Linux systemctl怎样修改服务名称

修改服务名称

关于Linux systemctl中怎样修改服务名, 这里有个简朴的案例,我们须要将服务名mysql.service修改为mysqld.service, 跟公司的安装规范划一.
网络干系服务信息

1. # systemctl list-unit-files --type=service | grep mysql
2. mysql.service                              disabled   

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如上所示, 服务名为mysql.service

1. $ systemctl status mysql
2. ● mysql.service - MySQL Server
3.    Loaded: loaded (/etc/systemd/system/mysql.service; disabled; vendor preset: disabled)
4.    Active: active (running) since Fri 2026-02-27 22:13:27 CST; 1 weeks 4 days ago
5.      Docs: https://dev.mysql.com/doc/refman/5.7/en/
6. Main PID: 1366406 (mysqld_safe)
7.     Tasks: 62 (limit: 48804)
8.    Memory: 4.1G
9.    CGroup: /system.slice/mysql.service
10.            ├─1366406 /bin/sh /opt/mysql/mysql8/bin/mysqld_safe --defaults-file=/etc/my.cnf
11.            └─3124328 /opt/mysql/mysql8/bin/mysqld --defaults-file=/etc/my.cnf --basedir=/opt/mysql/mysql8 --datadir=/data/mysql --plugin-dir=/opt/mysql/mysql8/>
13. Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

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从上面可以看到服务文件为/etc/systemd/system/mysql.service
克礼服务

1. # systemctl stop mysql.service
2. # systemctl disable mysql.service  此处不用执行,服务是disable

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注意:systemctl disable xxx表现克制开机启动服务,这个视情况而定.不是必须设置的选项.

1. # cd /etc/systemd/system/
2. # cp -rp mysql.service mysqld.service
3. # rm /etc/systemd/system/mysql.service
4. rm: remove regular file '/etc/systemd/system/mysql.service'? y

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可以修改干系设置信息.  固然这里也可以删除mysql.service,创建一个新的服务文件.
革新 systemd 设置

1. # systemctl daemon-reload

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查抄验证

1. # systemctl list-unit-files --type=service | grep mysql
2. mysql.service                              generated      
3. mysqld.service                             disabled      
4. mysqlrouter.service                        enabled   
5.    
6. # systemctl status mysql.service
7. ● mysql.service - LSB: start and stop MySQL
8.    Loaded: loaded (/etc/rc.d/init.d/mysql; generated)
9.    Active: inactive (dead)
10.      Docs: man:systemd-sysv-generator(8)
12. Mar 11 15:24:35 mydev02 systemd[1]: Stopping MySQL Server...
13. Mar 11 15:24:56 mydev02 mysqld_safe[1366406]: 2026-03-11T07:24:56.599266Z mysqld_safe mysqld from pid file /data/mysql/mydev02.pid ended
14. Mar 11 15:24:56 mydev02 systemd[1]: mysql.service: Succeeded.
15. Mar 11 15:24:56 mydev02 systemd[1]: Stopped MySQL Server.
16. # ls /etc/rc.d/init.d/mysql
17. /etc/rc.d/init.d/mysql
18. # rm /etc/rc.d/init.d/mysql
19. rm: remove regular file '/etc/rc.d/init.d/mysql'? y
20. # systemctl daemon-reload
21. # systemctl list-unit-files --type=service | grep mysql
22. mysqld.service                             disabled      
23. mysqlrouter.service                        enabled   

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启用服务mysqld.service

1. # systemctl enable mysqld.service  
2. Created symlink /etc/systemd/system/multi-user.target.wants/mysqld.service → /etc/systemd/system/mysqld.service.
3. # systemctl daemon-reload
4. # systemctl start mysqld.service  

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