Just some quick syntax for running multiple rsync threads in parallel using find and xargs. In many cases (especially if NFS is involved)  this can...

Just a quick script that will measure bandwidth utilization in KB/s for all NICs on your server over the specified period of time. You can...

Let's say you run the same command on two remote servers and you want to compare the output. Here's a quick example: diff <(ssh -qtT...

Current versions of cron support sophisticated syntax making creating weird schedules a breeze. With older versions of cron you normally had to schedule multiple...

A Java application on one of my servers has been causing problems by opening up too many network connections and not closing them quickly...

In this scenario, a user emailed some other user something that probably should not have been emailed. You don't know who the users are...

Here's a quick example of using tshark to extract email addresses from TCP streams. Let's say some application on your server is sending emails and...

At the risk of repeating myself, I must say that this article is about obfuscating passwords - rendering obscure, unclear, or unintelligible - not hiding...

Long story short: old wiki is overloaded and broken; new wiki is not a wiki but SharePoint - a glorified file server; people are...