更新文档

docs/use/help.md

@@ -1,11 +1,77 @@
+
+## 关于开启 SSH 远程登录的方法
+
+!!! quote ""
+
+    - ### 验证是否已安装 `SSH` 服务
+
+        ``` bash
+        ls /etc | grep ssh
+        ```
+        > 如果没有这个文件夹说明系统未安装 `SSH` 服务，你需要通过包管理工具安装 `openssh` 软件包
+
+    - ### 设置允许 Root 用户登录
+
+        ``` bash
+        cat /etc/ssh/sshd_config | grep -Eq "^[# ]?PermitRootLogin " ; [ $? -eq 0 ] && sed -i 's/^[# ]\?PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config || echo -e "\nPermitRootLogin yes" >> /etc/ssh/sshd_config
+        ```
+
+    - ### 设置密码认证
+
+        ``` bash
+        cat /etc/ssh/sshd_config | grep -Eq "^[# ]?PasswordAuthentication " ; [ $? -eq 0 ] && sed -i 's/^[# ]\?PasswordAuthentication.*/PasswordAuthentication yes/g' /etc/ssh/sshd_config || echo -e "\nPasswordAuthentication yes" >> /etc/ssh/sshd_config
+        ```
+
+    - ### 启动/重启 `SSH` 服务
+
+        ``` bash
+        ps -ef | grep -q ssh ; [ $? -eq 0 ] && systemctl restart sshd || systemctl enable --now sshd
+        ```
+
+
 ## 关于报错 Command not found
 
-  - 如果提示 `Command 'curl' not found` 则说明当前未安装 `curl` 软件包
+!!! quote ""
+
+    - 如果提示 `Command 'curl' not found` 则说明当前未安装 `curl` 软件包
+
+        === "Debian 系 Linux"
+
+            ``` sh
+            apt-get install -y curl
+            ```
+
+            > `Debian`   `Ubuntu`   `Kali`
+
+        === "RedHat 系 Linux / OpenCloudOS / openEuler"
+
+            ``` sh
+            yum install -y curl || dnf install -y curl
+            ```
+
+            > `Red Hat Enterprise Linux`   `CentOS`   `Rocky Linux`   `AlmaLinux`   `Fedora`   `OpenCloudOS`   `openEuler`
+
+        === "openSUSE"
+
+            ``` sh
+            zypper install curl
+            ```
+
+        === "Arch Linux"
+
+            ``` sh
+            pacman -S curl
+            ```
+
+## 还原已备份的软件源
+
+!!! quote ""
 
     === "Debian 系 Linux"
 
         ``` sh
-        apt-get install -y curl
+        cp -rvf /etc/apt/sources.list.bak /etc/apt/sources.list
+        apt-get update
         ```
 
         > `Debian`   `Ubuntu`   `Kali`
@@ -13,7 +79,8 @@
     === "RedHat 系 Linux / OpenCloudOS / openEuler"
 
         ``` sh
-        yum install -y curl || dnf install -y curl
+        cp -rvf /etc/yum.repos.d.bak /etc/yum.repos.d
+        yum makecache
         ```
 
         > `Red Hat Enterprise Linux`   `CentOS`   `Rocky Linux`   `AlmaLinux`   `Fedora`   `OpenCloudOS`   `openEuler`
@@ -21,49 +88,19 @@
     === "openSUSE"
 
         ``` sh
-        zypper install curl
+        cp -rvf /etc/zypp/repos.d.bak /etc/zypp/repos.d
+        zypper ref
         ```
 
     === "Arch Linux"
 
         ``` sh
-        pacman -S curl
+        cp -rvf /etc/pacman.d/mirrorlist.bak /etc/pacman.d/mirrorlist
+        pacman -Sy
         ```
 
-## 还原已备份的软件源
-
-=== "Debian 系 Linux"
-
-    ``` sh
-    cp -rvf /etc/apt/sources.list.bak /etc/apt/sources.list
-    apt-get update
-    ```
-
-    > `Debian`   `Ubuntu`   `Kali`
-
-=== "RedHat 系 Linux / OpenCloudOS / openEuler"
-
-    ``` sh
-    cp -rvf /etc/yum.repos.d.bak /etc/yum.repos.d
-    yum makecache
-    ```
-
-    > `Red Hat Enterprise Linux`   `CentOS`   `Rocky Linux`   `AlmaLinux`   `Fedora`   `OpenCloudOS`   `openEuler`
-
-=== "openSUSE"
-
-    ``` sh
-    cp -rvf /etc/zypp/repos.d.bak /etc/zypp/repos.d
-    zypper ref
-    ```
-
-=== "Arch Linux"
-
-    ``` sh
-    cp -rvf /etc/pacman.d/mirrorlist.bak /etc/pacman.d/mirrorlist
-    pacman -Sy
-    ```
-
 ## 其它
 
-  - 如果提示 `bash: /proc/self/fd/11: No such file or directory`，请切换至 `Root` 用户执行，切换命令为 `su root`
+!!! quote ""
+
+    - 如果提示 `bash: /proc/self/fd/11: No such file or directory`，请切换至 `Root` 用户执行，切换命令为 `su root`