Linux服务器

配置ip
vi   /etc/sysconfig/network-scripts/ifcfg-eth0  
DEVICE=eth0  
BOOTPROTO=none  
HWADDR=00:50:2E:7D:F3:45  
ONBOOT=yes   
NETMASK=255.255.255.0  
IPADDR=192.168.0.8   
USERCTL=no  
PEERDNS=yes 
GATEWAY=192.168.0.1
IPV6INIT=no

DNS
vi /etc/resolv.conf
nameserver 8.8.8.8
nameserver 8.8.4.4

添加用户
useradd testuser
passwd testuser

防火墙
vi /etc/sysconfig/iptables
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT

service iptables stop
service iptables start

ssh
vi /etc/ssh/sshd_config
/etc/rc.d/init.d/sshd start stop restart
service sshd start stop restart



重启网络服务的命令是
service network restart
或者/etc/init.d/network restart