When you get your hands on a chromebook, the first thing that you’ll notice is the keyboard looks different. Chromebook is missing DELETE and CapsLock Key (along with few other keys) that you are used to seeing in a keyboard. This tutorial explains everything that you need to know about your Chromebook keyboard shortcuts. Note: [...]
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Most software products usually have a programmatic automation of input and output interface, which facilitate the monkey test. With these interface, the product can be fully tested under various user input conditions. For Android development, there is a tool called monkey which can be executed in adb shell, that does pure random event generation. Also, [...]
insserv command is used to control the start and stop order of the services that are on a Linux system. It enables an installed system init script (boot script) by reading comment header of the init script and calculating the dependencies between all the scripts. Insserv scans for the system facilities in the configuration file [...]
Android provides a user level interface for VPN services with which programmer only need to focus on the interaction with remote server. Other actions, such as virtual interface creation, address and route configuration are done by OS. From the APP side, there are two components for a VPN connection, the client and the service. 1. [...]
od command in Linux is used to output the contents of a file in different formats with the octal format being the default. This command is especially useful when debugging Linux scripts for unwanted changes or characters. This article explains how to use od command with some examples. The basic syntax of this command is [...]
Du stands for Disk Usage. Linux du command is used for summarizing the disk usage in terms of file size. It can be used with folders to get the total disk usage. This article provides some examples on how to use du command effectively. All the du examples shown here are executed on a directory [...]
Lazy sysadmin is the best sysadmin –Anonymous System administrators job is not visible to other IT groups or end-users. Mostly they look at administrators and wonder why sysadmins don’t seem to have any work. If you see a sysadmin who is always running around, and trying to put down fire, and constantly dealing with production [...]
Hello! One of your friends recommended this blog. So, here you are. Thanks for stopping by. My name is Ramesh Natarajan. I have over 17 years of experience in the IT industry in various roles (developer, dba, sysadmin, manager, director etc.,). You can learn more about me here. This blog is focused on Linux and [...]
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about