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 for encrypting messages

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

Setting up forms in PHP

If you’ve never used PHP, you might be very surprised to learn how easy it is to embed PHP commands in HTML files.

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

Forwarding ports via ssh

Forwarding ports via ssh is fairly straightforward and adds the benefit of encryption.

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