gpg: no valid OpenPGP data found. - when updating

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1

when im updating syncthing im getting this error. i read this post http://ubuntuforums.org/showthread.php?t=2196704 of how to add key. but i cant find any syncthing key hash. someone face this before?

2

Please refer to these instructions: https://apt.syncthing.net/

1 Like
3

I still have the same error. There is any other way to save the key?

4

How did you install Syncthing?

Did you install it with Ubuntu (for example, with apt-get), or did you download it from syncthing.net?

5

Please post the exact commands you ran, and the exact output you say.

6

some how i managed to install it from this guide.

here is the prompts. when i sudo apt-get update.

Hit http://ports.ubuntu.com trusty/multiverse Translation-en
Hit http://ports.ubuntu.com trusty/restricted Translation-en
Hit http://ports.ubuntu.com trusty/universe Translation-en
Ign http://ports.ubuntu.com trusty/main Translation-en_US
Ign http://ports.ubuntu.com trusty/multiverse Translation-en_US
Ign http://ports.ubuntu.com trusty/restricted Translation-en_US
Ign http://ports.ubuntu.com trusty/universe Translation-en_US
Fetched 2,917 kB in 24s (119 kB/s)
Reading package lists... Done
W: GPG error: http://apt.syncthing.net syncthing InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2B9FAE4C37C86D31
orangepi@OrangePI:~$

when i trying to add the key as the guide says.

orangepi@OrangePI:~$ curl -s https://syncthing.net/release-key.txt | sudo apt-key add -
gpg: no valid OpenPGP data found.
orangepi@OrangePI:~$

thanks.

7

What is the output of curl -s https://syncthing.net/release-key.txt on its own?

8

i think i managed to solve it. i tried the following

gpg --keyserver subkeys.pgp.net --recv-keys 2B9FAE4C37C86D31 (this is what the error message show)

gpg --export --armor 2B9FAE4C37C86D31|sudo apt-key add -

then when im doing update syncthing version change only when im doing reinstall like sudo apt-get install syncthing

is it should be like that?.

9

Can you answer canton7’s question about the output of the curl command? That should work, and something isn’t right if it doesn’t work.

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orangepi@OrangePI:~$ curl  -s https://syncthing.net/release-key.txt
orangepi@OrangePI:~$
11

I think your curl is broken somehow…

12

Indeed, that command should print a PGP public key to stdout.

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