is about general problem with connection to some ubuntu servers: archive.ubuntu.com (91.189.88.149), cz.archive.ubuntu.com (91.189.88.31)
this work fine: us.archive.ubuntu.com (91.189.91.26), sk.archive.ubuntu.com (46.229.224.72) also is problem for example with non-repository servers: keyserver.ubuntu.com (162.213.33.8), packages.ubuntu.com (91.189.94.37) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838643 Title: nevím To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1838643/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs