[Cin] Problem installing under Ubuntu 20.04

Mike Squires michael.leslie.squires at gmail.com
Tue Jun 23 19:59:15 CEST 2020

I followed the instructions, as I understood them, and had an error.

I first executed

sudo apt install software-properties-common apt-transport-https
sudo apt update


mikes at studio1:~$ sudo apt-add-repository 
Hit:1 http://us.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:3 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease
Ign:5 https://cinelerra-gg.org/download/pkgs/ub20 focal InRelease
Err:6 https://cinelerra-gg.org/download/pkgs/ub20 focal Release
   404  Not Found [IP: 443]
Reading package lists... Done
E: The repository 'https://cinelerra-gg.org/download/pkgs/ub20 focal 
Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is 
therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user 
configuration details.

I've been able to compile by downloading source and then compiling 
locally, but had to rebuild the system in order to solve a problem with 

I'm still at the experimenting stage, so this is not a major problem.


Michael L. Squires, Ph.D., M.P.A.
546 North Park Ridge Road
Bloomington, IN 47408
Known in the SCA as Alan Culross, KSCA, OP, etc.
"Michael Leslie Squires" on FB
Home phone: 812-333-6564
Cell phone: 812-369-5232
www.siralan.org (personal) or
www.smithgreensound.com (PA)
UN*X at home since 1985

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