Linux restart one network interface 2019-09-03 01:08
Use following commands to restart on network interface. First you need to know that how many network cards on your machine.
ifconfig
[root@localhost ~]# ifconfig
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.232.24.233 netmask 255.255.255.0 broadcast 10.232.24.255
ether 08:00:27:3f:4d:9d txqueuelen 1000 (Ethernet)
RX packets 210791952 bytes 22194532411 (20.6 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 94766333 bytes 16999211753 (15.8 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.56.8 netmask 255.255.255.0 broadcast 192.168.56.255
ether 08:00:27:20:c3:20 txqueuelen 1000 (Ethernet)
RX packets 7298662 bytes 1464429877 (1.3 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 13032965 bytes 8945762415 (8.3 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
If you want to restart enp0s8 you can use ifdown and ifup commands.
ifdown enp0s3 && ifup enp0s3
EOF