Unless you specifically installed the jdk package it'll give the appropriate error indicating. To run it, just go to the folder with the eclipse files and run: $. Opening a package without specifying a folder will create a folder off the Downloads directory. By default files are downloaded to the ~/Downloads folder. I inferred the latter because your message said you can't find it. You'll most likely see yours in an area such as: /home/username/Downloads//opt/eclipse/eclipse-jee-neon-M5-linux-gtk-x86_64/eclipse In my case I have moved my root eclipse directory to the folder /opt to make it available to other users who logs into the system, instead of my personal space. I highlighted in bold the part that you will most likely see. opt/eclipse/ eclipse-jee-neon-M5-linux-gtk-x86_64/eclipse The results will be something similar to: You can run this command to locate the the folder: $ locate -r 'neon.*/eclipse$' It can be run from the directory where you unpacked it.
Since you mentioned you have Neon (the latest release (officially available at ), the package doesn't require an install. The current repository version of Eclipse is 3.8 (Juno).
