.github/workflows/check_urls.yml

@@ -31,9 +31,9 @@ jobs:
           sudo apt-get -yqq install wget curl
 
           wg="wget -t 3 -T 30 -nv -O"
-          gi="https://git.io"
           gh="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
           gl="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master"
+          gi="https://git.io"
           vn="https://get.vpnsetup.net"
 
           $wg vpnsetup.sh          "$gi/vpnsetup"
@@ -62,20 +62,14 @@ jobs:
           $wg ikev2setup2.sh        "$gh/extras/ikev2setup.sh"
           $wg ikev2setup3.sh        "$vn/ikev2"
           $wg vpnupgrade2.sh        "$gh/extras/vpnupgrade.sh"
-          $wg vpnupgrade3.sh        "$vn/upg"
+          $wg vpnupgrade3.sh        "$gl/extras/vpnupgrade.sh"
+          $wg vpnupgrade4.sh        "$vn/upg"
           $wg vpnupgrade_centos2.sh "$gh/extras/vpnupgrade_centos.sh"
           $wg vpnupgrade_amzn2.sh   "$gh/extras/vpnupgrade_amzn.sh"
           $wg vpnupgrade_ubuntu2.sh "$gh/extras/vpnupgrade_ubuntu.sh"
           $wg vpnupgrade_alpine2.sh "$gh/extras/vpnupgrade_alpine.sh"
           $wg vpnuninstall2.sh      "$gh/extras/vpnuninstall.sh"
 
-          $wg vpnuninstall.sh     "$vn/unst"
-          $wg ikev2onlymode.sh    "$vn/ikev2only"
-          $wg ikev2changeaddr.sh  "$vn/ikev2addr"
-          $wg add_vpn_user.sh     "$vn/adduser"
-          $wg del_vpn_user.sh     "$vn/deluser"
-          $wg update_vpn_users.sh "$vn/updateusers"
-
           diff vpnsetup.sh          ../vpnsetup.sh
           diff vpnsetup_centos.sh   ../vpnsetup_centos.sh
           diff vpnsetup_amzn.sh     ../vpnsetup_amzn.sh
@@ -103,19 +97,13 @@ jobs:
           diff ikev2setup3.sh        ../extras/ikev2setup.sh
           diff vpnupgrade2.sh        ../extras/vpnupgrade.sh
           diff vpnupgrade3.sh        ../extras/vpnupgrade.sh
+          diff vpnupgrade4.sh        ../extras/vpnupgrade.sh
           diff vpnupgrade_centos2.sh ../extras/vpnupgrade_centos.sh
           diff vpnupgrade_amzn2.sh   ../extras/vpnupgrade_amzn.sh
           diff vpnupgrade_ubuntu2.sh ../extras/vpnupgrade_ubuntu.sh
           diff vpnupgrade_alpine2.sh ../extras/vpnupgrade_alpine.sh
           diff vpnuninstall2.sh      ../extras/vpnuninstall.sh
 
-          diff vpnuninstall.sh     ../extras/vpnuninstall.sh
-          diff ikev2onlymode.sh    ../extras/ikev2onlymode.sh
-          diff ikev2changeaddr.sh  ../extras/ikev2changeaddr.sh
-          diff add_vpn_user.sh     ../extras/add_vpn_user.sh
-          diff del_vpn_user.sh     ../extras/del_vpn_user.sh
-          diff update_vpn_users.sh ../extras/update_vpn_users.sh
-
           url1="https://mirrors.kernel.org/ubuntu/pool/main/n/nss"
           url2="https://mirrors.kernel.org/ubuntu/pool/universe/n/nss"
           deb1="libnss3_3.49.1-1ubuntu1.6_amd64.deb"
@@ -125,3 +113,11 @@ jobs:
           $wg 1.deb "$url1/$deb1"
           $wg 2.deb "$url1/$deb2"
           $wg 3.deb "$url2/$deb3"
+
+          bl="https://bit.ly"
+          curl -fsSI "$bl/addvpnuser"      | grep -q 'add_vpn_user.sh'
+          curl -fsSI "$bl/delvpnuser"      | grep -q 'del_vpn_user.sh'
+          curl -fsSI "$bl/updatevpnusers"  | grep -q 'update_vpn_users.sh'
+          curl -fsSI "$bl/ikev2onlymode"   | grep -q 'ikev2onlymode.sh'
+          curl -fsSI "$bl/ikev2changeaddr" | grep -q 'ikev2changeaddr.sh'
+          curl -fsSI "$bl/vpnuninstall"    | grep -q 'vpnuninstall.sh'

README-zh.md

@@ -233,6 +233,8 @@ wget https://get.vpnsetup.net/upg -qO vpnup.sh && sudo sh vpnup.sh
 或者，你也可以使用以下命令。
 </summary>
 
+或者，你也可以使用这个链接：
+
 ```bash
 wget https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -qO vpnup.sh && sudo sh vpnup.sh
 ```

README.md

@@ -233,6 +233,8 @@ wget https://get.vpnsetup.net/upg -qO vpnup.sh && sudo sh vpnup.sh
 Alternative one-liner.
 </summary>
 
+Alternative update URL:
+
 ```bash
 wget https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -qO vpnup.sh && sudo sh vpnup.sh
 ```

docs/advanced-usage-zh.md

@@ -44,7 +44,7 @@ sudo VPN_DNS_NAME='vpn.example.com' ikev2.sh --auto
 
 ```bash
 # 下载脚本
-wget -nv -O ikev2onlymode.sh https://get.vpnsetup.net/ikev2only
+wget -nv -O ikev2onlymode.sh https://bit.ly/ikev2onlymode
 # 运行脚本并按提示操作
 sudo bash ikev2onlymode.sh
 ```

docs/advanced-usage.md

@@ -44,7 +44,7 @@ To enable IKEv2-only mode, first install the VPN server and set up IKEv2 using i
 
 ```bash
 # Download the script
-wget -nv -O ikev2onlymode.sh https://get.vpnsetup.net/ikev2only
+wget -nv -O ikev2onlymode.sh https://bit.ly/ikev2onlymode
 # Run the script and follow the prompts
 sudo bash ikev2onlymode.sh
 ```

docs/ikev2-howto-zh.md

@@ -764,7 +764,7 @@ REG ADD HKLM\SYSTEM\CurrentControlSet\Services\RasMan\Parameters /v NegotiateDH2
 
 ```bash
 # 下载脚本
-wget -nv -O ikev2changeaddr.sh https://get.vpnsetup.net/ikev2addr
+wget -nv -O ikev2changeaddr.sh https://bit.ly/ikev2changeaddr
 # 运行脚本并按照提示操作
 sudo bash ikev2changeaddr.sh
 ```

docs/ikev2-howto.md

@@ -766,7 +766,7 @@ To change the server address, run this [helper script](../extras/ikev2changeaddr
 
 ```bash
 # Download the script
-wget -nv -O ikev2changeaddr.sh https://get.vpnsetup.net/ikev2addr
+wget -nv -O ikev2changeaddr.sh https://bit.ly/ikev2changeaddr
 # Run the script and follow the prompts
 sudo bash ikev2changeaddr.sh
 ```

docs/manage-users-zh.md

@@ -35,7 +35,7 @@ sudo addvpnuser.sh
 如果你使用了较早版本的 VPN 安装脚本，这是正常的。首先下载辅助脚本：
 
 ```bash
-wget -nv -O /opt/src/addvpnuser.sh https://get.vpnsetup.net/adduser
+wget -nv -O /opt/src/addvpnuser.sh https://bit.ly/addvpnuser
 chmod +x /opt/src/addvpnuser.sh && ln -s /opt/src/addvpnuser.sh /usr/bin
 ```
 
@@ -70,7 +70,7 @@ sudo delvpnuser.sh
 如果你使用了较早版本的 VPN 安装脚本，这是正常的。首先下载辅助脚本：
 
 ```bash
-wget -nv -O /opt/src/delvpnuser.sh https://get.vpnsetup.net/deluser
+wget -nv -O /opt/src/delvpnuser.sh https://bit.ly/delvpnuser
 chmod +x /opt/src/delvpnuser.sh && ln -s /opt/src/delvpnuser.sh /usr/bin
 ```
 
@@ -92,7 +92,7 @@ sudo delvpnuser.sh '要删除的用户名'
 首先下载脚本：
 
 ```bash
-wget -nv -O updatevpnusers.sh https://get.vpnsetup.net/updateusers
+wget -nv -O updatevpnusers.sh https://bit.ly/updatevpnusers
 ```
 
 要使用这个脚本，从以下选项中选择一个：

docs/manage-users.md

@@ -35,7 +35,7 @@ Error: "sudo: addvpnuser.sh: command not found".
 This is normal if you used an older version of the VPN setup script. First, download the helper script:
 
 ```bash
-wget -nv -O /opt/src/addvpnuser.sh https://get.vpnsetup.net/adduser
+wget -nv -O /opt/src/addvpnuser.sh https://bit.ly/addvpnuser
 chmod +x /opt/src/addvpnuser.sh && ln -s /opt/src/addvpnuser.sh /usr/bin
 ```
 
@@ -70,7 +70,7 @@ Error: "sudo: delvpnuser.sh: command not found".
 This is normal if you used an older version of the VPN setup script. First, download the helper script:
 
 ```bash
-wget -nv -O /opt/src/delvpnuser.sh https://get.vpnsetup.net/deluser
+wget -nv -O /opt/src/delvpnuser.sh https://bit.ly/delvpnuser
 chmod +x /opt/src/delvpnuser.sh && ln -s /opt/src/delvpnuser.sh /usr/bin
 ```
 
@@ -92,7 +92,7 @@ Remove all existing VPN users and replace with the list of users you specify.
 First, download the script:
 
 ```bash
-wget -nv -O updatevpnusers.sh https://get.vpnsetup.net/updateusers
+wget -nv -O updatevpnusers.sh https://bit.ly/updatevpnusers
 ```
 
 To use this script, choose one of the following options:

docs/uninstall-zh.md

@@ -10,21 +10,10 @@
 **警告：** 此[辅助脚本](../extras/vpnuninstall.sh)将从你的服务器中删除 IPsec VPN。所有的 VPN 配置将被**永久删除**，并且 Libreswan 和 xl2tpd 将被移除。此操作**不可撤销**！
 
 ```bash
-wget -nv -O vpnunst.sh https://get.vpnsetup.net/unst
+wget -nv -O vpnunst.sh https://bit.ly/vpnuninstall
 sudo bash vpnunst.sh
 ```
 
-<details>
-<summary>
-或者，你也可以使用以下命令。
-</summary>
-
-```bash
-wget -nv -O vpnunst.sh https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
-sudo bash vpnunst.sh
-```
-</details>
-
 在完成后重启你的服务器。
 
 ## 手动卸载 VPN

docs/uninstall.md

@@ -10,21 +10,10 @@
 **Warning:** This [helper script](../extras/vpnuninstall.sh) will remove IPsec VPN from your server. All VPN configuration will be **permanently deleted**, and Libreswan and xl2tpd will be removed. This **cannot be undone**!
 
 ```bash
-wget -nv -O vpnunst.sh https://get.vpnsetup.net/unst
+wget -nv -O vpnunst.sh https://bit.ly/vpnuninstall
 sudo bash vpnunst.sh
 ```
 
-<details>
-<summary>
-Alternative script URL.
-</summary>
-
-```bash
-wget -nv -O vpnunst.sh https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
-sudo bash vpnunst.sh
-```
-</details>
-
 When finished, reboot your server.
 
 ## Manually uninstall the VPN