Configuration of Linux in case of big data

One: The outline of the configuration

There are several aspects to the main configuration:

Host Name

Ip

Network mapping

Add new users

Access to the new user root for easy experimentation

Shutting down the firewall

Security subsystem needs to be shut down

II: Configuration of Host name

Command: Vi/etc/sysconfig/network

Three: Configuration of IP

Note: When you configure IP in the following ways, you need to close the link and then open the link

　　　　

Four: Configuration of the network

Command: vi/etc/hosts

　　　　

Command: The local hosts also want to modify

　　　　

Command: Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Define the gateway so that you can ping the network.

　　　　

Five: Add new users

Command: Useradd Beifeng

Password: passwd Beifeng

　　　　

Command: Permissions sudo vi/etc/sudoers

　　　　

Six: Turn off the firewall

Command: Service iptables status

Note: Use root

　　　　

Command: If it is not closed, use the

Service Iptables Stop

Command: Boot does not start

Chkconfig iptables off

Command: Verify boot start or not

Chkconfig

　　　　

Seven: Modifying the security subsystem

Prevent later because of this effect cannot download

Command: Vi/etc/sysconfig/selinux

　　　　

Eight: End of----------------------------------------------------------------------------------------------------------------- -----------------

Configuration of Linux in Big Data case