Modify the IP address or DNS of Debian

In Debian, the IP address configuration parameters are in the interface under the/etc/Network/directory, while the DNS configuration parameters are in the resolv. in Conf, the following describes the configuration parameters:

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IP Address Settings:/etc/Network/interface

// Obtain Dynamic DHCP

# Start the system activation device
# Loop address
Auto Lo
Iface lo Inet loopback

# Start the system activation device
# Set eth0 to DHCP
Auto eth0
Iface eth0 Inet DHCP

// Obtain the static data

# Start the system activation device
# Loop address
Auto Lo
Iface lo Inet loopback

# Start the system activation device
# Set the network adapter eth0 to the static type
Auto eth0
Iface eth0 Inet static

# Specifying IP addresses, subnet masks, and gateways
Address 192.168.0.1
Netmask 255.255.255.0
Gateway 192.168.0.1

Note: When configuring IP address parameters, "// dynamic DHCP get" and "// static get" can only be one of them. The two cannot exist at the same time. Remember !!!

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DNS Server Settings:/etc/resolv. conf
# It must be set. Otherwise, no URL can be accessed.

Nameserver 202.103.0.117

Nameserver 211.95.193.97

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Restart Nic

/Etc/init. d/networking restart
Ifdown eth0
IFUP eth0