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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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