error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Missing /var/run/mysqld/mysqld.sock

Question

My problem started off with me not being able to log in as root any more on my mysql install. I was attempting to run mysql without passwords turned on... but whenever I

Answer 1

There is a bug on Ubuntu with MySQL 5.6 and 5.7 where var/run/mysqld/ would disappear whenever MySQL service stopped or is rebooted. This prevents MySQL from running at all. Found this workaround, which isn't perfect, but at least it gets it running after stopping/reboot:

mkdir /var/run/mysqld/
chown mysqld /var/run/mysqld/