Installer hang when installing Matlab R2021b as root on Ubuntu 20.04

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My operating system is Ubuntu 20.04 LTS. I must install Matalb as root, and always have done. This is historic as all specialist programs are installed in /opt.
I have now downloaded MATLAB R2021b and the Installer hang when installing Matlab R2021b as root on Ubuntu 20.04, the command sudo ./install just hangs with a blinking cursor, no Matlab install GUI is displayed.
As first attempted solution I have created a MATLAB/R2021b folder in /opt, that did not help.
I have also tried to install R2021b normally with defaults but although now I progress nicely to the Matlab GUI, but the default location /usr/local/MATLAB/R2021b cannot created/located and then I have to aboard.
I have always had to install MATLAB as root.
Any advice on getting the MATLAB install GUI to display on Ubuntu R2021b will be appreciated.
Thank you
  16 Comments
Favia
Favia on 3 May 2023
Hey guys! After I did the solution given by Step, I still get a message that says not found. Any solution for that?

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Accepted Answer

El'ad Gips
El'ad Gips on 30 Sep 2021
this tip:
(run the command : xhost +SI:localuser:root)
and after
sudo ./install
worked for me (matlab 21b and ubuntu 20.04)
  20 Comments
Tiago
Tiago on 19 Jul 2022
Thank you! It works for me in Ubuntu 20.04.4 LTS and Matlab R2022a.

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More Answers (2)

Atefeh Fazel Najafabadi
Atefeh Fazel Najafabadi on 7 Dec 2021
worked for me on Ubuntu 18.04

Daniel Brennan
Daniel Brennan on 12 Nov 2023
Edited: Daniel Brennan on 12 Nov 2023
I encountered the same problem with the installer hanging and unresponsive on a gentoo variant linux OS. For me the problem was related to incompatibilities with the system installed libsqlite3.so.0 library.
I discovered the problem by manually running the <installer_dir>/bin/glnxa64/MATLABWindow in a terminal. Running MATLABWindow manually resulted in the following error message echoed in the terminal:
libsqlite3.so.0: Undefined Symbol: ubrk_open
This error is due to an incompatibility with the system libsqlite3.so.0 library support for icu (Internationalization Components for Unicode) and the Matlab installer. The matlab installer apparently requires dev-libs/icu v69 or later. My system has v67.
The solution is to force the installer to use Matlab's builtin libicu support. For a source based distro simply recompile sqllite without icu support. On a binary distro, you may be able to temproarily remove the executable bit (chmod -x) on the icu libs in your system library directory, install matlab, and then restore the executable bit back on the icu libs after installation.
  1 Comment
Daniel Brennan
Daniel Brennan on 12 Nov 2023
Running:
ldd <installer-dir>/bin/glnxa64/MATLABWindow
will identify what shared libraries are being used and help identify any problematic libraries.

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