Setting an static IP address in RHEL (the old way)

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In RHEL8, you use NetworkManager or NMCLI to configure the networking, but in RHEL7 and before, you had to do it a different way.
In this post I show you which files you need to configure to be able set a static IP in REHL7.

1) Edit the network card configuration file, which will be something like the following
/etc/sysconfig/network-scripts/ifcfg-ens33
2) Add the network mask, and IP address. Remove any reference to DHCP that may or may not be in there.
Like this:
IPADDR=192.168.1.132
NETMASK=255.255.255.0

3) Edit the network configuration file
/etc/sysconfig/network
4) Add a line configuring the gateway, like this
GATEWAY=192.168.1.1
5) restart the network
systemctl restart network.service
NOTE : This assumes that the NetworkManager.service has been stopped and disabled.

 

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