Unix and Linux

Unix and
Security

My general computer / network security page

How to harden a Linux or BSD installation

How to break into Linux (and how to prevent this)

Analysis of multiple intrusions into a poorly configured Linux system

How to set up and use SSH

How to create and install keys and certificates for a secure Apache web server

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

Installation and booting	Installing CentOS Linux on an Alpha
	How Linux Boots
	X Configuration Issues
Package management and service control	Package Management and Service Control on Linux and BSD — A Phrase Book for RPM/yum/urpmi, apt-get/dpkg, and pkg_*
Package management and service control	How to Add MP3 Support to Red Hat, CentOS, and Fedora
Kernel building	How to Build Linux Kernels
	Building Linux kernels on Alphas
	Exploring the Linux Kernel
	How to Build OpenBSD Kernels
Essential skills	UNIX/Linux Command Fundamentals and the File System
	TCP/IP Configuration Commands for UNIX/Linux and Mac OS X (and Windows and Cisco IOS)
	How to Use `vi` (or, better yet, `vim`), an essential skill sadly unknown by many Loads of references and manuals and tutorials at http://thomer.com/vi/vi.html Wikibooks has "Learning the vi editor"
	How to Use FTP, an essential skill sadly unknown by many
Other useful pages on other sites	LOTS of details on ext3fs, including recovering deleted files (someone else's page)
Other useful pages on other sites	IBM Technical Library "Anatomy of..." articles on Linux: loadable kernel modules, file systems, flash devices, SELinux, real-time Linux architectures, SCSI, networking stack, etc.

Virtualization

Virtualization and Clustering (or, Multi-Computing)

How to install 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 install and run Windows within the QEMU emulator on an OpenBSD desktop

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

USENIX, The Advanced Computing Systems Association, has made all their conference proceedings available to everyone: http://www.usenix.org/publications/library/proceedings/

An especially useless Windows error message

Oddities

UNIX the Supermodel
UNIX the Fire Extinguisher
Linux the Laundry Detergent
The Gallery of Crash Dump Screens
The Gospel of Tux
Biblical Unix
What might be Windows Vista source code

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© Bob Cromwell Jul 2009. Created with /bin/vi and ImageMagick, hosted on OpenBSD with Apache. Root password available here, privacy policy here.