将*.decktop文件在/usr/share/applications/
decktop示例：
[Desktop Entry] Name=IntelliJ IDEA Comment=IntelliJ IDEA IDE Exec=/home/nufail/apps/idea-IC-107.587/bin/idea.sh Icon=/home/nufail/apps/idea-IC-107.587/bin/idea_CE128.png Terminal=false StartupNotify=true Type=Application Categories=Development;IDE;
原文：https://www.cnblogs.com/zjazn/p/14789332.html