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  • How to define multiple when conditions in AnsibleHow to define multiple when conditions in Ansible
    Sometimes we need to evaluate multiple when conditions in Ansible playbooks. Let us see how to define multiple when conditions in Ansible for a single task. The post How to define multiple when conditions in Ansible appeared first on nixCraft. Read more »
  • Linux Find Out BIOS Version Using a Command Line OptionLinux Find Out BIOS Version Using a Command Line Option
    {Updated} How do I find out BIOS version using a Linux command line option? How do I check the motherboard BIOS version using Linux command line option?The post Linux Find Out BIOS Version Using a Command Line Option appeared first on nixCraft. Read more »
  • OpenSSH Change a Passphrase With ssh-keygen commandOpenSSH Change a Passphrase With ssh-keygen command
    {Updated} How do I change OpenSSH passphrase for one of my private keys under Linux, OpenBSD, FreeBSD, Apple macOS/OS X or Unix-like operating systems?The post OpenSSH Change a Passphrase With ssh-keygen command appeared first on nixCraft. Read more »
  • How to find a path of a Linux command like a pro
    One of the most common questions I get is how can I find a Linux command path that I just installed on Linux using a package manager such as apt/dnf command. We have many new developers coming from the Windows world. Many are first-time Linux users. Some are using Linux… Read more »
  • What Does ‐‐ (double dash) Mean In SSH Shell Command?What Does ‐‐ (double dash) Mean In SSH Shell Command?
    {Updated} This page explains the use of the double-dash ('‐‐') in Linux, macOS, and Unix shell commands. For example: lxc exec container ‐‐ sh -c 'apt update && apt -y upgrade'. First, let us see what it does and when we might need it.The post What Does ‐‐ (double dash)… Read more »
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Linux Magazine

  • ­Basic Hacks for Kobo E-Readers
    With a little hacking, you can free your Kobo e-reader from its proprietary chains. You may even transform your e-reader into a more general-purpose device. Read more »
  • Kubuntu Focus Team Announces High-Performance Focus XE
    The team behind the KDE-powered Linux laptops is now offering an ultra-portable laptop that doesn't skimp on performance. Read more »
  • A Bash web server
    With one line of Bash code, you can create a Bash web server for quickly viewing the output from Bash scripts and commands. Read more »
  • Anatomy of a kernel attack
    A vulnerability in an operating system kernel is a security nightmare. This article analyzes some well known kernel security problems, explains how they are exploited, and gives real-life examples of attacks that used these time-honored techniques. Read more »
  • Control USB-powered devices with a Raspberry Pi
    Command-line tools and Node-RED on a Raspberry Pi let you control projects that use the USB ports. Read more »
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Linux Journal

  • How to Replace a Variable in a File Using SEDHow to Replace a Variable in a File Using SED
    by Suparna Ganguly Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable in a file using SED, you need to understand what… Read more »
  • How to Create a Shell Script in LinuxHow to Create a Shell Script in Linux
    by Suparna Ganguly Do you want to create a Shell script in your Linux system? This guide will take you through how to create a shell script using multiple text editors, how to add comments, and how to use Shell variables. But before heading over to creating a shell script,… Read more »
  • SQLite Extraction of Oracle Tables Tools, Methods and PitfallsSQLite Extraction of Oracle Tables Tools, Methods and Pitfalls
    by Charles Fisher Introduction The SQLite database is a wildly successful and ubiquitous software package that is mostly unknown to the larger IT community. Designed and coded by Dr. Richard Hipp, the third major revision of SQLite serves many users in market segments with critical requirements for software quality, which… Read more »
  • Vulnerability Detection and Patching: A Survey Of The Enterprise EnvironmentVulnerability Detection and Patching: A Survey Of The Enterprise Environment
    by Joao Correia Detecting vulnerabilities and managing the associated patching is challenging even in a small-scale Linux environment. Scale things up and the challenge becomes almost unsurmountable. There are approaches that help, but these approaches are unevenly applied. In our survey, State of Enterprise Vulnerability Detection and Patch Management, we… Read more »
  • Live Patching Requires Reproducible Builds – and Containers Are the AnswerLive Patching Requires Reproducible Builds – and Containers Are the Answer
    by Joao Correia We know that live patching has real benefits because it significantly reduces the downtime associated with frequent patching. But live patching is relatively difficult to achieve without causing other problems and for that reason live patching is not implemented as frequently as it could be. After all,… Read more »
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