A Linux® container is a set of 1 or more processes that are isolated from the rest of the system. All the files necessary to run them are provided from a distinct image, meaning Linux containers are portable and consistent as they move from development, to testing, and finally to produc...
Here is what we find in Wikipedia about namespaces: “Namespaces provide partitioning of kernel resources such that one set of processes sees one set of resources while another set of processes sees a different set of resources.” There are 8 namespace types available on Linux: Mount, PID, Ti...
When I attempted to remotely log in to a Linux ECS, the system displayed error message "Disconnected: No supported authentication methods available".A policy that denies
The output ofsos reportis the common starting point for Red Hat support engineers when performing an initial analysis of a service request for a Red Hat Enterprise Linux system. The utility provides a standardized way to collect diagnostic information that your Red Hat support engineer will referenc...
The Linux kernel is a monolithic kernel that's constantly growing; it had 20 million lines of code in 2018. From a foundational level, it's layered into a variety of subsystems. These main groups include a system call interface, process management, network stack, memory management, virtual ...
Format string overflow: In programming languages, when the format string function is used to generate character strings and the format string is customized by users, attackerscanforge the format string and use the features of the *printf() series functions to snoop on the content in the stack ...
1. The terminal is an interface that lets you access the command line on a computer.How to open the Apple terminalTo open the Apple terminal, follow these steps:In the Dock at the bottom of your screen, click the Finder icon.On the left side of the screen, under the Favorites section...
Giancarlo del Rossi, is a Software Maintenance Engineer at Red Hat. He has over 30 years of experience in the Information Technology environment and most of those years in Linux. Specialized in system administration and security, he is currently interested in C language programming and interaction ...
In this article What is WSL 2? Microsoft Loves Linux Windows Subsystem for Linux (WSL) is a feature of Windows that allows you to run a Linux environment on your Windows machine, without the need for a separate virtual machine or dual booting. WSL is designed to provide a seamless and pr...
A device driver is a special code that interfaces a physical device into the system and exports it to the user-space processes using a well-defined API. In a UNIX-like OS, where everything is a file, the physical device is represented as a file. Then, the device driver implements all ...