How to set ip in linux

How to set the IP address in Linux:

File ifcfg-eth0 file path required to configure the network:/eth/sysconfig/network-scripts/ifcfg-eth0

ifcfg-eth0 file configuration analysis:

TYPE=Ethernet  
DEVICE=eth0  
BOOTPROTO=none  
ONBOOT=yes  
IPADDR=192.168.16.12  
NETMASK=255.255.255.0  
GATEWAY=192.168.16.1  
BROADCAST=192.168.16.255
HWADDR=00:0C:29:13:5D:74  
PEERDNS=yes  
DNS1=10.0.1.41  
USERCTL=no  
NM_CONTROLLED=no  
IPV6INIT=yes  
IPV6ADDR=FD55:fe80::28c2:e745:835f:c8d0/64

Attachment. Configuration parameter description
Note: These parameter values ​​​​are not case-sensitive, do not distinguish between single quotes and double quotes, and may not even be used quotation marks.
TYPE: Configuration file interface type. There are various network configuration files in the /etc/sysconfig/network-scripts/ directory, including Ethernet, IPsec and other types. The network interface type is Ethernet.

DEVICE: Network interface name

BOOTPROTO: System startup address protocol

none: Do not use startup address protocol

bootp: BOOTP protocol

dhcp: DHCP dynamic address protocol

static: Static address protocol

ONBOOT: Whether to activate when the system starts

yes: Activate the network interface when the system starts

no: Do ​​not activate this network interface when the system starts

IPADDR: IP address

NETMASK: Subnet mask

GATEWAY: Gateway address

BROADCAST: Broadcast address

Configuration takes effect

In order to make the network configuration permanently valid, the network interface configuration file under /etc/sysconfig/network-scripts/ was modified in Part 2. However, modifications to these files will not take effect immediately. There are two ways to make the network configuration of the modified file take effect:

1) Execute the service network restart command to restart the network service (recommended)

# service network restart

2) Restart the computer

# reboot

Recommended learning: linux tutorial

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