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Server: Ubuntu sets IP address, gateway, DNS

2025-02-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Network Security >

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Server 1. Set IP address, gateway

Nano / etc/network/interfaces / etc/network/interfacesbak # back up the original configuration file

Nano / etc/network/interfaces # Editing the Nic configuration file

Auto lo

Iface lo inet loopback

Auto eth0 # automatically connect to the network when booting

Iface eth0 inet static # static means to use a fixed ip,dhcp expression to use dynamic ip

Address 192.168.21.168 # set ip address

Netmask 255.255.255.0 # set subnet mask

Gateway 192.168.21.2 # set Gateway

Ctrl+o # Save configuration

Ctrl+x # exit

2. Set dns

Cp / etc/resolv.conf / etc/resolv.confbak # back up the original dns configuration file

Nano / etc/resolv.conf # edits the configuration file to add the following

Nameserver 8.8.8.8 # set preferred dns

Nameserver 8.8.4.4 # set up standby dns

Ctrl+o # Save configuration

Ctrl+x # exit

System operation and maintenance www.osyunwei.com warm reminder: qihang01 original content ©all rights reserved, reprint please indicate the source and the original link

3. Restart the network

/ etc/init.d/networking restart # restart the network

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