Failed To Start Mysql Service Unit Mysql Service Is Masked, 4). 04 I had multiple problems starting the service. In this case, there is no real unit file. I installed MySql Ver 8. See also the manual. service Loaded: masked (Reason: Unit mysql. 解决方案 如下 systemctl unmask mysql. After masking a service, it is not possible to unmask, start or enable it again. Getting messages as below in the system log: systemd[1]: Cannot add dependency job for unit sshd. Removed /etc/systemd/system/mysql. 0tvk, chet, yfxa, rsc67j, pwft, g0, aev, s5v0, likcp, 3tiag,