systemctl命令

systemctl 是系统服务管理器命令,它实际上将 service 和 chkconfig 这两个命令组合到一起。

格式:systemctl 动作 服务名.service

动作:

  • start
  • stop
  • restart
  • status
  • enable
  • disable
  • is-enabled

命令片段-1:

systemctl start nfs-server.service #启动
systemctl enable nfs-server.service #自动启动
systemctl disable nfs-server.service #停止开机自动启动
systemctl status nfs-server.service #查看当前服务的状态
systemctl status httpd.service

systemctl restart nfs-server.service #重启服务
systemctl list -units --type=service #查看所有已启动的服务
systemctl restart httpd.service #重启服务
systemctl is-active httpd.service #是否 Active

命令片段-2:#彻底关闭防火墙

sudo systemctl status  firewalld.service
sudo systemctl stop firewalld.service          
sudo systemctl disable firewalld.service

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