Desktop Snap

Here is a snapshot of my quad head display, it is 3 pc's running across 4 screens and a pic of the desktop a. I use synergy to connect the linux desktop, the windows desktop and linux laptop I have the the synergy server running on the laptop so it controls everything with the one keyboard and mouse. I am hunting aroud for a good price on a logitech g15 keyboard to round out the desktop

Xubuntu Synergy + Dualhead on Latitude D600 for triple head display

Well after 3 days and many hours scouring xorg.conf and synergy.conf files I have a working triple head display that utilizes the computing power of two PC's.

Okay first the setup.

I have a Dell latitude D600 laptop, this shares the wireless via tinyproxy to desktop over 10base network this machine is known as hiddenslap
The graphics card in hiddenslap is from lspci:-

01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] (rev 02)

If you have a different card then this one YMMV goodluck and have the moutain dew handy.

The other machine is an Intel based Desktop, nothing fancy anything running X should work.

Okay first you need to install synergy on both machines

a quick sudo apt-get install syngery will achive this

then install xrandr on the laptop by typing in sudo apt-get install xrandr

I found a great shell script that automates the switching of diffrent layouts ie. Mirror, "Big Desktop", Dual Head, CRT only and LCD only. You can find it here output-switcher. I added it as a launcher on xfce panel and can now quickly switch layouts :) cool

I used the documentation over at HowToRandR12 as well as many, way to many other forums and howtos to mention before I got this to work. The above tutorial was the best one.

You have to run synergys --config /etc/synergy.conf on the laptop it is the server, if you use the dektop as the synergy server you cant get across to the second screen (if anyone knows a fix to this please leave a comment)

Run synergyc on the dekstop

there it should be working, run sh /output.sh on the laptop to switch from mirrored to extended etc or add it as a launcher to the panel.

and the most important thing here are my xorg.conf and synergy.conf files that give me a virtual triple head display with my laptop LCD in the middle the CRT running as a secondary to the laptop is on the right and the seconf mac

/etc/X11/xorg.conf

Section "ServerLayout"
Identifier "Default"
Screen "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
Option "AIGLX" "true"
EndSection

Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"
Load "dri"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Dell"
ModelName "Dell 1024x768 Laptop Display Panel"
HorizSync 31.5 - 90.0
VertRefresh 59.0 - 75.0
Option "dpms"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "Ipex"
ModelName "Ipex 17 inch CRT 1280x1024"
HorizSync 31.5 - 90.0
VertRefresh 59.0 - 75.0
EndSection


Section "Device"
Identifier "Videocard0"
Driver "radeon"
VendorName "ATI"
Busid "PCI:1:0:0"
BoardName "ATI Radeon Mobility M9"
EndSection




Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Virtual 2048 768
EndSubSection
EndSection

Section "DRI"
Mode 0666
EndSection

Section "Extensions"
Option "Composite""Enable"
EndSection

and now synergy

/etc/synergy.conf

section: screens
hiddenslap:
hiddensdesk:
end

section: links
hiddenslap:
left = hiddensdesk
hiddensdesk:
right = hiddenslap
end

section: options
screenSaverSync = true
end

Folding a tshirt video

HOw to fold a shirt

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Here is a video on how to fold a shirt very quickly, should make laundry a breeze

Medic.........

I have started work on the XJ, I have got a couple of old army ammo boxes for panniers and am painting the bike a deep green similar to british Racing green, the intention is to create a survivalist looing bike with an army theme.

Ran out of oil

Well the RD seized last week. I ran it out of oil in the auto lube and didn't hear it. I didn't drop the bike when the rear wheel locked up and after it had cooled down I managed to get it the last couple of klicks home. I ripped the head of with Mick and the right barrel was scored, when he ripped the left off the top ring was missing and seems to have been for a while, that explains why it always felt gutless.

I sold the RD to Mick as is and brought a Yamaha XJ650 an 81 SECA model not the Maxim. It needs a few things for RWC and a lot of TLC. I have managed to track an XJ900 down for parts. The XJ900 runs okay but is missing 2nd gear.


Things I know I need to swap of the 900 (if any good) or replace to get a RWC

Indicator lens
Mirrors
Seat
Front Brake System
Rear Shoes or swap XJ900 disc rear end on to it
Electronic Flasher Can
Tail light globe
Tacho light

Air Wasp

Not to be out done (by complaints or police) I've found something to keep my self active, have you ever heard of a "Hilsch Vortex Tube?", nor had I, till just recently. (once again thanks to Mark and Stumbleapon!)


Put simply it divides a stream of gas (or liquid) into a cold and hot flows.

Commercially available ones claim to get down as low as 20 degrees C above absolute Zero!

I also read a blog that a hobbyist claimed to get 275 degrees F on his "hot"side! (point 1. I don't believe it, point 2. I can't find the blog in question to make sure I read it right, (I'm sort of Dyslexic) point 3. if I'm wrong about point 1. and point 2. I apologize and Kudos to you for doing it at home, well done! (Card carrying Engineers eat your fucking hearts out!))

Here is one I prepared earlier!


As you can see it is made from standard, over the counter plumbing parts, the "Hot" end is the bit with the Blue handle, (actually it's a 3/4" Ball Valve!) the silver bit near the top is a Hi Flow Compressed Air fitting (male) and, of course the short piece at the top is the "Cold" end!





Now lets take a look inside shall we?

Basically, as you can see, the air is made to swirl as it enters the chamber (aided by the offset input, the aluminum piece inside and even the thread of the collar that makes up the outside of the chamber!) Note the washer (reducer) to the left of centre, this is very important as the air must travel to the hot end first forming a vortex then the hot air passes thru the ball valve whilst the cold air compresses into a smaller vortex which moves back down the low pressure area created by the original vortex and passes thru the reducer into the cold end

The ball valve seems to have more effect on the cold than the hot!

When tested (with a multimeter and a temperature probe) the best we got out of it
was8 degrees C at the cold end and 24 degrees C at the hot end!
The ambient temperature was about 14 degrees C!

Not too shabby, for something that took me more time to shop for than it took me to build!

I'm sure I can improve on those specs by making the swirl chamber more precise!

Remember that there is no such thing as cold!
It is merely an absence of heat!

Cheers all for now, Mick. ;-))

airwasp

Well it didn't take too long (about a month) too get myself shut down!

I had been running it for about 1/2 an hour, shut it down 4 a couple of minuites then fired it back up again for about 20 mins, then Mark comes bolting thru my backyard drawing his thumb across his throat and gesticulating wildly, taking the hint I shut it down.
Mark, seemingly still very exited, finaly blurts out, "Theres a Copper about to kick in your front door!"

So I waltz thru the lounge, unlock the front door to find a very Pissed Off Copper standing there going, sort of going purple, to cut a long story short, after he vents his slpeen at me he asks,
what the hell was that?

It's still red hot so I can't pick it up to show him, I'm there hopping from foot to foot, (knowing the bong and mix is out on display in the lounge!)
So I reluctantly show him thru (trying to keep me between him and the bong )
and after I explained it to him, he was quite inpressed
( "sorry Mate but I deem that thing too loud for suburbia!")
I then asked if it would be banned in a rural setting and he said "not that I know of!" so I guess I have to get freindly with a local farmer, (I'm putting it in a r/c model boat! so I needs a farm with a dam!)
My parting coment to the Copper was "they put me on a Pension so I gotta do somthing to keep my Brane active!" and buggar me dead HE agreed with me and wished me well!
Said he was sorry but, "it's too loud Mate!" and left with a smile on his face!!!!

Well I'll be fucked, I'm pretty sure he saw the bong but, I didn't freak out so He didn't!

Something new happens every day the trick is you gotta be there to observe it!
Cheers all, Mick. ;-))