seq and xxd

March 18, 2010

Here are two interesting little tools, one of which should definitely be in your arsenal, and another that you still might find useful every now and again.
seq is, simply, a tool that prints out a sequence of numbers. For instance, run

seq -w 01 10

and it will output:

01 02 03 04 05 06 07 08 [...]

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An aside.

March 8, 2010

Today I’m not going to talk about any specific aspect of Linux, or any other operating system. Instead I’m going to talk about the OS from a more holistic perspective.
Operating systems, and programs, etc., need to present themselves to humans in a way that humans can understand. This seems like a no-brainer, but [...]

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SIGSTOP and SIGKILL

March 7, 2010

Sometimes you can find interesting things to post about just by looking at what people are searching for. Here’s an interesting search query that I thought I’d address, because I certainly understand wanting to understand the “why” of things just as much as the “how”. Today’s query is:
“why sigkill and sigstop signals cannot [...]

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htop

March 6, 2010

Well, I’m back to it. I haven’t blogged here for a year or so for multiple reasons, such as changing jobs, moving, etc. I am now working as a Systems Engineer for another Internet company in Irvine, CA.
Anyway, right to it. Here’s a right useful tool. htop.
htop is useful because it [...]

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