update command not working

[Goten87]

im thing to update some of my containers and there is a update command for it but when i use that i get a curl: (6) Could not resolve host: raw.githubusercontent.com error is there something i need to change i have it on all my containers only thing that changes is the number somethime also have seen curl: (22)

if u just put in the command to update it works normaaly

[michelroegl-brunner]

Curl errors indicate a network issue: could not resolve host usually means the container can not resolve the domain name to a IP. So check your network settings.

[Goten87]

But is it not wierd that the old wget from the website works without issues