How to upgrade MariaDB from 10.1 to 10.3 Ubuntu Bionic (18.04) LTS Server
Background This article explains how to upgrade the default MariaDB 10.1 installation provided with Linux Mint 19 Tara or Tessa to MariaDB 10.3. One reason
mariadb
Could not create the upgrade info file ‘/var/lib/mysql/mysql_upgrade_info’ in the MariaDB Servers datadir, errno: 13
Whilst doing this: mysql_upgrade -uusername -ppassword You get this: Could not create the upgrade info file ‘/var/lib/mysql/mysql_upgrade_info’ in the MariaDB Servers datadir, errno: 13 Solution: