Could not resolve 'de.archive.ubuntu.com' The could not resolve is in dead misleading in this case. Fact is, this mirror has no IPv6 Address: host de.archive.ubuntu.com de.archive.ubuntu.com is an alias for ubuntu.mirror.tudos.de. ubuntu.mirror.tudos.de has address 141.30.62.26 ubuntu.mirror.tudos ...

Florian wrote: ↑Tue 4. Jun 2024, 11:29 Hallo,

check the DNS resolving on your machine

The DNS are fine but it seems that Ubuntu doesnt not support ipv6 in their repo

https://ready.chair6.net/?url=+http%3A% ... ubuntu.com

https://community.keyhelp.de/search.php?keywords=IPv6+only&terms=all&author=&sc=1&sf=all&sr=posts&sk=t&sd=d&st=0&ch=300&t=0&submit=Suche You are about to install KeyHelp. Running system checks... Installing certificates... Installing PHP... W: Failed to fetch http://de.archive.ubuntu.com/ubuntu ...

Dear KeyHelp

Does keyhelp support Ipv6 only installation ? & Do you have Ipv6 Only Repositories ?

Thanks