Force Apt-Get to use IPv4 or IPv6 on Ubuntu or Debian
Recently I transitioned my home network to dual-stack IPv4
/ IPv6
and I noticed a strange issue on a number of my Debian-running servers: some of the apt
updates were unable to complete. The issue seems to be lying in some of my (official) Debian sources being un-accessible via IPv6
.
To resolve this, I edited a file:
sudo nano /etc/apt/apt.conf.d/99force-ipv4
I added the following line:
Acquire::ForceIPv4 "true";
After that I ran an apt update
:
sudo apt update && sudo apt -y upgrade
This resolved my issue with IPv6
and Debian apt
sources.
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