linux 服务启动新旧指令

对比表，以 apache / httpd 为例

任务
旧指令
新指令

使某服务自动启动
chkconfig --level 3 httpd on
systemctl enable httpd.service

使某服务不自动启动
chkconfig --level 3 httpd off
systemctl disable httpd.service

检查服务状态
service httpd status
systemctl status httpd.service （服务详细信息） systemctl is-active httpd.service （仅显示是否 Active)

显示所有已启动的服务
chkconfig --list
systemctl list-units --type=service

启动某服务
service httpd start
systemctl start httpd.service

停止某服务
service httpd stop
systemctl stop httpd.service

重启某服务
service httpd restart
systemctl restart httpd.service