Failed to start mysqld.service: Unit not found

Question

Use systemctl start mysqld to start mysql service, failed error: Failed to start mysqld.service: Unit not found. Use journalctl -xe to see details log, show that: fatal: unable to use my own hostname

so how to solve it, i find some solutions, but can not solve it.

Answer 1

If on Ubuntu try without the 'd'

systemctl start mysql