apt install more than one version, how to remove repos?

[robert rottermann]

Hi friends


I was playing around on my ubuntu groovy, and tried to install some dell modules 
that exist for focal.

Tis is what I have done:

sudo sh -c 'cat > /etc/apt/sources.list.d/focal-dell.list << EOF
deb http://dell.archive.canonical.com/updates/ focal-dell public
# deb-src http://dell.archive.canonical.com/updates/ focal-dell public
deb http://dell.archive.canonical.com/updates/ focal-oem public
# deb-src http://dell.archive.canonical.com/updates/ focal-oem public
deb http://dell.archive.canonical.com/updates/ focal-somerville public
# deb-src http://dell.archive.canonical.com/updates/ focal-somerville public
deb http://dell.archive.canonical.com/updates/ focal-somerville-melisa public
# deb-src http://dell.archive.canonical.com/updates focal-somerville-melisa public
EOF'

Now I have a broken pakage (node.js).

When I try to fix it with:

root at kappi3:/etc/apt# apt --fix-broken install

I get:

The following additional packages will be installed:
   nodejs
The following packages will be upgraded:
   nodejs
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/18.3 MB of archives.
After this operation, 93.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 244037 files and directories currently installed.)
Preparing to unpack .../nodejs_12.19.0-deb-1nodesource1_amd64.deb ...
Unpacking nodejs (12.19.0-deb-1nodesource1) over (12.18.2~dfsg-1ubuntu2) ...
dpkg: error processing archive 
/var/cache/apt/archives/nodejs_12.19.0-deb-1nodesource1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/doc/nodejs/api/perf_hooks.html', which is also 
in package nodejs-doc 12.18.2~dfsg-1ubuntu2
dpkg-deb: error: paste subprocess was killed by signal (Broken pipe)
Errors were encountered while processing:
  /var/cache/apt/archives/nodejs_12.19.0-deb-1nodesource1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)


I already tried to remove the enties I added from /etc/apt

but it did not help.


thanks for yor support

robert



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