Centos8 restart network service network related commands

Problem Description:

The newly installed CentOS8 system has major changes from the previous version due to the network service commands, so I will introduce it in detail here.

table of Contents

 1. Modify the network card configuration file:

 2. Restart the network service

 3. Test the network

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 1. Modify the network card configuration file:

[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens160 #As shown in the figure below, change ONBOOT=no to yes

2. Restart the network service

nmcli c reload ens160

#Restart network card[root@localhost ~]# nmcli c reload ens160# Reload all ifcfg or route to connection (not effective immediately) nmcli c reload ifcfg-xxx# Reload specified ifcfg or route to connection (not effective immediately) nmcli c load /etc/sysconfig/network-scripts/ifcfg-ethX 
nmcli c load /etc/sysconfig/network-scripts/route-ethX# The connection takes effect immediately, there are 3 methods nmcli c up ethX 
nmcli d reapply ethX 
nmcli d connect ethX

3. Test the network

Network back to normal