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I have a freshly installed XUbuntu 20.04.3 and I wanted to install support for running i386 programs by running:

sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386

(as stated at Installing 32-bit libraries on Ubuntu 14.04 LTS 64-bit )

The command 'install' tells me that it will remove tons of packages (alphabetically starting with accountsservice acl acpi-support acpid adduser adwaita-icon-theme alsa-base alsa-utils anacron apparmor apport) also with message "WARNING: The following essential packages will be removed." with packages like 'apt adduser' and so on.

My question is - why does this happen? What is going on? I did not have that problem on my previous Ubuntu's.

How to avoid removing essential packages and be able to run i386 programs?

MiroJanosik
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  • Hi, sorry for incorrect version in the topic. It is LTS 20.04.3 – MiroJanosik Sep 02 '21 at 13:58
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    This answer was posted for 19.04, I am not sure if it will fix your issue but it's definitely related. https://askubuntu.com/questions/1161373/struggling-to-install-i386-packages-on-ubuntu-19-04?rq=1 –  Sep 02 '21 at 16:14
  • Well it seems to be right! I had previously changed my 'Software&updates' settings 'Updates' tab setting "For other packages, subscribe to = Security updates only"; after setting this to "All updates" the installation works without any trouble! Thanks, I'm going to write this as an answer (or you can too). – MiroJanosik Sep 02 '21 at 19:37
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    Does this answer your question? How do I restore the default repositories? – N0rbert Sep 02 '21 at 19:38

1 Answers1

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T Br https://askubuntu.com/users/1383491/t-br had a great lead to the answer - Struggling to install i386 packages on Ubuntu 19.04

I had previously changed my 'Software&updates' settings 'Updates' tab setting "For other packages, subscribe to = Security updates only"; after setting this to "All updates" the situation is fixed and installation works without any trouble!

Installer warning messages were confusing me, I did not think that the setting could lead to such situation.

MiroJanosik
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