安装Postman shell脚本install-postman.sh：
#!/bin/bash
cd /tmp || exit
echo "Downloading Postman ..."
wget -q https://dl.pstmn.io/download/latest/linux?arch=64 -O postman.tar.gz
tar -xzf postman.tar.gz
rm postman.tar.gz
echo "Installing to opt..."
if [ -d "/opt/Postman" ];then
sudo rm -rf /opt/Postman
fi
sudo mv Postman /opt/Postman
echo "Creating symbolic link..."
if [ -L "/usr/bin/postman" ];then
sudo rm -f /usr/bin/postman
fi
sudo ln -s /opt/Postman/Postman /usr/bin/postman
echo "Installation completed successfully."
Postman.desktop文件：
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=postman
Icon=/opt/Postman/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;