Common CentOs Linux commands

Organize some common commands (keep updating):

To see if the port is open:

Netstat-an | grep Prot (see if Port 23 is open)

|: Channel meaning, grep refers to the line where the current character is viewed

Linux uses the following command to open a network port that allows for external access:

/sbin/iptables-i input-p TCP--dport 8000-j ACCEPT #开启8000端口

/etc/rc.d/init.d/iptables Save #保存配置

/etc/rc.d/init.d/iptables Restart #重启服务

See if the port is open

/etc/init.d/iptables status

Viewing and killing processes

Ps-ef | grep [PID] for details, click

Software Installation rpm

RPM-IVH fileName details please click here

Common CentOs Linux commands