pi@raspberrypi:~ $ systemctl start mariadb
==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
Legitimierung ist zum Starten von »mariadb.service« notwendig.
Multiple identities can be used for authentication:
 1.  ,,, (pi)
 2.  root
Choose identity to authenticate as (1-2): 1
Password:
==== AUTHENTICATION COMPLETE ===
Job for mariadb.service failed because the control process exited with error cod                                                                                       e.
See "systemctl status mariadb.service" and "journalctl -xe" for details.
pi@raspberrypi:~ $ sudo systemctl start mariadb
Job for mariadb.service failed because the control process exited with error cod                                                                                       e.
See "systemctl status mariadb.service" and "journalctl -xe" for details.
pi@raspberrypi:~ $ ^C
pi@raspberrypi:~ $ systemctl status mariadb.service
● mariadb.service - MariaDB database server
   Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset:
   Active: failed (Result: exit-code) since Sat 2023-05-13 18:10:16 CEST; 26s ag
  Process: 9124 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WS
  Process: 9032 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR
  Process: 9028 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START
  Process: 9025 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/ru
 Main PID: 9124 (code=exited, status=1/FAILURE)
   Status: "MariaDB server is down"

Mai 13 18:10:11 raspberrypi systemd[1]: Starting MariaDB database server...
Mai 13 18:10:13 raspberrypi mysqld[9124]: 2023-05-13 18:10:13 1995526144 [Note]
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Main process exited, co
Mai 13 18:10:16 raspberrypi systemd[1]: Failed to start MariaDB database server.
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Unit entered failed sta
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Failed with result 'exi
lines 1-16/16 (END)
● mariadb.service - MariaDB database server
   Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2023-05-13 18:10:16 CEST; 26s ago
  Process: 9124 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, stat
  Process: 9032 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= ||   VAR=`/usr/bin/galera_recovery`
  Process: 9028 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCC
  Process: 9025 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCE
 Main PID: 9124 (code=exited, status=1/FAILURE)
   Status: "MariaDB server is down"

Mai 13 18:10:11 raspberrypi systemd[1]: Starting MariaDB database server...
Mai 13 18:10:13 raspberrypi mysqld[9124]: 2023-05-13 18:10:13 1995526144 [Note] /usr/sbin/mysqld (mysqld 10.1.23-Mari
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Main process exited, code=exited, status=1/FAILURE
Mai 13 18:10:16 raspberrypi systemd[1]: Failed to start MariaDB database server.
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Unit entered failed state.
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Failed with result 'exit-code'.

lines 1-16/16 (END)
● mariadb.service - MariaDB database server
   Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2023-05-13 18:10:16 CEST; 26s ago
  Process: 9124 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1/FAILURE)
  Process: 9032 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= ||   VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ]   && systemctl set-environment _WSR
  Process: 9028 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
  Process: 9025 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCESS)
 Main PID: 9124 (code=exited, status=1/FAILURE)
   Status: "MariaDB server is down"

Mai 13 18:10:11 raspberrypi systemd[1]: Starting MariaDB database server...
Mai 13 18:10:13 raspberrypi mysqld[9124]: 2023-05-13 18:10:13 1995526144 [Note] /usr/sbin/mysqld (mysqld 10.1.23-MariaDB-9+deb9u1) starting as process 9124 ...
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Main process exited, code=exited, status=1/FAILURE
Mai 13 18:10:16 raspberrypi systemd[1]: Failed to start MariaDB database server.
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Unit entered failed state.
Mai 13 18:10:16 raspberrypi systemd[1]: mariadb.service: Failed with result 'exit-code'.

pi@raspberrypi:~ $