После обновления до ubuntu 20.10 от 20.04, которое удаляет freecad при попытке переустановить Freecad, я получаю
building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help resolve the situation:
The following packages have unmet dependencies:
libfreecad-python3-0.18 : Depends: libboost-regex1.71.0-icu66 but it is not installable
E: Unable to correct problems, you have held broken packages.
$ apt-cache policy freecad libfreecad-python3-0.18
Installed: (none)
Candidate: 2:0.18.4+dfsg2~202007252144~ubuntu20.10.1
Version table:
2:0.18.4+dfsg2~202007252144~ubuntu20.10.1 500
500 http://ppa.launchpad.net/freecad-maintainers/freecad-stable/ubuntu groovy/main amd64 Packages
500 http://ppa.launchpad.net/freecad-maintainers/freecad-stable/ubuntu groovy/main i386 Packages
0.18.4+dfsg2-5build1 500
500 http://ca.archive.ubuntu.com/ubuntu groovy/universe amd64 Packages
500 http://ca.archive.ubuntu.com/ubuntu groovy/universe i386 Packages
libfreecad-python3-0.18:
Installed: (none)
Candidate: 2:0.18.4+dfsg2~202007252144~ubuntu20.10.1
Version table:
2:0.18.4+dfsg2~202007252144~ubuntu20.10.1 500
500 http://ppa.launchpad.net/freecad-maintainers/freecad-stable/ubuntu groovy/main amd64 Packages
0.18.4+dfsg2-5build1 500
500 http://ca.archive.ubuntu.com/ubuntu groovy/universe amd64 Packages
Вы должны удалить проблемный PPA с помощью команд ниже:
sudo apt-get install ppa-purge
sudo ppa-purge ppa:freecad-maintainers/freecad-stable
и использовать FreeCAD из официального репозитория by
sudo apt-get install freecad