Linux apt-key Command

How to Fix GPG No Public Key NO_PUBKEY Error During apt-get Update

by Ramesh Natarajan on May 8, 2009

When executing the apt-get update command, you may get “There is no public key available” warning message. This article explains how to solve this warning message message.

$ apt-get update
Get:1 http://debian.linux.org.tw lenny Release.gpg [394B]
Get:2 http://debian.linux.org.tw lenny Release [73.6kB]
Get:3 http://debian.linux.org.tw lenny/main Packages [5310kB]
Fetched 5384kB in 1m13s (73.5kB/s)
Reading package lists... Done
W: There is no public key available for the following key IDs:
4D270D06F42584E6
W: You may want to run apt-get update to correct these problems

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