1. 修改主机名
vim /etc/sysconfig/networkNETWORKING=yes
HOSTNAME=hadoop
2. 修改主机名和IP的映射关系
vim /etc/hosts192.168.0.2 hadoop
1200字范文，内容丰富有趣，写作的好帮手！
时间：2019-09-06 04:32:16
vim /etc/sysconfig/networkNETWORKING=yes
HOSTNAME=hadoop
vim /etc/hosts192.168.0.2 hadoop
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