W: GPG error: http://linuxcnc.org lucid Release: The following signatures couldn’t be verified because the public key is not available.

While updating with command $sudo apt-get update I got warning,

W: GPG error: http://archive.canonical.com jaunty Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY *************

This means you have lost the signing key, or never got it.

Screenshot from 2015-07-09 00:00:35

To fix it, use command:

$sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys
3CB9FD148F374FEF

Where 3CB9FD148F374FEF is the my hexadecimal missing key to be verified. Replace it with your own. 🙂

Reference: fix apt-get update warning: the following signatures couldn’t be verified because the public key is not available

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s