CentOS 7 版本 firewall
1、停止firewall
systemctl stop firewalld.service
2、禁止firewall开机启动
systemctl disable firewalld.service
3、查看默认防火墙状态(关闭后显示notrunning,开启后显示running)
firewall-cmd --state
查看服务是否启动:
systemctl list-unit-files | grep zabbix
查看当前可登录用户:
cat /etc/passwd | grep bash