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apt-get update returns:

W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D46F45428842CE5E

i've tried:

sudo apt-get clean
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D46F45428842CE5E

also tried the fix for bug 1263540, all without success.

fairly new to ubuntu too.

Any ideas?

muru
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lsaw
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1 Answers1

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Found this server for this key but unfortunately seems down.

apt-key adv --keyserver hkp://subkeys.pgp.net --recv-keys D46F45428842CE5E

At least try this: Try to import all missing GPG keys

Community
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Marko
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  • when trying to add the webupd8 repository i get this error: 'gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP' – lsaw Jul 26 '15 at 21:43
  • Try ON YOUR OWN! : mkdir temp then use sudo mv /usr/local/lib/libreadline* temp. Now sudo ldconfig and finally sudo apt-get update. Use this with care and if something goes wrong please post new question. – Marko Jul 28 '15 at 14:10
  • Thanks for that, though still getting original error. – lsaw Aug 04 '15 at 16:55