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.
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 signals and cannot amplify. Devices like transistors and operational amplifier(op…
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 ask what the performance objectives are, we very often get…
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 update sudo apt-get install kernel-package libncurses5-dev fakeroot wget bzip2 Download…
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 resolving this issue.Finally I solved by removing PulseAudio and ALSA…
Over the years I found that members of software development teams, developers, testers, administrators and managers alike have an insufficient grasp on how to apply mathematics or interpret statistical data on the job. As performance testers, we must know and…
How to calculate the cost of test automation: Cost of test automation = Cost of tool(s) + Labor costs of script creation + Labor costs of script maintenance If a test script will be run every week for the…
Monitoring windows server require installation on NSClient ++ on windows host. How it works? For example disk space usage needs to be monitored on windows host. 1. Nagios will execute check_nt command on nagios-server and request it to monitor disk usage on…
JMeter has option to add monitor test plan to monitor application servers. But it only works with Tomcat 5 status servlet. But any servlet container that supports JMX (Java Management Extension) can port the status servlet to provide the same…
Load testing Microsoft SQL 2000 and SQL 2005 database server with JMeter. This will also work on SQL Server 2012, SQL Server 2008 R2, SQL Server 2008, SQL Server 2005 and SQL Azure. 1. Download the “Microsoft JDBC Driver 4.0 for…
Step 1: Download Selenium Core, Selenium IDE and Selenium RC from the website Step 2: Installing the IDE. It consists of an XPI file that needs to be added in Firefox. Step 3: Unzip the Selenium RC folder. Step…