Category Archive: linux and unix

Dec 27 2008

small doesn’t have to mean slow

Much as I love my slugs (and low power consumption coupled with almost completely silent running means I love them a lot) I do sometimes need just a little more “grunt” than they offer. I have been running a PHP based webserver together with postfix on an old (actually very old) Compaq Armada 4160T (that’s …

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Dec 27 2008

egroupware mail with dovecot and postfix

I have recently built an egroupware system to be used as a social networking site. The application suite itself is relatively easy to install and configure, but the webmail system it offers (a fork of squirrelmail called felamimail) is rather poorly documented. It took me some time to figure out how to authenticate mail users …

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Sep 12 2008

webanalytics – just say no

I have just built myself a new intel core 2 duo based machine to replace one of my older machines which was beginning to struggle under the load of video transcoding I was placing upon it. The new machine is based on an E8400 and is nice and shiny and fast. Because it is a …

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Sep 12 2008

french slugs?

linutop

In an earlier post I speculated that the CherryPal PC might be a possible option for users considering replacements for the slug. But that device has still yet to hit the streets and is beginning to look suspiciously like vapourware. However, linuxdevices, the site devoted to linux on embedded devices, wrote about the interesting looking …

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Aug 20 2008

where did my bandwidth go

Have you ever wondered what was eating your network? Would you like to be able to check exactly which application was responsible for that sudden spike in outbound traffic? NetHogs might help. This neat little utility calls itself a “small ‘net top’ tool”, and that is exactly what it is. NetHogs groups bandwidth usage by …

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Aug 10 2008

trusting DNS

Dan Kaminsky has (quite rightly) been hitting the press a lot in the weeks since 8 July when he announced the work done to fix a flaw he had discovered in DNS. The vulnerability itself was new, but its impact (cache poisoning) was not. Indeed, we’ve known about the dangers of poisoned DNS caches for …

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Jul 26 2008

replacement for the slug

CherryPal PC

I noted in an earlier post that Linksys were ceasing production of the NSLU2. There are now a variety of NAS systems coming onto the market which might make good replacements – but most of them look expensive when compared to the slug. However I’ve just seen a review of a box which looks as …

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Jul 22 2008

implementing mailman and postfix with lighttpd on debian

I recently needed to set up a mailing list for a group of friends (my bike club). I had become tired of mail bounces and failures because we were all relying on an out of date list of addresses originally cobbled together by one member. That list of addresses was routinely used in “reply all” …

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Jul 16 2008

ooops

An apt-get dist-upgrade (to bring the kernel up to date and install some new patches) on the slugs killed the webcam. Of course I should have remembered that the gspca module was built against the old kernel and might fail. One quick “m-a auto-install gspca” later and all is working again. Of course the kernel …

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Jul 09 2008

slugs are history

Jim Buzbee, of batbox fame and one of the original NSLU2 hackers, apparently gave a presentation about the history of slug hacking at the Boulder Linux Users Group. A PDF copy of his presentation can be found on his batbox.org site. Jim also notes that Linkys are ending production of the NSLU2 after four years …

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