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pngcrush is an optimizer tool for PNG (Portable Network graphic) files. pngcrush is an excellent batch-mode compression utility for PNG images. Depending on the application that created the original PNGs, it can improve the file size anywhere from a few percent to 40% or more (completely losslessly)

DigiBand is a full home version Drumming/Guitar simulator. It isn’t just intended to be a simulator, but a uniquely refreshing new experience. It is much different than simulators already out there.

Audacity is a free opensource audio editing and recording software. Audacity can run on Linux, Windows and Mac OSX. Audacity can manipulate digital audio wave forms. In addition to recording sounds directly from within the program, it imports many sound file formats, including WAV, AIFF, AU, IRCAM, MP, and Ogg Vorbis.

rpmorphan is a free opensource utility to find orphaned packages on your openSUSE installation. rpmorphan determines which packages on the system has no other package(s) depending on their installation, and lists these packages.

Dvd2Xvid is free opensource simple easy to use utility to convert DVDs into Xvid video formats. dvd2xvid is a simple GUI for MEncoder aimed at converting DVDs to xvid formats.

Qps Visual Process Manager is an X11 version of “top” or “ps” that displays processes in a window and lets you sort and manipulate them. It displays some general system information, and many details about current processes (such as the TCP/UDP sockets in use by a process). Qps runs on Linux and Solaris.

I finally got around to upgrading my Linksys WRT54GL home wireless router to an open-source firmware, dd-wrt. This was more confusing than it should have been, mainly due to the large number of options available for wireless router firmwares. However, once I got that all sorted out the actual install was surprisingly easy and satisfying. This howto contains my notes on that process.

ClipGrab is a free GUI Video downloader from the famous online video sharing websites like youtube, veoh, Dailymotion, MyVideo and many other. ClipGrab is very simple (basically just one window to work on). Clipgrab downloads the file and saves it by default to FLV (Flash Video) however can convert the downloaded video on the fly to Windows Video (WMV), MPEG4, MP3 (Audio), OGG Vorbis (Audio).

I recently had to migrate a CentOS 5 system from a single hard drive to a mirrored RAID configuration. Since I had set up the system with LVM originally I was able to do this (mostly) seamlessly while the machine was in production. This howto details the steps I took and the commands necessary to migrate the system.

Kdenlive free open-source non-linear video editor for KDE. Kdenlive is an intuitive and powerful multi-track video editor, including most recent video technologies.