On Thu, Aug 20, 2020 at 01:53:00PM +0000, Bonno Bloksma wrote: > Hi, > > I know I have a problem with ipv6 on one machine where ipv6 is enabled but > cannot reach outside the local network and ipv4 has a proper working network > connection to the outside world. > > Trying to get apt (or apt-get) to update results in : > Ign:1 http://ftp.nl.debian.org/debian stretch InRelease > Ign:2 http://ftp.nl.debian.org/debian stretch-updates InRelease > Err:3 http://ftp.nl.debian.org/debian stretch Release > Cannot initiate the connection to ftp.nl.debian.org:80 > (2001:67c:2564:a120::21). - connect (101: Network is unreachable) [IP: > 2001:67c:2564:a120::21 80] > Err:4 http://ftp.nl.debian.org/debian stretch-updates Release > Cannot initiate the connection to ftp.nl.debian.org:80 > (2001:67c:2564:a120::21). - connect (101: Network is unreachable) [IP: > 2001:67c:2564:a120::21 80] > [...] > Etc. > > How can I force apt and apt-get to use IPv4 to update my Debian softwarem of > this machine? > Set the ForceIPv4 option. Check apt.conf for the different ways you can specify this (depending on how "permanent" you want it to be).
Regards, -Roberto -- Roberto C. Sánchez