Article ID: 3331, created on Nov 30, 2007, last review on May 11, 2014

  • Applies to:
  • H-Sphere

Resolution

In the particular case, when an IP address was not being attached to the network interface on VPS server please check the following things: 1) Make sure "network" service has not been turned off on system boot (it should be turned on on 2,3,4,5 runlevels): [root@webxl /]# chkconfig --list | grep network network 0:off 1:off 2:on 3:on 4:on 5:on 6:off You may turn it on by such command: "chkconfig --level 2345 network on" 2) Check whether in "ifcfg-eth0" file ONBOOT option is set to 'yes': [root@webxl /]# cat /etc/sysconfig/networking/ifcfg-eth0 | grep ONBOOT ONBOOT=yes 3) Then, please try to run "/etc/init.d/network start" and if during this you notice something like below: error: unknown error 1 setting key 'net.ipv4.ip_forward' error: unknown error 1 setting key 'net.ipv4.conf.default.rp_filter' error: unknown error 1 setting key 'net.ipv4.conf.default.accept_source_route' error: unknown error 1 setting key 'kernel.sysrq' error: unknown error 1 setting key 'kernel.core_uses_pid' Please open /etc/init.d/network and comment a line [action $"Setting network parameters: " sysctl -e -p /etc/sysctl.conf] in this file by placing # at its beginning. After that, run "/etc/init.d/network restart" ones again. 4. Check if an IP address has been bound to your interface (run "ifconfig") and whether defaultroute was set properly ("route | grep default")

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