Failed to issue method call: Unit MySQL.service failed to load: No such file or directory的解决办法
作者：chszs，转载需注明。博客主页：http://blog.csdn.net/chszs
1、软件环境：
OpenSUSE 13.1 x64
MySQL 5.6.20 x64
2、采用RPM包安装mysql 5.6.20
- # rpm -ivh MySQL-server-5.6.20-1.sles11.x86_64.rpm
- # rpm -ivh MySQL-client-5.6.20-1.sles11.x86_64.rpm
- # rpm -ivh MySQL-devel-5.6.20-1.sles11.x86_64.rpm
- # rpm -ivh MySQL-shared-5.6.20-1.sles11.x86_64.rpm
3、查看MySQL服务
- # /etc/init.d/mysql status
- MySQL is not running failed
- mysql.service
- Loaded: not-found (Reason: No such file or directory)
- Active: inactive (dead)
- Aug 22 15:42:26 173-168-58-139 systemd[1]: Stopped LSB: Start the MySQL database server.
可见，MySQL服务未启动。
4、启动MySQL服务
- # /etc/init.d/mysql start
- redirecting to systemctl start mysql
- Failed to issue method call: Unit mysql.service failed to load: No such file or directory.
报错，无法启动MySQL服务。
用systemctl方法
- # systemctl start mysql.service
仍然报如下错误
Failed to issue method call: Unit mysql.service failed to load: No such file or directory. See system logs and 'systemctl status mysql.service' for details.
5、解决方法
- # systemctl enable mysql.service
6、再次启动MySQL
- # systemctl start mysql
- # ps -ef | grep mysql
- root 27930 1 0 16:30 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/173-168-58-139.pid
- mysql 28045 27930 0 16:30 ? 00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/173-168-58-139.err --pid-file=/var/lib/mysql/173-168-58-139.pid
- root 28074 25545 0 16:30 pts/1 00:00:00 grep --color=auto mysql
可见，MySQL已经正常运行。
来自：http://blog.csdn.net/chszs/article/details/38758713
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