Entries in the ‘Operating Systems’ Category:

SSH Tricks

Some tricks covered in the article include: using passwordless, key-based login; setting up local per-host configurations; exporting a local service through a firewall; accessing a remote service through a firewall; setting up a SOCKS proxy for Firefox; executing commands remotely from scripts; transfering files to/from remote machines; mounting a filesystem through SSH; and triggering admin [...]

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What every programmer should know about memory

“In the early days computers were much simpler. The various components of a system, such as the CPU, memory, mass storage, and network interfaces, were developed together and, as a result, were quite balanced in their performance. For example, the memory and network interfaces were not (much) faster than the CPU at providing data. This [...]

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The difference between disown, &, and nohup

& – This causes the application to run in the background. You will get a new shell prompt after issuing this command. nohup and disown – Both of these prevent SIGHUP (hangup) signals so the application isn’t killed when the terminal session is closed. nohup does this when the job starts. disown can be used [...]

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The Strange Birth and Long Life of Unix

Now here’s a really interesting feature article on Unix history and how it came to be. It’s quite amazing how successful a piece of software has become and how it came to influence the world of computing in the past (roughly) 40 years. “They say that when one door closes on you, another opens. People [...]

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Improving VirtualBox Performance

Lately I’ve been struggling with really terrible performance on my VirtualBox virtual machines. I’ve begun to do a bit of research on improving the performance of my VMs and so far the most helpful tip was to switch the VM disk image to SATA instead of IDE. Check out the following link for a detailed [...]

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Linux Distro Timeline

(click for a larger view)

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How-to Build Doom 3 Source Code on OS X

The Doom 3 source code has recently been released under the GPL license by iD Software and it appears that someone has been able to successfully build it under OS X! There is also a small/partial code review of sorts here too with plans for a complete code review in the future. Check out the [...]

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Unix Command Line Fu

Now here is a good article (mainly for Unix beginners) that outlines some of the most useful basic Unix commands available.  Read the article here: Unix Command Line Fu (via kresimirbojcic.com). The article covers commands such as: cut, grep, sort, uniq, cat, tac, join, tail, head, etc. It also tells you a bit about how [...]

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PSA: Download Windows 8 Developer Preview for Free!

As of yesterday, Microsoft has posted a preview version of the new Windows 8 operating system. Windows 8 will come with the new Metro interface (similar to Windows Phone 7) and many other enhancements which are focused on touch-gesture input. One important thing to know is that I’ve heard that many users have been able [...]

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Official Release of The Newest Deal lite for Android

I’ve just officially released my first Android application! It is an extremely simple, no-frills deals widget. The Newest Deal lite displays the latest deal in a home screen widget. This app has mainly served as a learning tool to get my hands wet with Android development.However, I do plan on releasing a full non-lite version [...]

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