无法在Ubuntu 18.04中启动MySQL Community Server

Question

我在ubuntu中遇到MySQL问题

当我运行这段代码

sudo service mysql start

结果

mysql.service的作业失败，因为控制进程退出并显示错误代码。 有关详细信息，请参见“ systemctl状态mysql.service”和“ journalctl -xe”。

此代码的结果

journalctl -xe

 Feb 27 13:07:36 epicRR systemd[1]: Failed to start MySQL Community Server. -- Subject: Unit mysql.service has failed -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit mysql.service has failed. -- -- The result is RESULT. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Service hold-off time over, scheduling restart. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Scheduled restart job, restart counter is at 5. -- Subject: Automatic restarting of a unit has been scheduled -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Automatic restarting of the unit mysql.service has been scheduled, as the result for -- the configured Restart= setting for the unit. Feb 27 13:07:36 epicRR systemd[1]: Stopped MySQL Community Server. -- Subject: Unit mysql.service has finished shutting down -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit mysql.service has finished shutting down. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Start request repeated too quickly. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Failed with result 'exit-code'. Feb 27 13:07:36 epicRR systemd[1]: Failed to start MySQL Community Server. -- Subject: Unit mysql.service has failed -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit mysql.service has failed. -- -- The result is RESULT. Feb 27 13:07:44 epicRR sudo[5528]: epic_r_r : TTY=pts/0 ; PWD=/home/epic_r_r ; USER=root ; COMMAND=/bin/journalctl -xe Feb 27 13:07:44 epicRR sudo[5528]: pam_unix(sudo:session): session opened for user root by (uid=0) Feb 27 13:08:03 epicRR sudo[5528]: pam_unix(sudo:session): session closed for user root Feb 27 13:08:05 epicRR sudo[5531]: epic_r_r : TTY=pts/0 ; PWD=/home/epic_r_r ; USER=root ; COMMAND=/bin/journalctl -xe Feb 27 13:08:05 epicRR sudo[5531]: pam_unix(sudo:session): session opened for user root by (uid=0) lines 3108-3144/3144 (END) Feb 27 13:07:36 epicRR systemd[1]: Failed to start MySQL Community Server. -- Subject: Unit mysql.service has failed -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit mysql.service has failed. -- -- The result is RESULT. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Service hold-off time over, scheduling restart. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Scheduled restart job, restart counter is at 5. -- Subject: Automatic restarting of a unit has been scheduled -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Automatic restarting of the unit mysql.service has been scheduled, as the result for -- the configured Restart= setting for the unit. Feb 27 13:07:36 epicRR systemd[1]: Stopped MySQL Community Server. -- Subject: Unit mysql.service has finished shutting down -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit mysql.service has finished shutting down. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Start request repeated too quickly. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Failed with result 'exit-code'. Feb 27 13:07:36 epicRR systemd[1]: Failed to start MySQL Community Server. -- Subject: Unit mysql.service has failed -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit mysql.service has failed. -- -- The result is RESULT. Feb 27 13:07:44 epicRR sudo[5528]: epic_r_r : TTY=pts/0 ; PWD=/home/epic_r_r ; USER=root ; COMMAND=/bin/journalctl -xe Feb 27 13:07:44 epicRR sudo[5528]: pam_unix(sudo:session): session opened for user root by (uid=0) Feb 27 13:08:03 epicRR sudo[5528]: pam_unix(sudo:session): session closed for user root Feb 27 13:08:05 epicRR sudo[5531]: epic_r_r : TTY=pts/0 ; PWD=/home/epic_r_r ; USER=root ; COMMAND=/bin/journalctl -xe Feb 27 13:08:05 epicRR sudo[5531]: pam_unix(sudo:session): session opened for user root by (uid=0) lines 3108-3144/3144 (END) 

Answer 1

这是由于

systemctl status mysql.service

结果

 ● mysql.service - MySQL Community Server Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: en Active: failed (Result: exit-code) since Wed 2019-02-27 13:07:36 +0330; 2h 5m Process: 5521 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exit Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Service hold-off time over, sc Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Scheduled restart job, restart Feb 27 13:07:36 epicRR systemd[1]: Stopped MySQL Community Server. Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Start request repeated too qui Feb 27 13:07:36 epicRR systemd[1]: mysql.service: Failed with result 'exit-code' Feb 27 13:07:36 epicRR systemd[1]: Failed to start MySQL Community Server.