修改Linux中的用户名

需要修改2个文件：

/etc/hosts

/etc/sysconfig/network

然后重启

1、修改/etc/sysconfig/network

NETWORKING=yes

HOSTNAME=*******

2、修改/etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

127.0.0.1 *****

10.252.48.155  slave155

10.252.48.156  slave156

10.252.48.166     master166

关于/etc/hosts的更多内容，请参考http://blog.csdn.net/wzy_1988/article/details/8442853