http://www.earthinfo.org Down to Earth Information Wed, 10 Mar 2010 12:09:37 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 http://www.earthinfo.org/quick-dirty-fix-to-speed-up-qmail-for-bulk-mailings/ http://www.earthinfo.org/quick-dirty-fix-to-speed-up-qmail-for-bulk-mailings/#comments Tue, 19 Jan 2010 14:24:12 +0000 Chris Morris http://www.earthinfo.org/?p=553 We were getting around 2 mails per second with qmail for a bulk emailing, which was not fast enough and rather than try and patch qmail to fix a bunch of problems,  we chose to put the qmail queue on a temporary file system. It appears that one of qmails bottlenecks is disk access (so perhaps [...]]]> http://www.earthinfo.org/quick-dirty-fix-to-speed-up-qmail-for-bulk-mailings/feed/ 0 http://www.earthinfo.org/how-much-space-is-all-the-music/ http://www.earthinfo.org/how-much-space-is-all-the-music/#comments Mon, 21 Sep 2009 13:17:06 +0000 Chris Morris http://www.earthinfo.org/?p=541 I wanted to know how much disk space all the music ever released would take up and couldnt find an approximation, so I put together this to give me a ball park figure. If you add up all the abums on http://en.wikipedia.org/wiki/Category:Albums_by_year It gives 81,708 At around 4mb per track and 10 tracks per album thats 81708*4MBytes*10 = 3268320 MBytes 3268320 [...]]]> http://www.earthinfo.org/how-much-space-is-all-the-music/feed/ 0 http://www.earthinfo.org/f100-technical-fault-on-meile-w3824wps-washing-machine/ http://www.earthinfo.org/f100-technical-fault-on-meile-w3824wps-washing-machine/#comments Sat, 18 Jul 2009 06:12:12 +0000 Chris Morris http://www.earthinfo.org/?p=536 I’ve got a Miele W3824WPS washing machine, and I accidentally forgot to close the drain door at the bottom of the washing machine when doing a regular clean. This triggered an error “Technical  F100″  Fault nothing seemed to clear the error and I couldn’t find anything on the Internet about it. After a little but [...]]]> http://www.earthinfo.org/f100-technical-fault-on-meile-w3824wps-washing-machine/feed/ 0 http://www.earthinfo.org/sqlite-v3-with-php-sample-script/ http://www.earthinfo.org/sqlite-v3-with-php-sample-script/#comments Wed, 20 May 2009 14:47:48 +0000 Chris Morris http://www.earthinfo.org/?p=506 SQLite [http://www.sqlite.org] is a very handy tool, essentially it creates a database in a file. SQLite V3 should be installed automatically with PHP5. I find SQLite very handy when I want to make standalone code that uses a database, and because it doesn’t require an external application(such as Mysql) it makes it very portable. [...]]]> http://www.earthinfo.org/sqlite-v3-with-php-sample-script/feed/ 1 http://www.earthinfo.org/an-easy-way-to-use-gnu-screen-over-ssh/ http://www.earthinfo.org/an-easy-way-to-use-gnu-screen-over-ssh/#comments Thu, 14 May 2009 20:16:07 +0000 Chris Morris http://www.earthinfo.org/?p=458 GNU Screen is a free terminal multiplexer developed by the GNU Project since at least 1995. It allows a user to access multiple separate terminal sessions inside a single terminal window or remote terminal session. It is useful for dealing with multiple programs from the command line, and for separating programs from the shell that [...]]]> http://www.earthinfo.org/an-easy-way-to-use-gnu-screen-over-ssh/feed/ 12 http://www.earthinfo.org/linux-disk-usage-sorted-by-size-and-human-readable/ http://www.earthinfo.org/linux-disk-usage-sorted-by-size-and-human-readable/#comments Wed, 13 May 2009 06:51:16 +0000 Chris Morris http://www.earthinfo.org/?p=402 This is quick tip to fix a problem that has always bugged me – When showing disk usage in a human readable form (KB, MB, GB) for each subdirectory using “du -sh *”, how can you properly sort it into size order. If you just want the solution here it it… pre.command { width:80%; background-color:#FFF5F5; border:1px dashed #BB8888; margin:10px; padding:10px; } alias duf='du [...]]]> http://www.earthinfo.org/linux-disk-usage-sorted-by-size-and-human-readable/feed/ 15 http://www.earthinfo.org/xpaths-with-php-by-example/ http://www.earthinfo.org/xpaths-with-php-by-example/#comments Wed, 06 May 2009 13:59:58 +0000 Chris Morris http://www.earthinfo.org/?p=259 Learn by example how to scrape web pages using PHP and Xpath.]]> http://www.earthinfo.org/xpaths-with-php-by-example/feed/ 1 http://www.earthinfo.org/earth-info-some-links-about-earth/ http://www.earthinfo.org/earth-info-some-links-about-earth/#comments Wed, 29 Apr 2009 21:22:49 +0000 Chris Morris http://www.earthinfo.org/?p=229 If you found this page you may have been searching for something about The Earth, Im sorry to dissapoint you, but here are a few decent links that may get you started on your research. http://en.wikipedia.org/wiki/Earth – Aways a good starting point for your research http://earthobservatory.nasa.gov/ – Nasa’s Earth observatory http://www.earth.columbia.edu/ – The Earth Institue at Columbia University http://science.nationalgeographic.com/science/earth.html [...]]]> http://www.earthinfo.org/earth-info-some-links-about-earth/feed/ 0 http://www.earthinfo.org/ebook-reader-review-of-sony-prs-505/ http://www.earthinfo.org/ebook-reader-review-of-sony-prs-505/#comments Fri, 24 Apr 2009 18:57:32 +0000 Chris Morris http://www.earthinfo.org/?p=210 A brief, good point, bad point, review of the Sony PRS-505 Ebook Reader. A great launch point if you are considering buying one.]]> http://www.earthinfo.org/ebook-reader-review-of-sony-prs-505/feed/ 3 http://www.earthinfo.org/linux-quick-command-ref/ http://www.earthinfo.org/linux-quick-command-ref/#comments Thu, 23 Apr 2009 19:51:39 +0000 Chris Morris http://www.earthinfo.org/blog/?p=185 A handy guide by example, of some common linux commands.]]> http://www.earthinfo.org/linux-quick-command-ref/feed/ 0