apt-get update returns- There is no public key available

[technomancer]

It seems to pop up now and again..
example: https://www.linuxliteos.com/forums/linux-lite-software-development/update-checker/msg21846/#msg21846

 

Yes it seems it does, I guess it is an issue with Ubuntu.

[firenice03]

It seems to pop up now and again..
example: https://www.linuxliteos.com/forums/linux-lite-software-development/update-checker/msg21846/#msg21846

 

[technomancer]

5-3-2016
I recently ran into an issue when i ran

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sudo apt-get update
 i have this error-

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Fetched 67.2 kB in 11s (6,040 B/s)                                             
Reading package lists... Done
W: There is no public key available for the following key IDs:
1397BC53640DB551
The resolution in case anyone runs into it is-

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sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 1397BC53640DB551
Found here-  http://askubuntu.com/questions/766883/there-is-no-public-key-available-for-the-following-key-ids

After run update again and all should be well.