Unix and
Security
My general computer / network security page
How to harden a Linux or BSD installation
Analysis of multiple intrusions into a poorly configured Linux system
How to set up and use SSH
How to make sendmail use SSL/TLS whenever possible
How to password-protect Apache web pages
Integrating a UNIX client into a Kerberos realm controlled by a Windows Active Directory server.

Unix/Linux
Administration

TCP/IP Configuration Commands for UNIX/Linux and Mac OS X (and Windows and Cisco IOS)
How Linux Boots
Installing CentOS Linux on an Alpha
How to Build Linux Kernels
Building Linux kernels on Alphas
LOTS of details on ext3fs, including recovering deleted files (someone else's page)
IBM Technical Library "Anatomy of..." articles on Linux: loadable kernel modules, file systems, flash devices, SELinux, real-time Linux architectures, SCSI, networking stack, etc.
How run put the QEMU emulator and Linux on a USB device, so you can run Linux within a window on a hosting maching running Linux or BSD or Windows
How to Use vi (or, better yet, vim) (essential skill sadly unknown by many)
How to Use FTP (essential skill sadly unknown by many)
A very handy collection of *NIX commands, someone else's page at: http://cb.vu/unixtoolbox.xhtml

Other Varied
Unix Topics

Running OpenBSD on a Dell Inspiron 1000 laptop:
— Installation
— Some KDE/KDM tricks
— Building Wireshark on OpenBSD 3.8 and later
A few Unix/Linux tips and tricks
Digital Cameras, Linux, and BSD
X Configuration Issues
Virtualization and Clustering (or, Multi-Computing)
USENIX, The Advanced Computing Systems Association, has made all their conference proceedings available to everyone: http://www.usenix.org/publications/library/proceedings/

Oddities

UNIX the Supermodel
stupid microsoft
UNIX the Fire Extinguisher
Linux the Laundry Detergent
The Gallery of Crash Dump Screens
The Gospel of Tux
Biblical Unix
Home Page Unix/Linux TCP/IP Infosec Travel Radio Site Map Contact
Use /bin/vi! Manipulate images with ImageMagick! Hosted on OpenBSD
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© Bob Cromwell Jan 2009. Created with /bin/vi and ImageMagick, hosted on OpenBSD with Apache.    Root password available here