Linux configuration Hadoop pseudo-distributed installation mode

1) Turn off disable firewall:

/etc/init.d/iptables status will get a series of messages stating that the firewall is open.

/etc/rc.d/init.d/iptables Stop shutting down the firewall

2) Disable SELinux:

To view the SELinux status:

1,/usr/sbin/sestatus-v # #如果SELinux The status parameter is enabled is turned on

SELinux status:enabled

2. Getenforce # #也可以用这个命令检查

To turn off SELinux:

1, temporarily shut down (do not restart the machine):

Setenforce 0 # #设置SELinux become permissive mode

# #setenforce 1 set SELinux to become enforcing mode

2. Modify the configuration file to restart the machine:

Modify the/etc/selinux/config file

Change Selinux=enforcing to Selinux=disabled

Restart the machine

Linux configuration Hadoop pseudo-distributed installation mode