I don't run mysql_secure_installation but have the credentials stored in
/root/.my.cnf only, as suggested in various web howtos.
>From Ubuntu-20.4: iiab-admin@box:~$ sudo systemctl status mariadb --no-pager -l
● mariadb.service - MariaDB 10.3.22 database server
Loaded: loaded
(]8;;file://box.lan/etc/systemd/system/mariadb.service/etc/systemd/system/mariadb.service]8;;;
enabled; vendor preset: enabled)
Active: active (running) since Sat 2020-08-22 10:09:12 EDT; 2h 47min ago
Docs: ]8;;man:mysqld(8)man:mysqld(8)]8;;
]8;;https://mariadb.com/kb/en/library/systemd/https://mariadb.com/kb/en/library/systemd/]8;;
Process: 661 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d
/var/run/mysqld (code=exited, status=0/SUCCESS)
Process: 684 ExecStartPre=/bin/sh -c systemctl unset-environment
_WSREP_START_POSITION (code=exited, status=0/SUCCESS)
Process: 687 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] &&
VAR= || VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ] && systemctl
set-environment _WSREP_START_POSITION=$VAR || exit 1 (code=exited,
status=0/SUCCESS)
Process: 893 ExecStartPost=/bin/sh -c systemctl unset-environment
_WSREP_START_POSITION (code=exited, status=0/SUCCESS)
Process: 918 ExecStartPost=/etc/mysql/debian-start (code=exited,
status=0/SUCCESS)
Main PID: 768 (mysqld)
Status: "Taking your SQL requests now..."
Tasks: 30 (limit: 2319)
Memory: 91.3M
CGroup: /system.slice/mariadb.service
└─768 /usr/sbin/mysqld
Aug 22 10:09:09 box.lan systemd[1]: Starting MariaDB 10.3.22 database server...
Aug 22 10:09:11 box.lan mysqld[768]: 2020-08-22 10:09:11 0 [Note]
/usr/sbin/mysqld (mysqld 10.3.22-MariaDB-1ubuntu1) starting as process 768 ...
Aug 22 10:09:12 box.lan systemd[1]: Started MariaDB 10.3.22 database server.
Aug 22 10:09:12 box.lan debian-start[987]: ERROR 1045 (28000): Access denied
for user 'root'@'localhost' (using password: NO)
Think the reason is the mariadb.service has
ExecStartPost=/etc/mysql/debian-start which then calls mysqlcheck then looks in
/etc/mysql/debian.cnf for the password which is not present.
Given that debian-start is from the same era as
mysql_secure_installation perhaps that routine needs looking at also?
What would be the current best practice, using /root/.my.cnf or
/etc/mysql/debian.cnf?
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https://bugs.launchpad.net/bugs/1582209
Title:
mysql_secure_installation does not update /etc/mysql/debian.cnf
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