Red Hat

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Change IP Settings

You need to update the following configuration

  1. Network interface(s)
    • EG for eth0 update /etc/sysconfig/network-scripts/ifcfg-eth0
  2. Default gateway and hostname
    • /etc/sysconfig/network
  3. DNS servers
    • /etc/resolv.conf
  4. Restart server networking to apply
    • /etc/init.d/network restart

Example ifcfg-ethx file...

DEVICE=eth0
NM_CONTROLLED="yes
ONBOOT=yes
BOOTPROTO=static
PEERDNS=no
IPADDR=10.3.0.144
NETMASK=255.255.255.0

See No NIC if you've changed the NIC (eg due to a VMware clone)

Updates

  • Update server
    • yum update
  • Get installed package version
    • EG rpm -q openssl

Subscriptions

subscription-manager list