硬软件环境
1、虚拟机：VMware Workstation 12
2、虚拟机操作系统：RedHat5u4，单核，1G内存，2两台
3、虚拟机运行环境：
java version "1.7.0_79" 64位
Scala version 2.10.5
hadoop-2.6.0
spark-2.0.0-bin-hadoop2.6
Python 2.7.12
配置IP
192.168.3.100 master
192.168.3.101 slave
配置主机名
[root@localhost ~]# vim /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=master
[root@localhost ~]# hostname master
三台主机都配置主机名
[root@localhost ~]# vim /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME= slave
[root@localhost ~]# hostname slave
重启生效
关闭防火墙和selinux
[root@master ~]# vim /etc/sysconfig/selinux
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - SELinux is fully disabled.
SELINUX=disabled
# SELINUXTYPE= type of policy in use. Possible values are:
# targeted - Only targeted network daemons are protected.
# strict - Full SELinux protection.
SELINUXTYPE=targeted
[root@master ~]# service iptables status
表格：filter
Chain INPUT (policy ACCEPT)
num target prot opt source destination
Chain FORWARD (policy ACCEPT)
num target prot opt source destination
Chain OUTPUT (policy ACCEPT)
num target prot opt source destination
域名解析
使得master和slave互相连接对方
[root@master ~]# vim /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
192.168.3.100 master
192.168.3.101 slave
[root@slave ~]# vim /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
192.168.3.100 master
192.168.3.101 slave
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