A collection of modern/faster/saner alternatives to common unix commands.
A site that converts UNIX style time_t timestamps into human readable time/date stamps.
hardware os solaris software servers unix sun java computer blog tools
Of course it runs NetBSD.
The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. As an example of the effect OpenBSD has, the popular OpenSSH software comes from OpenBSD.
Daniel J. Berstein's homepage. There are tools and code galore here - check it out!
Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing encryption, authentication, deniability and perfect forward secrecy.
A development library that allows the programmer to readily manipulate IP addresses, the ARP cache, the system routing table, and packet filtering rules. It also makes it easy to manipulate IP tables and construct and send IP packets and Ethernet frames.
An application that lets any laptop act as a DJ console. With it, you can mix audio files in many formats.
A free, online book on the C programming language. There is also a downloadable .pdf file of the contents of the e-book so you don't have to try to archive the whole website.
An open source utility that will crack the password used to encrypt .rar, .zip, and .7z archives. Runs multi-threaded to speed things up because it uses a brute-force attack.
An online store that specializes in spare parts for and discount UNIX servers and high-end workstations. They have machines and parts for Sun equipment, Dell, HP, Rackables, and Supermicro. A lot of this gear used to be horribly expensive, so hobbyists and sysadmins on slim budgets often have to search long and hard for replacement components.
A handy, all-in-one cheatsheet for Linux and UNIX environments. If you need to look up how to do something fiddly, this is a good place to look first.
A drag-and-drop .bashrc config file generator. Even does prompts and color changes. Here's mine:
# {hh:mm:ss @ day-of-week mon day}
# [user @ host:$(WINDOW) dir]$
export PS1="\[\033[38;5;220m\]{\[$(tput sgr0)\]\[\033[38;5;214m\]\t\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]\[\033[38;5;75m\]@\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]\[\033[38;5;220m\]\d}\[$(tput sgr0)\]\[\033[38;5;15m\]\n\[$(tput sgr0)\]\[\033[38;5;40m\][\u\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]\[\033[38;5;75m\]@\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]\[\033[38;5;40m\]\h:($WINDOW)\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]\[\033[38;5;40m\]\W]\[$(tput sgr0)\]\[\033[38;5;10m\]\\$\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]"