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

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How do I change OpenSSH passphrase for one of my private keys under Linux, OpenBSD, FreeBSD, Apple OS X or Unix like operating systems?

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