Linux Tips – How to close a program that has frozen
Although Linux is a really stable platform, there will be some times that a program will freeze. In those cases most people are stuck on what to do. Generally you…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
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Security Testing – What is Security testing?
What is Security testing? Security testing is a process to determine that an information system protects data and maintains functionality as intended. It is the process that determines that confidential…
Fundamentals of testing – Why is testing necessary?
Why is testing necessary? Testing is necessary because we all make mistakes. Some of those mistakes are unimportant, but some of them are expensive or dangerous. We need to check…
Basic Electronics – 2
Passive Components RESISTORS To oppose the flow of electrons ( current). The symbols are shown below. Resistance is measured in units called “Ohm”. 1000 ohms is shown as 1k ohm…
Security Testing
Security Testing What is Security testing? Security testing is a process to determine that an information system protects data and maintains functionality as intended. It is the process that determines…
Basic Electronics – 1
Introduction Electronic component can be divided into 2 types: Active and Passive components Resistors and Capacitors etc. are known as passive components because they can only attenuate the electrical voltage and…
Solving software performance problems
How to solve software performance problems ? 1. Define your Objective -where you need to be? It is surprising that many projects do not have well-defined performance objectives. When we…
Compiling and Installing Custom Linux Kernel
Compiling and Installing Custom Linux Kernel The below mentioned steps will work in Ubuntu or debian like systems. I have tested it on Ubuntu 10.10. Download and unzip(preparing) sudo apt-get…
No Sound from Ubuntu linux or Mint
No Sound from Ubuntu linux or Mint Searched google for possible answer to the problem but solution mentioned was not sufficient to solve my issues. I wasted couple of weekends…