On 5/12/2019 3:46 AM, Erik Josefsson wrote: > I have successfully put the [5 May Teres image] on three SD cards and > all is fine (well, as far as that the exploration of the box-add-gui > option goes), except that it seems only one of the SD cards can > sometimes connect to deb.debian.org when I do sudo apt update. > > The other two say "Could not resolve 'deb.debian.org'", every time i try. > > The old hp laptop that is about to break down does sudo apt update > without complaining. > > The three SD cards should be identical. > > Can there be a limit on the server deb.debian.org on how many times I > can ask it for data? >
Could be but looks to me like it is a network issue on your end. > Can there be a limit on my wifi router? > Could be, did you modify the router configuration? > Are the SD cards not identical after all? If not, where do I look for a > difference that could explain the difference between how they work when > doing apt update? > How do you know/insure that they are identical and is one of the card working properly? If no, focus on one card first then clone it! :) Look in '/etc/resolf.conf'. > Server response looks like this: > > debian@box:~$ sudo apt update > Err:1 http://deb.debian.org/debian buster InRelease > Could not resolve 'deb.debian.org' > Err:2 http://deb.debian.org/debian buster-updates InRelease > Could not resolve 'deb.debian.org' > Err:3 http://security.debian.org/debian-security buster/updates InRelease > Could not resolve 'security.debian.org' > > The same command of course works perfectly fine when I connect the Teres > laptop directly to the internet with an ethernet cable (through USB). > If bypassing your wireless router works, some hints to look at: - Is the issue manifesting itself through wired and wireless connection? - Does rebooting the router helps? - What "DNS" addresses is the router dishing out to clients? - Is the router getting DNS addresses from upstream (ISP ...)? - Resetting your router to factory defaults (after the reset try with a cable to test that everything is working as it should, then work from there)? -- John Doe
