2011w47

top

So I have been playing around some more with top, and I have to say that I no longer feel any reason to install htop.

Perhaps if I dig into the manpage of htop, I’ll yet again revert to thinking it is better, but for now there’s no need.

I can get coloring (z), I can filter on users (u<username><enter>), I can control how many processes I list (n<int><enter>), and I can have the current sort field highlighted (x), and when I am happy with the configuration, W lets me save it to ${HOME}/.toprc

grep

Pontus showed me a new shiny flag for grep the other day: -s which, to quote the grep manpage, says Suppress error messages about nonexistent or unreadable files.

And this is awesome for when your are doing directory-wide recursive greps in places where you might not have the credentials to look through all the files.

Beware though as there are some differences between GNU grep and UNIX grep.

RabbitMQ

I’ve many times read about RabbitMQ and how that is good to know and if you don’t know what it is you’ve been hiding under a rock (apparantly I have), because it wasn’t until this week I actually found a blogpost that could adequately explain to me what it is and what it’s good for.

And thanks to that blogpost I now have yet one more thing pushed onto the “toLearn” stack…

blockdiag

This next thing I found is a more or less graphviz, wrapped around a python(2) module which helps create block diagrams.

There are actually four modules, blockdiag, seqdiag, actdiag, and finally nwdiag, and I could imagine all four having their use under certain circumstances.

Links

GNU source highlight — For most of your sourcecode highlighting needs

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