Almost every web application employs a database to store the various kinds of information that it needs in order to operate. For example, a web application deployed by an online retailer might use a database to store the following information: ■ User accounts, credentials, and personal information ■ Descriptions and prices of goods for sale … Read more
In addition to the core communications protocol used to send messages between client and server, web applications employ numerous different technologies to deliver their functionality. Any reasonably functional application may employ dozens of distinct technologies within its server and client components. Before you can mount a serious attack against a web application, you need a … Read more
Before we go further, it’s worth underlining the various differences between a kernel module and an application. Whereas an application performs a single task from beginning to end, a module registers itself in order to serve future requests, and its “main” function terminates immediately. In other words, the task of the function init_module (the module’s entry … Read more
The Unix way of looking at devices distinguishes between three device types. Each module usually implements one of these types, and thus is classifiable as a char module, a block module, or a network module. This division of modules into different types, or classes, is not a rigid one; the programmer can choose to build … Read more
Visual Studio Code is an open-source cross-platform code editor developed by Microsoft. It has a built-in debugging support, embedded Git control, syntax highlighting, code completion, integrated terminal, code refactoring and snippets. Prerequisites You’ll need to be logged in as a user with sudo access to be able to install packages. Installing Visual Studio Code on … Read more
The official Wine repository has built the packages for Ubuntu 14.04, Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.04. Follow the steps one by one to add the repository and install Wine 2.9: 1. Open terminal via Ctrl+Alt+T, and run command to install the key: wget https://dl.winehq.org/wine-builds/Release.key && sudo apt-key add Release.key 2. Then add the Wine … Read more
You can also use the dmidecode utility to extract hardware information by reading data from the DMI tables. To print information about system, run this command. To print information about BIOS, run this command. To print information about processor, run this command.
PCI devices may included usb ports, graphics cards, network adapters etc. The lspci tool is used to generate information concerning all PCI controllers on your system plus the devices that are connected to them. Use the -t option to produce output in a tree format. Use the -v option to produce detailed information about each … Read more
The lsusb command is used to report information about USB controllers and all the devices that are connected to them. You can use the -v option to generate a detailed information about each USB device.
Block devices are storage devices such as hard disks, flash drives etc. lsblk command is used to report information about block devices