TL;DR Buy 3 x 18650 batteries, a 3s 18650 10A BMS, a DC male power plug, a DC female power socket and solder them. Power up using a 12V 2A (or higher ampere) power adapter. You are done! Introduction Some of you should be working from home and are looking for power backups to survive your “day job”. With the ...
TL;DR JRE’s cacerts might not have the Certification Authority (CA) certificate to validate the CA that issued the certificate of the host you are calling. If so, add it. Problem I was trying to access an external API endpoint and unfortunately, it failed with the following error message. javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification ...
This is the second post about setting up a server for home or small business with SAMBA. If you haven’t seen the 1st post read it here : http://blog.sanjaya.me/setting-up-a-server-for-home-or-small-business-1-configure-samba-file-server-with-ubuntu/ Printer sharing with SAMBA I have already installed HP Deskjet 3920 printer in my server machine and enabled sharing. (Open “Printing” application >> Right click on the printer, see whether sharing ...
This is the second post about setting up a server for home or small business with SAMBA. If you haven’t seen the 1st post read it here : Setting up a server for home or small business | 1- Configure SAMBA file server with Ubuntu Printer sharing with SAMBA I have already installed HP Deskjet 3920 printer in my server ...
SAMBA for Home or Small Business First of all what is SAMBA? It’s a free File and Print server which can be used in Linux and UNIX based Oss for file and printer sharing with windows machines. So now you got the idea. But why use Samba with Ubuntu? First it is free! When configured, works smoothly. Less need of ...
SAMBA for Home or Small Business First of all what is SAMBA? It’s a free File and Print server which can be used in Linux and UNIX based Oss for file and printer sharing with windows machines. So now you got the idea. But why use Samba with Ubuntu? First it is free! When configured, works smoothly. Less need of ...
Writing a post after several months You may have come across this problem. Usually when you install Windows 7, if you need to install XP as dual boot you need to bother a bit. Either you can try installing XP into another partition and later repair the boot manager by booting with a Windows 7 DVD and choosing Repair. Or ...
Writing a post after several months You may have come across this problem. Usually when you install Windows 7, if you need to install XP as dual boot you need to bother a bit. Either you can try installing XP into another partition and later repair the boot manager by booting with a Windows 7 DVD and choosing Repair. Or ...
OpenCV ? If you don’t know yet, OpenCV is a free library for image processing and computer vision applications. You can find more info from their web site. So why QT ? OpenCV can be used mainly in programs written in C and C++ (not only that, there are so many wrappers which enables you to work with OpenCV in ...
OpenCV ? If you don’t know yet, OpenCV is a free library for image processing and computer vision applications. You can find more info from their web site. So why QT ? OpenCV can be used mainly in programs written in C and C++ (not only that, there are so many wrappers which enables you to work with OpenCV in ...
You may have come across this problem. When you add the availability information in the backend for a product, in the frontened the availability image will be displayed with a phrase “Usually ships in” which you may not need. Let’s see how to solve this. (I’m using Virtuemart 1.9 package. For ...