solved: apt update messed up after crash

[robert]

On 27.03.2018 23:34, Liam Proven wrote:
> On 27 March 2018 at 22:52, Colin Law <clanlaw at gmail.com> wrote:
>
>> Try
>> sudo apt update && sudo apt install -f
> I suggest this first:
>
> https://askubuntu.com/questions/775328/is-dpkg-reconfigure-all-still-available-in-16-04
>
> If it doesn't work, make a note of their names, force-remove the
> corrupted packages, try "dpkg configure all" again, _then_ "apt
> full-upgrade -y".
>
this did not work either, but the above link pointed to some other solution:

This I have done:
1. I did run the script:

|( for i in `dpkg -l | grep '^ii' | awk '{print $2}'`; do echo $i; sudo 
dpkg-reconfigure $i; done ) 2>&1 | tee dpkg-reconfigure.log |

It reconfigures all installed packages and saves the log to 
|dpkg-reconfigure.log| file.

2. this produced:
debconf: DbDriver ”config“: config.dat is locked by another process: 
Resource temporarily unavailable” while installing packages

3. to find and kill the process holding the lock i did

|fuser -vik /var/cache/debconf/config.dat |


4. then I could run the above script again and all was well

thanks again
robert
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