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1. SDF Basics

Unix - Introduction to Unix & SDF, by G.M.Stover
Finding help - How to get help from within the shell
COM is not IRC - An introduction to the chat program 'COM'
Instant Messenging - How to use Instant Messenging on SDF
File transfer - How to move files to and from SDF
Ultimate Differences Amongst UNIX® Shells - Comparing shell differences/similarities
File permissions - Changing file permissions
Basic File and Shell Operations - Working with files and directories
ASCII Gaming - All work and no play makes Jack a dull SDFer.
How to Donate and why - A page to explain how and why your friends and family (or you) should help fund SDF.
SDF for blind users
Using Microsoft Windows (tm) telnet
Software on SDF Sorted by Category
Jabber IM - Using the SDF Jabber XMPP Instant Messaging Server
StatusNet Microblogging - Using the SDF Chatter StatusNet Microblogging Server
Procmail on SDF - general implementation notes
Game Servers on SDF - A listing of multiplayer gaming servers running on SDF

2. Website Setup and Hosting Features

Websites - Building a website on SDF
Resources for Website Builders
Custom error pages - Creating custom error pages using .htaccess
Ruby on Rails @ SDF
- Ruby on Rails - Ruby on Rails on SDF
- Building a Basic Ruby on Rails Application.
Trac on SDF - Setting up and using a Trac instance
Gopher - Build your Gopherspace
Blogging with Jekyll
Htaccess - Useful .htaccess tips and tricks for the Apache HTTP server

Using skeys - Logging in securely over insecure protocols
Emacs Tutorial - Emacs Basics, using Emacs as a work environment
Advanced E-Mail Topics - forwarding messages, and fighting spam
Greylisting at SDF - system policy spam reduction
SSH - Using SSH to secure and route client applications through SDF
SSHFS - Using SSHFS to mount SDF folders on linux local machine
VPN - Connecting to the SDF VPN.
rsync - Backing up $HOME using rsync.
Cvs - Using cvs on SDF
GCI - The SDF Green Computing Initiative
MDNS - Automatic MDNS examples (MetaARPA)
RubyGems at SDF - Setting up the 'gem' command
scmgit - GIT Source Control Management introduction
SMTP AUTH - Tutorial for users of Mac OS X Leopard (10.5) and Mail.app
SDFARC Repeater List - A list of repeaters used by The SDF Amateur Radio Club
X11 Forwarding - Setting up and running X11 applications (MetaARPA)
$HOME/bin - User compiled programs in SDF's multi-architecture environment (ARPA)
Keepass with Git - Manage and distribute your KeePass database with Git

SDF Dialup - Introduction and Initial Account Configuration
- Gearing Up - Equipment and Services needed for SDF Dialup
- Setup - WinXP - Configuring Dialup on Windows XP
- Setup - Lucid - Configuring Dialup on Ubuntu Linux
SDF DSL - Configuring and using SDF DSL

Browse Annotated Dotfiles - Find working examples to help you configure your favorite program.

TOPS-20 Interactive Tutorial - Log and summary of twenex.org's interactive tutorial (@TOPS20)
Getting Into TWENEX - Tour of the twenex.org system for intermediate users