Unix as a Second Language

Network Know-How: An Essential Guide for the Accidental Admin

So many passwords, so few hiding places

Redirecting errors with exec

Unix tip: Password complexity for users

Unix tip: Making do with less

Wizzywig volumes 1: Phreak and 2: Hacker

Mapping Ports and PIDs

Unix tip: Recursively removing empty directories

Sftp-Only User Accounts

Peeping into PostgreSQL

Checking disk space

Unix tricks – Useful but unusual

Finding process IDs with fuser

Book Review: Cisco Routers for the Desperate, 2nd Edition

Spring forward file fixing

GPG Fundamentals

If you're ever tempted to send encrypted messages to a particular recipient but have never used PGP, you might be happy to learn that it's not all that hard to get started. Enter GnuPG and a handful of gpg commands!

Creating images with a text editor

Who’s Using Samba?

Unix tip: Finding a fault when your server’s shut down

Unix tip: Monitoring network switches

Unix tip: Putting old systems to sleep

Unix sysadmins and their good/bad bosses

Unix tip: Inter-host trust on Unix, part 2

Unix tip: Inter-host trust on Unix, part 1

Unix tip: 7-Zip to the rescue

Unix tip: Monitoring networks with Nagios

Unix tip: Useful Unix aliases

Bristle.com – High on content, low on frills

Need to learn Unix or Ajax, do a price comparison or figure out the meaning of an unfamiliar acronym? Let Fred Stluka at Brsitle.com give you suggestions on where to begin your search.

Unix tip: Monitor disk arrays with sccli commands

Disk arrays take a lot of worry about disk failure off your shoulders, but that's no reason not to notice when one goes bad. The sccli command can tell you a lot about what's happening with your StorEdge arrays. Let it warn you about disks ....

Linux command: Side by side diff

Unix commands: The best tool for the job

Greening the Data Center

Discovering PHP

Squeezing out the white space

Taking Control of ^h (control-h)

Using prtdiag to troubleshoot system problems

Automating System Comparisons

Fake “Tech Support” Email

Grappling with disk space

Favorite Unix Tools & Commands

Port Forwarding with Perl

Replacing the DVD in My G4

Port forwarding

Connection testing with Perl

Ubuntu for Non-Geeks, 3rd Edition

Long listings for the ps command

Unix and long usernames

Setting up a proxy web server with Apache

Setting up a forward web proxy with Apache involves a very simple and quick procedure. From start to finish, it should take you roughly half an hour. Let's examine the process step by step.

Setting up Jumpstart clients: Create a profile

Setting up Jumpstart clients