Cleanup

- Update scripts to use bash instead of sh
- Update docs

Author: hwdsl2

docs/manage-users-zh.md

@@ -58,9 +58,9 @@ wget -O add_vpn_user.sh https://bit.ly/addvpnuser
 ```bash
 # 所有变量值必须用 '单引号' 括起来
 # *不要* 在值中使用这些字符：  \ " '
-sudo sh add_vpn_user.sh '要添加的用户名' '密码'
+sudo bash add_vpn_user.sh '要添加的用户名' '密码'
 # 或者
-sudo sh add_vpn_user.sh '要更新的用户名' '新密码'
+sudo bash add_vpn_user.sh '要更新的用户名' '新密码'
 ```
 
 ### 删除一个 VPN 用户
@@ -75,7 +75,7 @@ wget -O del_vpn_user.sh https://bit.ly/delvpnuser
 ```bash
 # 所有变量值必须用 '单引号' 括起来
 # *不要* 在值中使用这些字符：  \ " '
-sudo sh del_vpn_user.sh '要删除的用户名'
+sudo bash del_vpn_user.sh '要删除的用户名'
 ```
 
 ### 更新所有的 VPN 用户
@@ -96,7 +96,7 @@ wget -O update_vpn_users.sh https://bit.ly/updatevpnusers
 ```bash
 nano -w update_vpn_users.sh
 [替换为你自己的值： YOUR_USERNAMES 和 YOUR_PASSWORDS]
-sudo sh update_vpn_users.sh
+sudo bash update_vpn_users.sh
 ```
 
 **选项 2:** 将 VPN 用户信息定义为环境变量：
@@ -108,7 +108,7 @@ sudo sh update_vpn_users.sh
 sudo \
 VPN_USERS='用户名1 用户名2 ...' \
 VPN_PASSWORDS='密码1 密码2 ...' \
-sh update_vpn_users.sh
+bash update_vpn_users.sh
 ```
 
 ## 手动管理 VPN 用户

docs/manage-users.md

@@ -58,9 +58,9 @@ wget -O add_vpn_user.sh https://bit.ly/addvpnuser
 ```bash
 # All values MUST be placed inside 'single quotes'
 # DO NOT use these special characters within values: \ " '
-sudo sh add_vpn_user.sh 'username_to_add' 'password'
+sudo bash add_vpn_user.sh 'username_to_add' 'password'
 # OR
-sudo sh add_vpn_user.sh 'username_to_update' 'new_password'
+sudo bash add_vpn_user.sh 'username_to_update' 'new_password'
 ```
 
 ### Delete a VPN user
@@ -75,7 +75,7 @@ wget -O del_vpn_user.sh https://bit.ly/delvpnuser
 ```bash
 # All values MUST be placed inside 'single quotes'
 # DO NOT use these special characters within values: \ " '
-sudo sh del_vpn_user.sh 'username_to_delete'
+sudo bash del_vpn_user.sh 'username_to_delete'
 ```
 
 ### Update all VPN users
@@ -96,7 +96,7 @@ To use this script, choose one of the following options:
 ```bash
 nano -w update_vpn_users.sh
 [Replace with your own values: YOUR_USERNAMES and YOUR_PASSWORDS]
-sudo sh update_vpn_users.sh
+sudo bash update_vpn_users.sh
 ```
 
 **Option 2:** Define VPN user details as environment variables:
@@ -108,7 +108,7 @@ sudo sh update_vpn_users.sh
 sudo \
 VPN_USERS='username1 username2 ...' \
 VPN_PASSWORDS='password1 password2 ...' \
-sh update_vpn_users.sh
+bash update_vpn_users.sh
 ```
 
 ## Manually manage VPN users

extras/add_vpn_user.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script to add/update a VPN user for both IPsec/L2TP and Cisco IPsec
 #

extras/del_vpn_user.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script to delete a VPN user for both IPsec/L2TP and Cisco IPsec
 #

extras/update_vpn_users.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script to update VPN users for both IPsec/L2TP and Cisco IPsec
 #

extras/vpnupgrade_amzn.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script to update Libreswan on Amazon Linux 2
 #

extras/vpnupgrade_centos.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script to update Libreswan on CentOS and RHEL
 #

extras/vpnupgrade_ubuntu.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script to update Libreswan on Ubuntu and Debian
 #

vpnsetup_amzn.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script for automatic setup of an IPsec VPN server on Amazon Linux 2
 # Works on any dedicated server or virtual private server (VPS)

vpnsetup_centos.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script for automatic setup of an IPsec VPN server on CentOS and RHEL
 # Works on any dedicated server or virtual private server (VPS)

vpnsetup_ubuntu.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Script for automatic setup of an IPsec VPN server on Ubuntu and Debian
 # Works on any dedicated server or virtual private server (VPS)