Set STATIC IP on Fedora 21

  1. From ip link show command, find the network interface you want to make static.

    [0]ip link show
    1: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    2: em1: mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
        link/ether 2c:27:d7:2b:ee:76 brd ff:ff:ff:ff:ff:ff

  2. In /etc/sysconfig/network-scripts/ifcfg-em1

    TYPE="Ethernet"
    DEVICE="em1"
    ONBOOT="yes"
    NM_CONTROLLED="no"
    BOOTPROTO="static"
    IPADDR=172.17.172.79
    NETMASK=255.255.252.0
    GATEWAY=172.17.172.1

  3. In /etc/resolv.conf

    search yourdomain.com
    nameserver 172.xx.xx.xx
    nameserver 172.xx.xx.xx

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