install/update IntelliJ IC(Idea

First import and export settings

Linux:

1. Unpack the ideaIC.gz or ideaIU.gz file you have downloaded to a different folder if your current Downloads folder doesn't support file execution. There are two options which you just need choose one.
   Option 1: install location at, like home directory

$ tar xfz ideaIC.tar.gz -C /home/chong

Option 2: the recommended install location according to the filesystem hierarchy standard (FHS) is /opt. For example, it's possible to enter the following command:

$ sudo tar xfz ideaIC-*.tar.gz -C /opt/

2. Switch to the bin directory, for example:

$ cd /opt/-*/bin

3. Run idea.sh from the bin subdirectory.

$ bash /opt/idea-*/bin/idea.sh

4. Add Lock to Launcher

Installation recommendation dir, then might want to check this out for your idea icon:

image.png

ref:
update-launcher-for-intellij-idea-in-ubuntu
install-and-set-up-product.html

Or check this article easily update/upgrade IDE without privilege problem
Install Postman and IntelliJ PyCharm/Idea Easily Ubuntu 16.04LTS