agi mariadb-server mariadb-client
systemctl is-enabled mariadb
sudo mysql_secure_installation
sudo mysql

USE mysql;
SELECT plugin FROM USER WHERE USER='root';
UPDATE USER SET plugin='' WHERE USER='root';
FLUSH PRIVILEGES;
EXIT;

Ou pour corriger certaines erreurs après une mise à jour automatique (comme “[ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).” )

sudo mysql_upgrade --user=root --password;

agi php-{mbstring,zip,gd,xml,pear,gettext,cgi} php-mysqli
 
mkdir /var/www/html/phpmyadmin    
 
wget https://files.phpmyadmin.net/phpMyAdmin/5.2.0/phpMyAdmin-5.2.0-all-languages.tar.gz
tar xzf phpMyAdmin-5.2.0-all-languages.tar.gz --strip-components=1 -C /var/www/html/phpmyadmin
cp /var/www/html/phpmyadmin/config.sample.inc.php /var/www/html/phpmyadmin/config.inc.php
 
#pour changer la ligne 'blowfish_secret' : 
nano /var/www/html/phpmyadmin/config.inc.php
 
chmod 660 /var/www/html/phpmyadmin/config.inc.php
chown -R www-data:www-data /var/www/html/phpmyadmin
 
systemctl restart apache2

mkcd /var/www/html/phpmyadminNEW
 
wget https://files.phpmyadmin.net/phpMyAdmin/5.2.0/phpMyAdmin-5.2.0-all-languages.tar.gz
tar xzf phpMyAdmin-5.2.0-all-languages.tar.gz --strip-components=1 -C /var/www/html/phpmyadminNEW
cp -rp /var/www/html/phpmyadmin/config.inc.php /var/www/html/phpmyadminNEW/config.inc.php
 
chmod 660 /var/www/html/phpmyadminNEW/config.inc.php
chown -R www-data:www-data /var/www/html/phpmyadminNEW
 
mv /var/www/html/phpmyadmin /var/www/html/phpmyadminOLD
mv /var/www/html/phpmyadminNEW /var/www/html/phpmyadmin
 
# Comparer si le fichier config.inc.php est bien conforme au config.sample.inc.php
# (en théorie la seule différence est la ligne 16 avec le "blowfish_secret")
 
# Si tout est OK :
 
# rm /var/www/html/phpmyadmin/phpMyAdmin-5.2.0-all-languages.tar.gz   
# rm -rf /var/www/html/phpmyadminOLD
 
systemctl restart apache2

https://VotreURLphpmyadmin/index.php?route=/server/status/processes