一、Linux系统基本命令
查看Linux核心版本
- uname -a
- uname -r
查看Linux不同版本的系统版本
- cat /etc/redhat-release //红帽
- cat /etc/CentOS-release //CentOS
- cat /etc/SuSE-release //SuSE
关闭防火墙的运行
systemctl stop firewalld
开机禁用防火墙自运行
systemctl disable firewalld
查看防火墙当前的状态
systemctl status firewalld
关机
- systemctl poweroff
- poweroff
- init 0 shutdown halt
重启
- systemctl reboot
- reboot init 6
查看内存free -m
查看CPU信息cat /proc/cpuinfo