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This article is about what CentOS6.5 commands are commonly used in. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

> hostname hadoop001

> vim / etc/sysconfig/network

> vim / etc/hosts (add ip+ hostname)

Note: it did not work to restart the computer

-- View firewall status

> service iptables ststus/start/stop/restart

-- self-starting firewall service is turned off

> chkconfig iptables off/on

-- add a rule firewall

[root@hadoop001 /] # vim / etc/sysconfig/iptables

-- modify the network card configuration file

Vim / etc/sysconfig/network-scripts/ifcfg-eth0

-- restart network services

[root@hadoop001 /] # service network restart

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