cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
IPADDR=192.168.0.90
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=yes
EOF
cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
IPADDR=192.168.0.90
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=yes
EOF