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Robert Elms has 'Footnotes and Queries' on his London show, and it covers the minutae of London Life. How things got here, why a building is in a particular place. Who was the mad bloke in the scruffy hat in the 1950's etc etc. My world is full of footnotes. I collect them here when I can.
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Option Quad 3G/GPRS Lights |
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The Option Quad 3G/GPRS (Quad Band) PC data card Modem has a bunch of status lights but what do the flashing lights on the Option 3G/GPRS (Quad Band) data card Modem mean?
The flashing lights on the Option 3G/GPRS (Quad band) data card mean: -
- Blue light flashing on and off - Registered on 3G network
- Red light flashing on and off - Registered on GPRS network
- Both lights flashing on and off - no network selected
- Both lights flashing alternately - Indicates a card crash. Reboot the computer and retry.
- Both lights off - No power to card
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Last Updated on Tuesday, 03 February 2009 17:09 |
I like the Screen Sharing Application thats hidden away in Apple Mac OS X 10.5 Leopard. Its VNC based, and works well. There are a couple of tweaks you can make to it:- First to allow it to have a better browse interface you can set it to know about Bonjour
defaults write com.apple.ScreenSharing ShowBonjourBrowser_Debug 1 Second you can Add a better Toolbar
defaults write com.apple.ScreenSharing \
'NSToolbar Configuration ControlToolbar' -dict-add 'TB Item Identifiers' \
'(Scale,Control,Share,Curtain,Capture,FullScreen,GetClipboard,SendClipboard,Quality)' Last you can put it in your Applications Directory
cd /Applications/
ln -s /System/Library/CoreServices/Screen\ Sharing.app ./Screen\ Sharing
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Doing more with Tape Drives |
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Someone gave me a DLT 7000 Sun Tape Drive. What a great thing it is even if its out of date these days. From eBay I sourced an OEM Sun SCSI cable, which I connected to an old Sun SCSI card I had lying about (like you do). I also bought a bag of unused DLTtape IV tapes and a DLT IV cleaning tape - Not cheap not dear overall.
After a reconfiguration boot -r It shows up as /dev/rmt/1u on my Solaris 10 equipped Ultra 10. Actually there are a number of devices but this one puts it in its best mode ‘maximum storage using compression’ in this drives case thats 70GB using a type IV DLT tape. I found a Sun manual for an almost identical drive at http:/dlc.sun.com/pdf/805-0648-10/805-0648-10.pdf
Now I have an Ultra 10 with a network addressable tape drive and lovely Sun documentation. My world is complete.
Well almost.
You see, tapes and tape drive technology is one of those arcane corners where my knowledge is blurred. I used to love them, but haven’t really used them in anger for years. There are loads of Unix command lines I know and love, but I do not know them off by heart enough to trust myself with them. So here's what I did: -
First things first
Set the TAPE environment variable, I set it in /etc/profile using: TAPE=/dev/rmt/1u; export TAPE
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Last Updated on Tuesday, 03 February 2009 17:04 |
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Sometimes it can be unclear if access to terminal services based Windows Servers using Remote Desktop protocol (RDP) is slow because of the network, or because of the connection you have.
Tuning wont make any difference if the last mile is slow or if your RDP/TS client isnt set optimally. (RDP/TS is unusable over mobile (3G) broadband. Its bearable over a wireless connector. Its workable over ADSL and it shines on a permanent Internet connection.)
First of all Windows Vista's version of RDP 6.0 has loads of known performance problems, especially when connecting to Windows 2003 servers. Use Windows XP if possible.
If you have to use Vista you have to do the following : -
1) Run a command prompt (cmd.exe) as an Administrator
- Type: netsh interface tcp set global autotuninglevel=disabled
For Vista and XP there are settings you can tune, so run remote desktop and : -
1) Click Options.
2) Click the Experience tab.
3) Choose your connection speed to optimise performance
Experiment with this tab on remote sessions, lowest speed setting should give best performance
4) Click the Local Resources tab
Set Remote Sound - Do not play
Set Local Devices - uncheck all
5) Click the Display tab
Set Screen size 1024x768
Set depth to 16bit
Marvel at how much faster things just appeared to become.
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Last Updated on Tuesday, 17 February 2009 13:40 |
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