Blog Archives

SQLite, JDBC & Solaris (SPARC)

SQLite is one of simple and powerful Database engine. Recently I was doing some testing and performance check, using a Java Code and Xerial SQLite-JDBC library. As a part of this, I wanted to run this test on Solaris 11

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Interesting Hardware Issue: Photoelectric Effect on R Pi 2

Recently Raspberry Pi 2 released. One of the user trying to take a photo of his board (at that time board in running condition). When his camera flash went off, board power also went off. After testing few times, user

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Intel NUC – Tiny but powerful

Update (Mid 2016): D54250WYKH – This old (2014/2015) model has serious hardware issues related to USB, Display and SATA interfaces. Some this issues not resolved even after BIOS update. Please refer the Intel NUC forum to understand more this. To

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Porject Ara – DevConf @ SG

Today, I manage to reach the Google Project Ara – DevConf by 10:30AM. Interesting talks and Ideas. Met interesting people like Greg Kroah-Hartman, George Grey, Ara Team. Saw interesting modules like Pluggable camera, UniPro Bridge Chip, Blood Glucometer, Water Tester,

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LDAP: Multiple Provider URLs

The LDAP service provider uses this URL to configure its connection to the directory server. Only the host, port, and dn parts of the URL are relevant in this setting. Supplying other parts of the URL results in a ConfigurationException(in

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Find the Yesterday

On GNU/Linux platform finding the particular date from current date is a no brainer task. For example: Yesterday: date –date=’yesterday’ Nextday: date –date=’next day’ OR date –date=’tomorrow’ Other Tricks: date –date=’10 year’ date –date=’10 year ago’ date –date=’this sunday’ But

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Android Udev Rules

Linux Udev rule file to interface Android Hardware for Application/System development. # Acer 0502 SUBSYSTEM==”usb”, ATTR{idVendor}==”0502″, MODE=”0666″, GROUP=”plugdev” # ASUS 0b05 SUBSYSTEM==”usb”, ATTR{idVendor}==”0b05″, MODE=”0666″, GROUP=”plugdev” # Dell 413c SUBSYSTEM==”usb”, ATTR{idVendor}==”413c”, MODE=”0666″, GROUP=”plugdev” # Foxconn 0489 SUBSYSTEM==”usb”, ATTR{idVendor}==”0489″, MODE=”0666″, GROUP=”plugdev” #

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Netbeans: Headers to Java File

In the Netbeans IDE, whenever you create a project/file, it adds the following header. /* * To change this template, choose Tools | Templates * and open the template in the editor. */ Here we will see, how to change

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HP V1910 L3 Switch – Review

My experience with HP L3 Switch (formally 3Com) V1910 (16 and 24 Ports) Pros: Low cost. It is a simple smartly managed switch. HP Support (so for so good) Suitable for simple /24 based network Cons: Only web based interface.

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Solaris 10: Replace the failed mirrored Boot Disk

I was lucky to identify Disk IO Error in one of our SunFire v215. The Disk contains the boot-able partition. So I have to replace ASAP. Here is the steps, that I followed to replace the failed mirror root disk.

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