Juliet Kemp

Cracking Passwords

Scripting Best Practices

Scripting languages are incredibly useful for quick-fix scripts. The problem with this is when the quick-fix script is still in place 6 months down the line,...

The Joys of xargs

xargs is an incredibly useful command: it takes in input and executes your chosen command on it: xargs command. Deceptively simple in concept; extremely powerful in...

rsnapshot: rsync-Based Filesystem Snapshot

Snapshot filesystems, which offer instant-availability backups from multiple time points, are a great idea. But migrating to a new filesystem is a major deal. rsnapshot works on...

Tip of the Trade: ps Options

Admins use ps all the time to look at processes running on a system. But do you make the best use of the multitude of options this very...

Tip of the Trade: Clusters with Condor

Clusters and distributed computing can operate in a number of ways. At one end of the spectrum are full-time dedicated clusters. Alternatively, you can get distributed power on...

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