What is the method to restart the network card in centos?

How to restart the network card in centos: 1. The network card restart command for centos6 is "service network restart"; 2. The network card restart command for centos7 is "systemctl restart network".

The operating environment of this tutorial: CentOS 7 system, Dell G3 computer.

What is the method to restart the network card in centos?

1. How to restart the network card of centos6: service network restart

How to restart the network card of centos7: systemctl restart network

2. DNS configuration file: cat /etc/resolv.conf

Set host and IP binding information: cat /etc/hosts

Set the host name: cat /etc/hostname

3. You can use the nmtui text box to modify the IP

4. Turn off the firewall and set it not to start at boot

Check the firewall status:

systemctl status firewalld.service

Close:

systemctl stop firewalld

Open:

systemctl start firewalld

Automatically shut down at boot:

systemctl disable firewalld

Automatically start at boot:

systemctl enable firewalld

Check whether it starts at boot:

chkconfig --list|grep network(RHLE6)

5. Temporarily and permanently shut down Selinux

Temporarily Close:

_getenforce
Enforcing
_setenforce 0
setenforce:SELinux is disabled

Permanently closed:

_vim /etc/selinux/config

Related recommendations: "Linux Video Tutorial"

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