Linux rookie starter Linux network management

Manage your network

1.IP Basic Knowledge

Ipv4/ipv6

32 Guests

172.25.0.10/255.255.255.0

2. Configure IP

<< Graphics >>

1. Graphical interface

Nm-connection-editor

2. Text Graphics

Nmtui

ifconfig tools to view or temporarily set host IP

Ifconfig Network Interface view IP on this interface

ifconfig Network interface IP netmask Subnet mask temporarily set IP

Ifconfig eth0 172.25.254.100 netmask 255.255.255.0

systemctl Restart Network Restart Network basic services

systemctl Restart NetworkManager Network Intelligent Management Service

<< commands >>

Ifconfig network card IP netmask temporary settings

NMCLI:

System Ststus NetWork

Connection Add type Ethernet con-name WESTOS ifname eth0 AutoConnect Yes

NMCLI Connection Add type Ethernet con-name WESTOS ifname IP4 ip/24

NMCLI Connection Add Delete Westos

NMCLI Connection Show

NMCLI Connection down Westos

NMCLI Connection up Westos

NMCLI Connection Modify Westos ipv4.addresses newip/24

NMCLI Connection Modify Westos Ipv4.method <auto|manual>

NMCLI Device Connect

NMCLI Device Disconnect

NMCLI Device Show

NMCLI Device status

<< Files >>

DHCP Dynamic acquisition

Vim/etc/sysconfig/network-scripts/ifcfg-eth0

Device=eth0

Bootproto=dhcp

Onboot=yes

Name=eth0

: Wq

Systemctl Restart Network

Static|none Static Network

Vim/etc/sysconfig/network-scripts/ifcfg-eth0

Device=eth0

Bootproto=static|none

Onboot=yes

IPADDR (x) =172.25.0.100

netnask=172.25.0.100 | PREFIS0=24 Subnet Mask

Name=eth0

: Wq

Systemctl Restart Network

If you want to set multiple IPs in x position

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Linux rookie starter Linux network management