linux

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Make people sound smarter with MPlayer

One of my favorite features of Bloggingheads.tv is that you can play back their videos at 1.4x speed. This lets you listen to an hour long dialog in about 43 minutes and also has the interesting side effect of making people sounds smarter. The player resamples the audio so that the participants don't sound like chipmunks.

Installing a Wave Federation Prototype Server on Gentoo

The instructions on Google's Wave Protocol wiki can be easily applied to Gentoo Linux. It's actually pretty easy to set up your own wave server. This is just a minimalist working implementation of the server, it doesn't have all the features of the server at wave.google.com. In particular, you can't connect to it using a web browser as a client. So it's interesting to see how the protocol works, but it doesn't help much if you're trying to figure out how to make the best use of a Google Wave account.

Preparing CentOS in a VM for Oracle install

This guide details how to prepare Centos 5.3 for an Oracle install. I'm running CentOS inside a VM using KVM. Since I'm setting up a test Oracle install because I'm studying for an OCA, my database needs are pretty simple. An Oracle install requires a non-trivial amount of OS prep work, so I'm writing about the experience here.

Converting a virtual machine from VirtualBox to KVM

VirtualBox has been great for me, but I thought I'd give KVM/qemu a try. I'd tried running Bochs around 2003 and it was exciting to see that it actually worked, but the poor performance made it more of a novelty than a useful tool. It's nice to see how far Qemu it's come in this time. It's not only usable but quite handy, with simple CLI management and excellent performance.

Firefox cache in RAM on Linux

A while back, someone put a tip on the Gentoo forums for making Firefox store its cache in RAM rather than on the disk. It's a hack that basically mounts a ramdisk where Firefox stores the user profile. I haven't seen any benchmarks, but it seems like a good idea and I find the performance pretty good. This is especially appealing for netbooks that use flash storage instead of a hard disk.

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