Php provides web based functionalities to develop web application. But it also provides system related scripting and execution features. exec() function is used to execute an external binary or program from a PHP script or application. In this tutorial we will look different use cases and examples of exec() function...
Linux provides different philosophy and use cases from system point of view. socat is very interesting command which provides us the ability to redirect input and outputs from different type of system resources like network, file, command, socket etc. Install For Debian, Ubuntu, Mint and Kali socat can be install...
Windows experts named Mark Russinovich and Bryce Cogswell have started writing simple but useful tools in 1996. They are provided these tool in those books related with Windows system internals. These tools became popular and released by them. They can be downloaded from a lot of alternative locations but their...
Operating systems have a lot of configurations. These configurations are stored in different ways in different locations. One of the most common storage for some generic information like Username, operating system path etc. is environment variables. In this tutorial we will look how to list, get and set Windows operating...
Windows operating system have a lot of third party tools used to get detailed system information like operating system, version, boot time, processor etc. We will look simple single command systeminfo to get detailed system information. List Information We will just issue the systeminfo command to get information about the computer.
1 | $ systeminfo |
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In computing RAM or Random Access Memory is very important. RAM technology is evolving in years. At the end of 90’s we were using 128 MB RAM. Yes 128 MB it is not joke. Today we are talking about 64, 128 GB RAMs for Laptops and Desktops. In this tutorial...
Linux uptime command is a simple command used to display how many times ago the computer or server restarted. Uptime command provides following information too; Current Time How lon the system has been running How may users currently logged in System avarage load in last 1, 5, 15 minutes Show...
Linux have a lot of tools to display file content. cat , less , tail etc. are some of them. They have different features and usage areas. Tail is mainly developed and used to display end of file. We will look different features and usage examples of tail command Syntax We will use...
Linux have a lot of different system metrics and performance monitoring tools. Sysstats provide a bunch of tools for monitoring purposes. This project is maintained by Sebastien Godard. These tool collects and reports system activity information about different aspects of the system like CPU, network, disk, tape, io etc. Sysstat...
Backup is the act of creating redundant clone of existing data or system. Backup can be done in personal computers or corporate systems. One of the important job of System Administrators is taking backups. Actually taking simply backup is not enough because for a professional system there need to be...
