Hadoop环境搭建之Linux虚拟机常用命令

1.设置网卡开机自启动,IP,子网掩码，网关：vi /etc/sysconfig/network-scripts/ifcfg-eth0

2.设置主机名：vi /etc/sysconfig/network

3.设置域名：vi /etc/host

4.克隆的虚拟机网卡地址：/etc/udev/rules.d/70-persistent-net.rules

5.rebootsudo yum -y install openssh-clients

6.sudo yum -y install openssh-clients

7.ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa

8.cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

9.chmod 640authorized_keys

10.关闭防火墙

service iptables stop

sudo chkconfig iptables off

11.关闭selinux

sudo vi /etc/sysconfig/selinux