Linux Download gz file and install

dbeaver ubuntu snap store

# filename
/home/vivek/.local/share/applications/dbeaver.desktop

[Desktop Entry]                                                           
Encoding=UTF-8
Name=dbeaver
Exec=/snap/dbeaver-ce/89/usr/share/dbeaver/dbeaver
Icon=/snap/dbeaver-ce/89/usr/share/dbeaver/dbeaver.png
Terminal=false
Type=Application
Categories=Development;

Linux Download gz file and install

# remove previously install one
sudo rm -rf /opt/Postman/

# extract file and put into opt dir
sudo tar xvf Postman-<your version>.tar.gz -C /opt/

# Link the excutable 
sudo ln -sf /opt/Postman/app/Postman /usr/bin/postman

# create file postman.desktop
nano ~/.local/share/applications/postman.desktop

# write content
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=/usr/bin/postman
Icon=/opt/Postman/app/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;

postman ubuntu snap store

# filename
/home/vivek/.local/share/applications/postman.desktop

[Desktop Entry]                                                                                                                       
Encoding=UTF-8
Name=Postman
Exec=/snap/postman/122/usr/share/Postman/Postman
Icon=/snap/postman/122/usr/share/Postman/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;

vscode snap store

  [Desktop Entry]                                                                                                                           
  Encoding=UTF-8    
  Name=VScode    
  Exec=code    
  Icon=/snap/code/50/snap/gui/com.visualstudio.code.png    
  Terminal=false    
  Type=Application    
  Categories=Development;

i installed postman and dbeaver from ubuntu snapstore, when i update all package it suddenly disappear, because i did some mistakes i tried to upgrade my ubuntu in the earlier stage.
the application is uninstalled only the icon was removed, so i create the file to show the application in the search and menu