Err:2 focal-updates/main amd64 libc-dev-bin amd64 2.31-0ubuntu9.2; Temporary failure resolving ''

9 points
Asked by:

Last time when I was making update for my Ubuntu 20.04 I got the following problem:

Err:2 focal-updates/main amd64 libc-dev-bin amd64 2.31-0ubuntu9.2                                                                                                     
  Temporary failure resolving ''

The strange thing is the link is working.

Any idea?

1 answer
10 points
Answered by:

I had the same problem. There was a problem with the server. In my case, the solution was to remove pl. from URL from /etc/apt/sources.list files.

Edit apt source list with:

sudo nano /etc/apt/sources.list

And replace:


deb focal main restricted


deb focal main restricted
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