Linux learning NIC configuration Putty key Login

First, Linux configuration network card

1) Get IP automatically

If the DHCP client uses dhclient to obtain an IP address

2) Manual Configuration

[[email protected] ~] #ifconfig #查看ip地址

[[email protected] ~] #vim/etc/sysconfig/network-scripts/ifcfg-eth0 #打开网卡配置文件

Modify the following:

Onboot=no Change to Yes #开机启动

BOOTPROTO=DHCP changed to static #自动获得改成静态获得

To add a row:

ipdaar=192.168.x.x #桥接模式下与真机一个ip地址

netmask=255.255.255.0 #子网掩码

gateway=192.1.1.1 #网关地址

Peerdns=no #防止dhcp修好dns

dns1=8.8.8.8 #DNS地址

dns2=4.4.4.4 #DNS地址

   [[email protected] ~] #cat/etc/resolv.conf       #查看dns是否生效

   [[email protected] ~]#/etc/init.d/network restart  

   [[email protected] ~] #service network  restart   #重启网卡

Two, putty key login

  1) Create a. SSH directory under the user's home directory  [[email protected] ~] #mkdir./ssh

  2) Create the Authorized_keys file in the. SSH directory [[email protected] ~] #touch./ssh/authorized_keys

3) Modify the. SSH directory permission to 700, file Authourizd_keys to 600

4) Use Puttygen to generate key pair to save private key to copy public key to file Authorized_keys

5) Shut down the firewall [[email protected] ~] #setenforce 0 (temporarily off) permanently close edit /etc/selinux/config

Change inside selinux=enforcing to Disabled

6) Open Putty Save private key to SSH auth in session, open

This article is from the "Linux" blog, so be sure to keep this source http://1038457789.blog.51cto.com/10025869/1627971

Linux learning NIC configuration Putty key Login