CentOS设置IP & DNS & Hostname
设置Hostname
修改/etc/hostname
127.0.0.1 localhost.localdomain localhost
10.95.136.51 centos
设置网关
修改/etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=centos
GATEWAY=10.95.136.1
设置IP
修改/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
IPADDR=10.95.136.51
NETMASK=255.0.0.0
BROADCAST=255.255.255.255
HWADDR=00:0C:29:A9:70:C3
TYPE=Ethernet
ONBOOT=yes
NETWORK=10.95.136.1
设置DNS
修改/etc/resolv.conf
nameserver 202.103.24.68
重启网络服务
service network restart
禁止root用户远程登录
修改/etc/ssh/sshd_config
将PermitRootLogin 设置为no
PermitRootLogin no