July 19, 2009 at 6:32 pm
· Filed under cloud, innovation, twitter, web2.0
I discussed the subject with one of colleagues who is a Cloud Computing architect. I’m logging what my comment here
=-=-
To continue our previous talk is a huge discussion. I’d recommend you could start to get involved in http://twitter.com and follow
http://twitter.com/mashable
http://twitter.com/j3ffyang -> me
http://twitter.com/OpenIBM -> I own this too as of being admin for IBM Open Source Global community
When you hit any of above, you can see the bytes come from http://aws.amazon.com actually, which is an IaaS with no doubt. Twitter is a kind of social collaboration network -> an application running over Amazon Web Services (AWS). Twitter doesn’t own any hardware resources. Whenever Twitter needs computing capability, it goes to AWS and AWS fulfills its request… on demand. Even though Twitter sometimes out of service due to its overload.
@ IaaS, AWS not only gives power of hardware (CPU, memory, disk and network…), but also provides plugin / API to connect Twitter with Hadoop… and Simple Queue Service (SQS), and Simple Database (SDB).
You shouldn’t be surprised @ Twitter’s power to gather thousand of thousand developers around it, if keeping our eyes open. (Some reasons of the motivation of social collaboration in term of Web2.0). See these:
http://tweetwheel.com
http://ftags.com
http://tweetvalue.com/
http://www.tweetizen.com/
http://twittersnooze.com/
http://mrtweet.net/home/j3ffyang
http://tweettrail.com/search/hadoop
…
…
This list is almost endless. They’re all independent of twitter.com. The above are all SaaS, plugable into Twitter.com where provides API -> http://apiwiki.twitter.com/ and http://twitter.com/downloads – @ PaaS
This is an ecosystem.
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July 14, 2009 at 9:28 pm
· Filed under linux
gedit-editor > apps > totem > buffer-size | network-buffer-threshold
Change buffer-size = 10 & network-buffer-threshold = 10
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July 13, 2009 at 12:33 am
· Filed under linux, opensource
Stack: SeaMonkey 1.1.15 in Ubuntu 9.04
Symptom: Socks Proxy is set, but doesn’t work
Open SeaMoney > about:config in URL bar > type
network.proxy.type
then set the value = 2
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July 12, 2009 at 7:15 am
· Filed under linux, opensource
Installed cups-pdf in Ubuntu 9.04 and changed the following in /etc/cups/cups-pdf.conf
Out ${HOME}/Desktop
Restarted /etc/init.d/cups, still received
Could not open the file /home/{you}/Desktop/273_.pdf
in /var/log/cups/error_log
The solution is, in /etc/cups/cups-pdf.conf, change to
Out ${HOME}/PDF
and create PDF directory under your home directory
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July 9, 2009 at 11:05 pm
· Filed under linux, opensource, script, shell
Disable in gconf-editor
Or in command line:
To disable >
gconftool -s --type bool /apps/update-notifier/auto_launch false
To enable >
gconftool -s --type bool /apps/update-notifier/auto_launch true
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July 7, 2009 at 7:58 pm
· Filed under linux, opensource, virtualization
Stack
Host OS > Ubuntu 9.04
Guest OS > Windows XP
VirtualBox > 3.0.0
Hardware > ThinkPad T43, single CPU, 2G memory
Symptom: Windows XP hangs during shutdown
Resolution: Change the setting as the followings
VT – Enabled
Nested Paging – Disabled
ACPI – Enabled
IO ACPI – Disabled
PAE – Disabled
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July 7, 2009 at 4:12 am
· Filed under linux, opensource, virtualization
Configuration:
- Host OS > Ubuntu 9.04
- Guest OS > Windows XP
- VirutalBox > 3.0.0
Symptom: Windows XP crashes very frequently and the dump shows
As well as the message >
DRIVER_UNLOADED_WITHOUT_CANCELLING_PENDING_OPERATIONS
Solution:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Processor
Or
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Intelppm
And changing the ‘Start’ value to ’4′.
The detail @ http://blogs.msdn.com/virtual_pc…
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