Ubuntu 14.04: NO_PUBKEY : Error

Ubuntu 14.04: Error

The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY

When doing sudo apt update – encountered this error

Get:65 http://sg.archive.ubuntu.com trusty/restricted i386 Packages [13.4 kB]
Get:66 http://sg.archive.ubuntu.com trusty/universe i386 Packages [5866 kB]
Get:67 http://sg.archive.ubuntu.com trusty/multiverse i386 Packages [134 kB]
Get:68 http://sg.archive.ubuntu.com trusty/main Translation-en [762 kB]
Get:69 http://sg.archive.ubuntu.com trusty/multiverse Translation-en [102 kB]
Get:70 http://sg.archive.ubuntu.com trusty/restricted Translation-en [3457 B]
Get:71 http://sg.archive.ubuntu.com trusty/universe Translation-en [4089 kB]
Fetched 34.5 MB in 22s (1566 kB/s)
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886

Did a quick search on the web and found a solution

Link Below:

Fix apt-get update “the following signatures couldn’t be verified because the public key is not available”

Solution was to request new keys from the key server

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4F4EA0AAE5267A6C C2518248EEA14886

I had 2 missing Keys 4F4EA0AAE5267A6C and C2518248EEA14886

Command to enter would be

sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys ¬†[your required key]

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