i can ping succesfully - but app store not working and updates of os can’t be check
umbrel-1706311351013.log (271.3 KB)
here is log
Hey @lopolop2223 welcome to the community!
I took a look at your log and here is what I found.
- Certificate errors that caused your apps to disappear
umbrel umbreld[693]: [appstore ] [error] Failed to update https://github.com/getumbrel/umbrel-apps.git: certificate is not yet valid - Certificate errors were likely caused because the time on your device is incorrect
- The dates on logs agree
Jan 26 22:x:xwhich is obviously wrong - Time is out of sync because your device failed to update it’s time:
umbrel systemd-timesyncd[275]: Timed out waiting for reply from 162.159.200.123:123 (time.cloudflare.com)..
I can see maybe you were playing with the network manager and npt
umbrel sudo[26199]: umbrel : TTY=pts/1 ; PWD=/home/umbrel ; USER=root ; COMMAND=/usr/bin/systemctl restart NetworkManager
Maybe lets start with why your machine cannot reach the cloudflare time server? Can you ping time.cloudflare.com from the same network or from your server itself?
Can you please try to restart ntp again then capture the log output
sudo systemctl restart ntp
sudo journalctl -u ntpsec
Can you also try to get a log of the timesyncd output too
sudo journalctl -u systemd-timesyncd
i have found solution
sudo apt-get install ntpdate
sudo ntpdate -u time.cloudflare.com
sudo systemctl restart ntp
that have senhonize time and solve issue
yes, i alsedy did it tks for help will mark u as a solver 
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Awesome! Glad you got that figured out.
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