Linux-set the IP address of ubuntu

Put the Ubuntu IP address in/etc/Network/interfaces, and put the DNS settings in/etc/resolv. conf.

 

Set static IP addresses

1. Backup/etc/Network/interfaces: sudo CP/etc/Network/interfaces. Backup

2. edit/etc/Network/interfaces: sudo VI/etc/Network/interfaces and replace the following content with the line related to eth0:Auto eth0 <br/> iface eth0 Inet static <br/> address 192.168.3.90 <br/> gateway 192.168.3.1 <br/> netmask 255.255.255.0 

3. Restart the network: sudo/etc/init. d/networking restart

 

Set a dynamic IP Address

1. Backup/etc/Network/interfaces: sudo CP/etc/Network/interfaces. Backup

2. edit/etc/Network/interfaces: sudo VI/etc/Network/interfaces and replace the following content with the line related to eth0:Auto eth0 <br/> iface eth0 Inet DHCP 

3. Restart the network: sudo/etc/init. d/networking restart

4. You can use dhclient to refresh the IP Address: sudo dhclient eth0

 

 

 

Set DNS

1. Backup/etc/resolv. conf: sudo CP/etc/resolv. CONF/etc/resolv. conf. Backup

2. edit/etc/resolv. conf: sudo VI/etc/resolv. conf and replace the original content:Domain weili.com <br/> Search weili.com <br/> nameserver 10.3.1.1 <br/> nameserver 10.3.1.14 

3. Restart the network: sudo/etc/init. d/networking restart

 

Set Host Name

1. Use hostname to view the current host name: sudo hostname

2. Use hostname to modify the current host name: sudo hostname newname