[debian-mysql] Bug#1032047: mariadb-server: Preinst fails if user has mariadb running while system service stopped.

[Rai]

Hi Otto,

Sry, it was my error - I'm indeed on debian buster here and referring to the bug #1031770.
I mixed it up.

Regards
Rai

Am 01.03.2023 um 08:13 schrieb Otto Kekäläinen:

> So Rai has /usr/sbin/mysqld-akonadi from package akonadi-backend-mysql:
> 
> /usr/sbin/mysqld-akonadi
> --defaults-file=/home/rai/.local/share/akonadi/mysql.conf
> --datadir=/home/rai/.local/share/akonadi/db_data/
> --socket=/tmp/akonadi-rai.bxYrSB/mysql.socket
> --pid-file=/tmp/akonadi-rai.bxYrSB/mysql.pid
> 
> Rai was running Debian buster (=oldstable).
> 
> Steven has another version (Bullseye/stable?) with:
> 
> /usr/sbin/mysqld
> --defaults-file=/home/username/.local/share/akonadi/mysql.conf
> --datadir=/home/username/.local/share/akonadi/db_data/
> --socket=/run/user/1000/akonadi/mysql.socket
> --pid-file=/run/user/1000/akonadi/mysql.pid
> 
> The process detection indeed would be more robust if it checked for
> owner 'mysql'. So we could switch it to run this instead?
> 
> pgrep -u root,mysql -x --nslist pid --ns $$ "mysqld|mariadbd"
> 
> Just need to be careful that this is run only on systems where the
> user 'mysql' already exist, otherwise pgrep will return an error.
> 
> 
> The issue https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1031770
> Rai mentioned is unrelated. Let's not mix the discussion about that
> into this one about the preinstall script process check.