CentOS 下，设置IP DNS Hostname

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