一、停止邮件服务 [root@localhost ~]# systemctl stop postfix # 临时关闭
[root@localhost ~]# systemctl disable postfix # 永久关闭 Removed symlink /etc/systemd/system/multi-user.target.wants/postfix.service. [root@localhost ~]#
二、停止打印服务： [root@localhost ~]# systemctl stop cups.path # 临时关闭 [root@localhost ~]# systemctl stop cups.socket # 临时关闭 [root@localhost ~]# systemctl stop cups.service # 临时关闭
[root@localhost ~]# systemctl disable cups.path # 永久关闭 Removed symlink /etc/systemd/system/multi-user.target.wants/cups.path. [root@localhost ~]# systemctl disable cups.socket # 永久关闭 Removed symlink /etc/systemd/system/sockets.target.wants/cups.socket. [root@localhost ~]# systemctl disable cups.service # 永久关闭 Removed symlink /etc/systemd/system/multi-user.target.wants/cups.service. Removed symlink /etc/systemd/system/printer.target.wants/cups.service. [root@localhost ~]#
三、停止rpcbind： [root@localhost ~]# systemctl stop rpcbind.socket # 临时关闭 [root@localhost ~]# systemctl stop rpcbind # 临时关闭
[root@localhost ~]# systemctl disable rpcbind.socket # 永久关闭 Removed symlink /etc/systemd/system/sockets.target.wants/rpcbind.socket. [root@localhost ~]# systemctl disable rpcbind # 永久关闭 [root@localhost ~]#
四、关闭SELinux，将 /etc/sysconfig/selinux 中的 SELinux=enforcing 修改为 SELinux=disabled 临时关闭，重启失效： #setenforce 0 #getenforce
五、关闭firewall： #停止firewall systemctl stop firewalld.service
#禁止firewall开机启动
systemctl disable firewalld.service
#查看默认防火墙状态（关闭后显示notrunning，开启后显示running）
firewall-cmd --state
六、关闭NetworkManager
# systemctl stop NetworkManager # 临时关闭
# systemctl disable NetworkManager # 永久关闭网络管理命令
