Projects

See my GitHub repository for some of the projects: pkrumins at github.

Also see my article "I pushed 30 of my projects to GitHub".

And another article "I pushed 20 more of my projects to GitHub".

Currently largest project:

• StackVM - my startup - makes virtual machines fun to use.
• Browserling - interactive cross-browser testing in your browser (built on StackVM).
• Testling - automated cross-browser javascript testing.

Older larger projects:

• Physical alarm system
• Door access control system (I'll post details soon), written in C.
• Windows rootkit for penetration testing (I'll post detailed info on it soon), written in C++ on win32.
• Linux Intrusion detection and prevention system (details coming soon), written in C and Python.
• Traffic management and accounting system (details coming soon), written in PHP and Perl.

Some of the web projects I have done:

• digpicz - made this for Digg users before they had "Image" section. [article, source, video, interview]
• reddit media - same for Reddit before it had thumbnail previews. [article, source]
• reddit river - lightweight version of reddit for mobile phones. [article, source]
• picurls - generalization of digpicz and reddit media. [article, source]
• catonmat.net - this website. [source]

Node.js related projects:

• node-png - a C++ module for node.js for producing PNG images.
• node-gif - a C++ module for node.js for producing GIF images.
• node-jpeg - a C++ module for node.js for producing JPEG images.
• node-video - a C++ module for node.js for producing Theora/OGG videos.
• node-base64 - a C++ module for node.js for encoding data to base64.
• node-image - a module for node.js that unifies node-png, node-gif and node-png.
• node-lazy - lazy lists for node.js.
• node-rfb - rfb protocol implementation in node.js (written together with James Halliday).
• node-browser - web browser in node.js.
• node-iptables - basic iptables control in node.js
• node-passwd - manage Unix users in node.js

...

Other stuff:

• busy beaver - a turing machine implementation in c++ and python with visualization in perl that rusn the busy beaver. [source]
• feedburner graph generator - a perl program that generates nice-looking feedburner graphs. [source]
• codinghorror keyword analyzer - a perl program that scrapes statcounter for codinghorror's keywords. [source]

...

Many more. Please browse around my site to find them until I list them here.

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Books that I have written:

• Awk One-Liners Explained
• Sed One-Liners Explained
• Perl One-Liners Explained

...

Collection of Perl One-Liner scripts:

• perl1line.txt

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Here are also some of the older projects:

• YouTube Video Downloaders
• Digital Point Forums Winamp Music Reporter

Programming cheat sheets:

• Awk cheat sheet
• Sed cheat sheet
• Ed cheat sheet
• Perl special variable cheat sheet
• Perl pack/unpack cheat sheet
• Screen cheat sheet
• Bash cheat sheet (emacs editing mode)
• Bash cheat sheet (vi editing mode)
• Bash history cheat sheet
• Set operations in Unix shell cheat sheet
• All cheat sheet summary