dd seem an unfriendly command, but if you start to use it, you’ll see that it’s a powerful command able to do many different things, backup a partition, CD or USB stick for example or do some simple tests on the speed of your disks or your CPU.
The man page say:
dd is an application that will “convert and copy a file”
But let’s see some trick with it.
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Today Ram disk has saved (at least temporary) one more customer, this time we have moved his Lucene index files from a local disk to /dev/shm; I’m not so sure this is the real solution but at least this gave us better performance and some time to study his application, to see if and where there are bottlenecks.
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Everyone in the Gnu/Linux world (or so i think) has been worried by the news about Microsoft buying Skype, the standard de facto about VOIP.
But perhaps there is a hope for a future more open on this software ?
Skype 5.5 beta support now the protocol XMPP, this has been added mainly to talk with facebook, in fact the leader of the social networks uses this protocol for his chat, but this could open a lot of possibility for Skype also for other things.
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Do you want to test how your new site work under an heavy load ?
Put it under siege !
Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stand up to load on the internet. Siege supports basic authentication, cookies, HTTP and HTTPS protocols. It lets its user hit a web server with a configurable number of simulated web browsers. Those browsers place the server “under siege.”
Author: Kurt Hartman Jr
First off, let me say that I am not one of those terminal loving Linux fans. I think it is cool and all, but I tend to save the command line for things that either require doing a massive batch job, or when I need to do something really specific.
Other than that, I stick to the Gnome GUI, and work within the parameters that various menus offer me. That works for 99% of what I need done.
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