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How To Fix “W: GPG error NO_PUBKEY” In Ubuntu

Hey Guys,

In this tutorial, we are going to fix the error message shown below after running sudo apt-get update :

sudo apt-get update

sudo apt - get update

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 52B709720F164EEB

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 52B709720F164EEB

NOPUBKEY-1

This because mostly because you have added some PPAs to your system. We are going to fix this with WEBUPD8′s “ Y PPA

Install Y-PPA

sudo add-apt-repository ppa:webupd8team/y-ppa-manager

sudo add - apt - repository ppa : webupd8team / y - ppa - manager

sudo apt-get update

sudo apt - get update

sudo apt-get install y-ppa-manager

sudo apt - get install y - ppa - manager

Launch Y PPA from dash OR terminal:

Select “ Advanced .”

YPPA-2

Select “ Try to import all missing GPG keys ” from the window that appears as shown below:

YPPA-3

Wait for some few minutes and you’re done.

Re-run:

sudo apt-get update

sudo apt - get update

YPPA-CHECK

Enjoy!

via: http://www.unixmen.com/fix-w-gpg-error-no_pubkey-ubuntu/

转载请注明:林志斌 » How To Fix “W: GPG error NO_PUBKEY” In Ubuntu

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