Unix as a Second Language

Unix How To: Peering at a Process with lsof

Book Review: Inside Cyber Warfare: Mapping the Cyber Underworld

How to: The Unix Interview

Unix How to: Thinking in Unix Time

Unix How To: Unix Resolutions for 2010

Unix How To: Using Basename Wisely

Solaris How To: Logging for FTP on Solaris 10

Unix How To: Sorting Log Data

Unix How To: Repeating Commands in Bash

Book Review: The Book of Inkscape

Solaris Tip: Have Your Files Changed Since Installation?

Looping the Easy Way

2 grep commands that will help you find whole words

Whenever you use a simple grep command to find a single word or phrase in a file, you run the risk of getting a lot of extra "stuff" you didn't want to see. Here are two grep commands that will do just what you want.

Is Your Web Site Under Attack?

Easy Email Filtering with Procmail

Eradicate Spam from Unix Service Accounts!

Putting Text in Window Title Bars

Unix Prompts for the Masses

Unix Holidays

Checking the Status of Your NICs

The Day that Cron Stood Still

Relaying Mail from Subdomains

Book Review: The Art of Deception: Controlling the Human Element of Security

You’re nobody until …

Getting help with scat

Probing into Core Dumps with mdb

Setting up sudo, part 2

Serial numbers in zone files: Yours and named’s

Setting up sudo

Unix Wizdumb: Document It!

Unix Wizdumb: Clean up empty “in use” files with “cat /dev/null”

Unix: Impossible File Types

Unix: Adding swap space on the fly

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