Re: force apt (apt-get) to use ipv4

[Georgi Naplatanov <gosho@oles.biz>]

On 8/20/20 4:53 PM, 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?
> 
> Bonno Bloksma
> 

Hi,

if you use network manager try to disable IPv6 through GUI.

if your network interface is configured with /etc/network/interfaces
just remove IPv6 configuration.

HTH

Kind regards
Georgi