I tried to run the installer for CentOS 5 on my VirtualPC 2007. Until certain step it works, then suddenly it stops. This one remains me to first time running SuSE Linux on AMD K6 based processor long time ago. There were some buffer overrun which was not guarded by the Linux kernel.
After then we have to wait for the patch/fix.
Friday, August 31, 2007
Wednesday, August 29, 2007
Market Still Being Reluctant Towards Migrating to IMS-based Platform
A recent poll by Comptel Corporation (OMX Helsinki: CTL1V), the leading vendor of dynamic Operations Support Software (OSS), found that operators around the globe have still not fully decided on a migration path to IMS. The poll, conducted at Comptel’s annual User Group forum, showed that while a third (32%) of operators worldwide had decided to move towards an IMS architecture within next 2 years, another 32% had made no plans with regards to adoption.
In my opinion,
IMS sounds like the Holy Grail for integrating land line and mobile networks, which everybody already agreed that most likely it will be based on TCP/IP and UDP/IP stack. The adoption itself is no such an easy task, especially for already operating telecom operator.
My experience working with some telecom operators in Indonesia and Malaysia has shown that it is not that easy to implement a new paradigm in infrastructure for already operating telecom operator. Their main concern normally would be to keep the subscribers services. Migrating the system is not first priority. Maintaining current subscribers are first priority.
For newly launched telecom operators, it would very well make sense to adopt the latest technology straight away because there would be less entry barrier to adopt the new technology. As it is common in communications, electronics and telecommunications, the latest technology usually is much cheaper than the older ones.
Sunday, August 19, 2007
IBM become Solaris reseller for its x86 product!
IBM has offered Windows based solution, then Linux solution, Novell solution, and now it also offers Solaris solution. This is of course marked the true separation of Sun's hardware business and its Solaris operating system business (now earns mostly from support!), a path that Sun has chosen years ago. Jon Schwartz has stated in his blog that August 16th, 2007 was the milestone for the separation.
Actually Solaris has run on high end hardware other than Sun's, but still in the SPARC architecture circle (such as Fujitsu high end servers).
Now Solaris runs a business model pretty much similar to the RedHat Enterprise Linux (RHEL), competing head-to-head to it, and has the advantage of being positioned as high end operating system lowering down to earth, while RHEL was positioned (at least by community) as hacker operating system trying to go up to become high end platform.
As far as I can remember, Sun also run its StarOffice business under the same business model. So I think this business model is nothing new to Sun.
It will be most likely that other x86 based hardware major vendors (HP/Compaq, Dell, Fujitsu, etc) will join the bandwagon, but IBM has had the advantage of being one to catch the first wave. Now users will have other choice instead of using Windows, Linux, and Novell.
Actually Solaris has run on high end hardware other than Sun's, but still in the SPARC architecture circle (such as Fujitsu high end servers).
Now Solaris runs a business model pretty much similar to the RedHat Enterprise Linux (RHEL), competing head-to-head to it, and has the advantage of being positioned as high end operating system lowering down to earth, while RHEL was positioned (at least by community) as hacker operating system trying to go up to become high end platform.
As far as I can remember, Sun also run its StarOffice business under the same business model. So I think this business model is nothing new to Sun.
It will be most likely that other x86 based hardware major vendors (HP/Compaq, Dell, Fujitsu, etc) will join the bandwagon, but IBM has had the advantage of being one to catch the first wave. Now users will have other choice instead of using Windows, Linux, and Novell.
Saturday, August 18, 2007
No TELNET Client in Vista!?
Changing job always needs adjustments.
One of the most annoying thing is that you have to backup all your data, return your notebook to the office, and move the data to your new notebook. I moved to my personal notebook, cos starting from now I will be working on office's PC.
For me, I had an additional tasks, as I have to buy a new notebook. Making backup of all your data you have accumulated for more,than 1 year itself quite a tricky stuff. I have settled on the XP Professional, have a virtualized OpenSolaris 11 (Nevada) and CentOS 5, WebLogic 8.1 and WebLogic 9.2 installations along with the domains, and tons of codes personal stuffs to move.
My choice eventually fell on dual core Turion64 based Fujitsu lifebook. Large clear screen, economic, no camera, but I like it. Fujitsu also invented smart battery management and shock prevention software for hard drives.
One of the thing, is that latest computers only offer Vista. Mine is bundled with Vista Home Premium. It is much like changing platform from Linux to OpenSolaris. Lots of homeworks to do before you could run it so well.
Last week when I tried to work on with Tomcat, but my browser don't show anything. I need to check whether Tomcat service is available on the default port 8080. Then suddenly I found out that THERE IS NO TELNET CLIENT in Windows Vista! I checked the PATH variable, seems to be okay.
Then I googled around, and found out that TELNET client is disabled by default on Windows Vista!
You need to set it up like this, go to Control Panel:
Control Panel > Programs and Features > Turn Windows features on or off > Telnet client
Turn it on.
Amazingly, it took more than 10 minutes just to enable TELNET client! I got no idea why it took so long to enable such a simple trivial client application.
Later on I found out the reason why Tomcat not yet listening to port 8080. Vista blocked the port and asking for permission to listen to that port. This happens only the first time you run your Tomcat instance. If you enable client access feature, you need to reply to this kind of quite-annoying-prompts. Anyway I must be getting used to it.
Voila, Tomcat works again.
One of the most annoying thing is that you have to backup all your data, return your notebook to the office, and move the data to your new notebook. I moved to my personal notebook, cos starting from now I will be working on office's PC.
For me, I had an additional tasks, as I have to buy a new notebook. Making backup of all your data you have accumulated for more,than 1 year itself quite a tricky stuff. I have settled on the XP Professional, have a virtualized OpenSolaris 11 (Nevada) and CentOS 5, WebLogic 8.1 and WebLogic 9.2 installations along with the domains, and tons of codes personal stuffs to move.
My choice eventually fell on dual core Turion64 based Fujitsu lifebook. Large clear screen, economic, no camera, but I like it. Fujitsu also invented smart battery management and shock prevention software for hard drives.
One of the thing, is that latest computers only offer Vista. Mine is bundled with Vista Home Premium. It is much like changing platform from Linux to OpenSolaris. Lots of homeworks to do before you could run it so well.
Last week when I tried to work on with Tomcat, but my browser don't show anything. I need to check whether Tomcat service is available on the default port 8080. Then suddenly I found out that THERE IS NO TELNET CLIENT in Windows Vista! I checked the PATH variable, seems to be okay.
Then I googled around, and found out that TELNET client is disabled by default on Windows Vista!
You need to set it up like this, go to Control Panel:
Control Panel > Programs and Features > Turn Windows features on or off > Telnet client
Turn it on.
Amazingly, it took more than 10 minutes just to enable TELNET client! I got no idea why it took so long to enable such a simple trivial client application.
Later on I found out the reason why Tomcat not yet listening to port 8080. Vista blocked the port and asking for permission to listen to that port. This happens only the first time you run your Tomcat instance. If you enable client access feature, you need to reply to this kind of quite-annoying-prompts. Anyway I must be getting used to it.
Voila, Tomcat works again.
Friday, August 10, 2007
End of Unemployed Period and How To Work in Singapore
Today I collected my Singapore EP (employment pass), so right now I officially end up my unemployed period. Next week I will start working right away.
If you want to work at Singapore, you need to have a company that wants to hire you. After the interview and you have been admitted, than you will need to prepare at least these things:
Send the softcopy of the document (scanned) to your employer. They will make application for your EP.
If your document is not in English, then you need to translate it by translator attested by your country's embassy in Singapore, or you may as well go translate it to sworn translator in your country.
When the time your EP has been approved, or before, they might be asking you to show the original documents submitted. This is not always the case, but be prepared for it. Then you will need to collect your EP at Ministry of Manpowers (MOM) . This time you need to be physically present in Singapore.
If you want to go to the MOM office, take an MRT to the Clarke Quay station. Probably this is the most convenient way to get there. Right at the MRT station, you will find a lot of sign board showing where to go to the "Ministry of Manpower". Follow the board, cross the road and you will get to the MOM office. It will be better if you get there before 11am, Singapore time (GMT+8), so that you could be able to collect the EP document within the same day. Don't forget to bring:
If you want to work at Singapore, you need to have a company that wants to hire you. After the interview and you have been admitted, than you will need to prepare at least these things:
- Your passport.
- A passport size photo, black and white.
- Your university certificate, preferably in English, or translated to English.
- Your academic transcript, in English or translated to English.
Send the softcopy of the document (scanned) to your employer. They will make application for your EP.
If your document is not in English, then you need to translate it by translator attested by your country's embassy in Singapore, or you may as well go translate it to sworn translator in your country.
When the time your EP has been approved, or before, they might be asking you to show the original documents submitted. This is not always the case, but be prepared for it. Then you will need to collect your EP at Ministry of Manpowers (MOM) . This time you need to be physically present in Singapore.
If you want to go to the MOM office, take an MRT to the Clarke Quay station. Probably this is the most convenient way to get there. Right at the MRT station, you will find a lot of sign board showing where to go to the "Ministry of Manpower". Follow the board, cross the road and you will get to the MOM office. It will be better if you get there before 11am, Singapore time (GMT+8), so that you could be able to collect the EP document within the same day. Don't forget to bring:
- Your passport
- Your immigration card attached to your passport
- Passport size photo (you can take it for SGD 10 beside the MOM office)
- Declaration and forms from your employer
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