1 [root@mongodb-poc-0003 ~]# cat /etc/redhat-release
 2 CentOS Linux release 8.0.1905 (Core) 
 3 [root@mongodb-poc-0003 ~]# rpm -qa | grep -i mysql
 4 [root@mongodb-poc-0003 ~]# whereis mysql
 5 mysql: /usr/local/mysql
 6 [root@mongodb-poc-0003 ~]# chkconfig --list | grep -i mysql
 7 
 8 Note: This output shows SysV services only and does not include native
 
 9       systemd services. SysV configuration data might be overridden by native
10       systemd configuration.
11 
12       If you want to list systemd services use 'systemctl list-unit-files'.
13       To see services enabled on particular target use
14       'systemctl list-dependencies [target]'.
 
15 
16 mysqld          0:off   1:off   2:on    3:on    4:on    5:on    6:off
17 [root@mongodb-poc-0003 ~]# find / -name mysql
18 /usr/share/selinux/targeted/default/active/modules/100/mysql
19 /usr/local/mysql
20 /usr/local/mysql/include/mysql
21 /usr/local/mysql/bin/mysql
22 /usr/local/mysql/data/mysql
23 /home/mysql
24 /var/spool/mail/mysql
 
25 /var/lib/selinux/targeted/active/modules/100/mysql
26 [root@mongodb-poc-0003 ~]# rm -rf /usr/local/mysql
27 [root@mongodb-poc-0003 ~]# rm -rf /home/mysql
28 [root@mongodb-poc-0003 ~]# whereis mysql
29 mysql:
30 [root@mongodb-poc-0003 ~]# 

停止並刪除自啟動服務

1 chkconfig --del mysqld
2 rm -rf /etc/init.d/mysqld