IPの固定
/etc/sysconfig/network-scripts/ifcfg-eth0
# ...
# ONBOOT=no
ONBOOT=yes
# BOOTPROTO=dhcp
BOOTPROTO=static
IPADDR=aaa.bbb.ccc.ddd
NETMASK=eee.fff.ggg.hhh
GATEWAY=iii.jjj.kkk.lll
DNS1=iii.jjj.kkk.lll
ホスト名の設定
/etc/sysconfig/network
NETWORKING=yes
HOSTNAME=hogehoge
/etc/hosts
127.0.0.1 hogehoge localhost
::1 hogehoge localhost