2020-12-22T21:35:26.950859Z mysqld_safe Logging to '/var/log/mysql/error.log'. 2020-12-22T21:35:26.952528Z mysqld_safe Directory '/var/run/mysqld' for UNIX socket file don't exists. code example
Example: mysqld_safe Directory '/var/run/mysqld' for UNIX socket file don't exists.
mkdir -p /var/run/mysqld
chown mysql:mysql /var/run/mysqld