public key

Delete SSH Keys

by on June 24, 2010 · 5 comments

One my user leaves the office and I’d like to disable her access to our UNIX / Linux system. How do I delete ssh key from the UNIX systems so that user can not log in?

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UNIX / Linux: PGP TarBall File Signature Keys Verification

by on April 14, 2010 · 2 comments

I‘ve downloaded open source software from the Internet. The download server also provided me the PGP signature file. How do I verify that signature (file.tar.gz.asc) file against downloaded software release (software.version.tar.gz) under Linux / UNIX operating systems?

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Debian / Ubuntu Linux Public key Blacklisted (see ssh-vulnkey(1)) Error and Solution

by on July 2, 2008 · 2 comments

How do I fix – “Public key Blacklisted (see ssh-vulnkey(1))” error under any Linux based desktop system?

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OpenSSH Change a Passphrase With ssh-keygen command

by on February 4, 2008 · 5 comments

Q. How do I change OpenSSH passphrase for one of my private keys under Linux?

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