– The error number returned by this process is 22. systemd[1]: mariadb.service: Main process exited, code=exited, status=227/NO_NEW_PRIVILEGES systemd[1]: Failed to start MariaDB database server.
I have detailed my work upto now on http://serverfault.com/questions/831503/why-wont-mariadb-start-after-upgrade-no-new-privileges
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The way to do it is to install a more recent kernel from the web interface :)