Dominique Dumont - 19.08.17, 10:56: > On Thursday, 17 August 2017 23:23:56 CEST you wrote: > > $ mysql_upgrade --socket mysql.socket > > Looking for 'mysql' as: mysql > > Looking for 'mysqlcheck' as: mysqlcheck > > FATAL ERROR: Upgrade failed > > This looks like mysql-client-core-5.7 is not installed ... Or mariadb-client-core-10.3 on Unstable. -- Martin