CentOS8 network card configuration file

1. Introduction

CentOS8 system update, the new version makes people feel very comfortable. At this time, some people will configure the network card of the CentOS8 system to make the system go online, and they will encounter that the configured network card will not take effect. Think about it yourself, it is the same as when configuring CentOS7. The biggest change in the CentOS8 update is the network card. Next, configure the network card;

2. Configuration

Network card configuration file: /etc/sysconfig/network-scripts/ifcfg-ens33

[root@localhost ~]# cd /etc/sysconfig/network-scripts/
[root@localhost network-scripts]# ls #You will see a configuration file for the network card [root@localhost network-scripts]# vim ifcfg-ens33 #Enter the network card configuration file

The following configuration files: red bold indicates changes; yellow background indicates additions; black bold indicates added comments.

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPADDR=192.168.10.111
NETMASK=255.255.255.0
GATEWAY=192.168.10.1
DNS1=114.114.114.114
IPV4_FAILURE_FATAL=no
#IPV6INIT=yes
#IPV6_AUTOCONF=yes
#IPV6_DEFROUTE=yes
#IPV6_FAILURE_FATAL=no
#IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=7afc67d5-b767-4d89-97b4-2558f8dc33c3
DEVICE=ens33
ONBOOT=yes
[root@localhost network-scripts]# nmcli c reload #Restart the network card

After reading this, do you feel the gap between this system and CentOS7 system?

3. nmcli command explanation

nacli usage:

Usage: nmcli [options] OBJECT

Options:

-o[verview] overview mode (hides default)

-t[erse] concise output

-p[retty] neatly output

-m[ode] tabular|multiline output mode

-c[olors] auto|yes|no whether to use colors in output

-e[scape] yes|no escape column separators in values

-a[sk] Ask for missing parameters

-s[how-secrets] allows display of passwords

-w[ait] Set a timeout for the operation to complete

-v[ersion] Display program version

-h[elp] Output this help

Target:

g[eneral] General status and operation of the NetworkManager

n[etworking] Overall networking control

r[adio] Network Manager Radio Switch

c[onnection] Network manager connection

d[evice] Device managed by the network manager

a[gent] Network Manager's secret agent or polkit agent

m[onitor] monitor network manager changes

Generally use c:

[root@localhost network-scripts]# nmcli c –-help #Option to view help COMMAND := { show | up | down | add | modify | clone | edit | delete | monitor | reload | load | import | export }

Summarize

The above is the CentOS8 network card configuration file introduced by the editor. I hope it will be helpful to everyone. If you have any questions, please leave me a message and the editor will reply to you in time. I would also like to thank everyone for their support of the 123WORDPRESS.COM website!
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