Linux Stuffs

connect: Network is unreachable If you are getting below error, then probably you have not added gateway address or you have incorrect gateway in config file. [root@cluster ~]# ping google.com connect: Network is unreachable Before: [root@cluster ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth3 DEVICE=eth3 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=static IPADDR=192.168.174.130 NETMASK=255.255.255.0 After: [root@cluster ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth3 DEVICE=eth3 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=static IPADDR=192.168.174.130 NETMASK=255.255.255.0 GATEWAY=192.168.174.2 [root@cluster ~]# ifdown eth3 [root@cluster ~]# ifup eth3 Determining if ip address 192.168.174.130 is already in use for device eth3... [root@cluster ~]# ping google.com PING google.com (216.58.218.174) 56(84) bytes of data. 64 bytes from dfw06s46-in-f14.1e100.net (216.58.218.174): icmp_seq=1 ttl=128 time=261 ms 6