de-installed and that went well. The `config-files' says the
package's configuration files, e.g. things in /etc, remain. That's
because you didn't purge the packages, just removed them.
You can still try to purge those configuration files IIRC.
sudo -i apt-get purge linux-signed-image-4.4.0-77-generic
For a list of packages that only have their configuration installed:
aptitude search '~c'
The reason `remove' leaves behind the configuration files is in case
you've tailored them and then decide to re-install the package next
week; you'd retain your settings from before, though have the package's
own ones installed alongside with some suffix. (I forget what, not
using APT-based systems much anymore.) If you didn't tailor them, it
still leaves them behind. That seems odd behaviour to me.
Cheers, Ralph.
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