We normally get these gpg errors while running apt-get update or aptitude update. Error: W: GPG error: http://ppa.launchpad.net jaunty Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 7FB8BEE0A1F196A8 W: You may want to run apt-get update to correct these problems You can fix this by importing the GPG [...]

I just tried importing GnuPG keys from one account to another on my system. After that I was unable to encrypt or decrypt any messages. Here is the error which was found to be bailing out: GnuPG: “decryption failed: secret key not available” It is resulted because I just imported only the public keys from [...]

When you try installing some packages via yum or up2date you might come across this error. Public key for xyz.rpm is not installed To resolve this issue, you should download the GPG key and import that into your RPM database. On RHEL servers you can find the GPG key under /usr/share/rhn and you can import [...]

I was in a hurry to install the new version of “Picasa” on Ubuntu Gutsy Gibbon as previous version of Picasa didn’t allow me to upload the images to web directory. After adding the apt source to the sources.list, I ran aptitude update on my laptop and was hit by following error. W: GPG error: [...]