✨ 修改主机名
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<!--
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* @Description: In User Settings Edit
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* @Author: your name
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* @Date: 2019-08-04 18:31:00
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* @LastEditTime: 2019-08-09 22:15:53
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* @LastEditors: Please set LastEditors
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-->
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#### Git 版本控制器
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__配置__
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<!--
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* @Description: In User Settings Edit
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* @Author: your name
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* @Date: 2019-03-31 14:53:34
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* @LastEditTime: 2019-08-25 17:51:18
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* @LastEditors: Please set LastEditors
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-->
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#### ssh 公私钥登录配置
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第一步,在客户端生成公钥
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@ -98,4 +105,23 @@ Port 22228 # ssh 端口,自定义端口,修改为指定端口号
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ssh test1 #如果配置了公私钥就直接登录,没有的话输入密码登录
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```
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---
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#### 修改主机名
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临时生效,重启服务器会还原
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```
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hostname ubuntu-1604
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```
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永久生效
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1. 修改 `/etc/hostname` 文件中的名称
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2. 修改 `/etc/hosts` 文件中的旧名称,或者新添加一条 `127.0.0.1 ubuntu-1604`
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> 适用于 `Ubuntu 16.04` 和 `CentOS 7` 以上版本
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