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The Southern California Linux Expo (SCALE) is an annual Linux, open source and free software conference held in Los Angeles, California, since 2002. Despite having Linux in its name, SCALE covers all open source operating systems and software. It is a volunteer-run event.
The event features an expo floor with both commercial and non-profit exhibitors, as well as 4 days of seminars on the topic of Linux and Open Source software. Sessions and presentations cover a broad spectrum of topics and technical levels.
SCALE grew out of a series of LUGFests put on by the Simi Conejo Linux Users Group in the late 90s. There were four of them, held every 6 months at the Nortel development facility in Simi Valley, California. They ended when Nortel closed that facility in 2001. Subsequently, members from SCLUG, USCLUG and UCLALUG organized to create a more regional event, which they named the Southern California Linux Expo.
Companies, organizations and projects represented at SCALE include Linux-based projects such as Debian, Gentoo Linux, the Fedora Project, KDE and GNOME, other open-source operating systems including NetBSD and FreeBSD, software projects such as Django, open-source database systems such as MySQL and PostgreSQL, other open-source applications such as Drupal, Inkscape, MythTV and The Document Foundation, activist organizations such as Software Freedom Law Center and the Electronic Frontier Foundation, major technology companies such as IBM, HP and Sharp, web companies including Google, Facebook and eHarmony, and internet projects including OpenStreetMap.

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  1. T

    Inline scale inhibitor.

    Have been asked what I would recommend for a inline scale inhibitor? Not really my specialist subject area & would be interested to know for my own information too. Thanks all.
  2. J

    Elson Coral E Hot Water Storage Low Temperature and Pressure

    I have an Elson Coral E Hot water tank in my all-electric flat. I've had it for about 2 and a half years without any problems, however recently I have noticed that the hot water pressure is not as much as it used to be and the temperature I get from the hot taps is reduced. I have tried...
  3. J

    Scale reducers

    Hi team just a quick question I'm going to be fitting some intergas combi boilers and want to fit a scale reducer on the the cold as the job is on the south coast.it's either that or I de scale it when it needs it,ie fitting a tee and valves so I can do the boiler circuit. I'm not convinced...
  4. R

    Water Softener Problems

    Hi, I had a Monarch Water softener fitted about 2 years ago. My bathroom is still not limescale free, the stored hot water still tests as hard. If I test the cold feed from the softener that shows as softened, but the stored hot water always shows a being hard, if not as hard as the unsoftened...
  5. M

    Commercial scale reducer

    Can any one recommend one? A client of mine has 2 andrews water heaters that had got badly scaled up, they were cleaned out during a service but now they are looking for something that may help prevent it. Would a salt based water softener work? Not sure if there is anything better around...
  6. R

    Scale master condense master

    Has anyone ever used this product or anything similar. Spoke to scale master rep and he said if u use this you can just have ur condensate pipe sticking out the wall. As long as the unit is changed every year.
  7. C

    ideal classic RS250 kettling

    ok had a new unvented tank fitted and system changed from gravity to fully pumped. initially the plumber connected to the original gravity connections on the boiler and got the flow and return the wrong way resulting in trapped air, probably in the heat exchanger. anyway that's been sorted...
  8. P

    EMWC Scale Eliminator 54

    thinking of purchasing/installing this scale eliminator (EMWC Scale Eliminator 54) as appose to water softner or scale remover. it is going to be fitted in a completely new system (600lt megaflo + 2 x 450lt accumulator) don't like the feel of the softened water or the on-going maintenance/ salt...
  9. J

    multiple replacement heat exchangers

    Hi All, I have a problem with a Worcester Bosch Greenstar 24i boiler. It has had several heat exchangers over the last six years due to limescale build up, what happens is that the hot water supply loses pressure then it won't warm the water. The central heating continues to work ok. A new...
  10. C

    cheapest to buy and run water softener

    wondering what would be the cheapest water softener to buy and run?
  11. S

    Heat exchanger

    Hi all what tests would you perform to prove heat exchanger corrosion? cheers
  12. S

    Service life of a megaflo: What can one reasonably expect?

    We have a Megaflo that was installed some 12 years ago. We are in a hard water area and we have some measures in place to reduce limescale - but not a water softener. The Megaflo was serviced about 15 months ago. Now we have low pressure (drops rapidly from 2.7 bar to 0 on HW out) through the...
  13. D

    Alpha kettling

    Hi. I've been working on this Alpha cd18r heat only boiler with f&e tank and separate pump on a micro bore system. They have had real problems with scale and have had a power flush before. The boiler cuts out and red lights on the front appear, and this is preceded by a banging or kettling...
  14. C

    Electrical or magnetic scale control

    I don't know whether this topic has been raised previously on this forum - apologies if it has. I would be most interested to know if anyone has any practical experience with the electrical or magnetic devices that claim to prevent or control scale in water systems. As a chemist, I cannot...
  15. B

    Quoting off plans

    Hi Guys, How do you go about pricing off plans? I've got some new builds in and struggling to price up as never had to do this before off plans. Any tips? Cheers
  16. S

    power flushing time scale pluss filter

    right nan has got British Gas coming tomorrow to fit a new magnetic filter to the system FREE :rolleyes2: but Im worried that they mite try cut corners im told there men't to be power flushing and new inhibitor into the system?? now is it best to drain the system and hot water tank and power...
  17. B

    De scaleing DHW heat exchanger with brick acid

    Has anyone used brick acid to de scale one [its a baxi 105e] and if so how did you go about it and did you dilute it, atb, buster.
  18. N

    Scalemaster Magnetic Scale Inhibitor

    Just over two years ago my daughter had a new combi boiler fitted. At the same time a Scalemaster speedfit magnetic scale inhibitor was fitted to the boiler cold water inlet pipe. On Sunday my daughter woke to find her kitchen flooded. After turning the house water supply at the stopcock she...
  19. B

    Pump leaking??

    Could this be the problem with my pump!? http://i1193.photobucket.com/albums/...ps3bcd593e.jpg Looks like there is lime scale build up coming from the thread of the top cylinder. This is a stuart turner monsoon negative head 2.0
  20. H

    Lime scale

    What are the best option's for clearing scaled up water outlets on the toilet pan?
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