From d2a86d7d6f5c4eb60ee7d7afc7def98edb907a59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E8=88=92=E6=B1=B6?= <3228916049@qq.com>
Date: Wed, 15 May 2024 15:22:20 +0000
Subject: [PATCH 1/3] =?UTF-8?q?=E6=96=B0=E5=BB=BA=20=E6=9D=8E=E8=88=92?=
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Gitee


From 634bcd09343a0d58a3ce30372b8ef5a65f4215e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E8=88=92=E6=B1=B6?= <3228916049@qq.com>
Date: Wed, 15 May 2024 15:27:05 +0000
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Signed-off-by: 李舒汶 <3228916049@qq.com>
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 .../20240515Linux.md"                         | 67 +++++++++++++++++++
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+## LINUX
+
+一种操作系统内核，有centos，debian，redhat等。创建于1991年的基于UNIX的开源操作系统。Linux操作系统还带有图形用户界面（GUI），其中包含一些日常使用的必要软件。它也用于运行Linux的台式计算机，移动设备，游戏机，数字存储设备，电子书阅读器，照相机，录像机中。
+
+### SSH登录
+
+#### 查看ip地址
+
+```
+ip addr show
+```
+
+#### 更新数据
+
+```
+apt-get update 
+apt-get install net-tools
+ifconfig
+```
+
+### ssh：
+
+```
+apt-get update  更新软件库
+apt-get install ssh  安装ssh
+```
+
+安装ssh服务端后，可以用电脑的ssh客户端连接
+
+```
+ssh -l 用户名 ip
+ssh root@ip
+```
+
+```
+apt-get install vim  安装vim
+vim /etc/ssh/sshd_config
+```
+
+按 i 进入编辑模式
+
+```
+port 22 //开启端口222，将前面的#去掉
+PermitRootLogin yes // 允许root登录，将前面的#去掉
+PasswordAuthentication yes // 使用密码验证的模式，将前面的#去掉
+PermitEmptyPasswords no // 禁用空密码 ，将前面的#去掉
+```
+
+按esc退出编辑模式，按住shift: ，再输入wq!，强制保存
+
+重启ssh
+
+```
+systemctl restart ssh
+/etc/init.d/ssh restart
+systemctl status ssh  //查看状态
+```
+
+### sudo:
+
+```
+su root 更换给root模式
+apt-get install sudo
+sudo vim /etc/sudoers
+root all=(all:all) all
+用户名 all=(all:all) all 添加用户名
+```
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Gitee


From 257b26c91ca6714f6d2c86bae11482c47dc0fced Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E8=88=92=E6=B1=B6?= <3228916049@qq.com>
Date: Wed, 15 May 2024 15:27:13 +0000
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