No matter how strong your security may be, humans will be the primary attacking point. Learn how to protect yourself online, and by extension, your systems. Sharpen your awareness of social engineering techniques and how attackers gain access to systems.
URL: https://www.progressiverobot.com/struts2-interview-questions-and-answers/ Struts2 is one of the famous framework for developing web application in java. Recently I have wrote a lot of [Struts2 Tutorials](/community/tutorials/struts-2-tutorial "Struts2 Tutorial with Example Projects") and in this post, I am listing down some of the important Struts2 interview questions with answers to help you in interview. Struts2 Interview Questions [What […]
Learn how to convert a Set to a List in Java using methods like constructors, streams, and loops. Includes code examples, performance tips, and use cases.
Introduction This guide explains how to Install Keepalived for High Availability on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202103-26 Related CVEs: CVE-2021-26826 CVE-2021-26825 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.2.3-1. Fixed in: 3.2.3-2. Group: AVG-1544. Table of contents Symptom & Impact Environment & Reproduction Root […]
Comments are lines in computer programs that are ignored by compilers and interpreters. You can use comments to make your programs easier for other programmers to understand by providing more context or explanation what each part of a program is doing. In this tutorial, we will look at how to use comments in Ruby programs to leave notes, as well as how to use them as a debugging tool.
🟡 Medium ⏱ 10–30 min Last verified: 11 March 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6334-1 Related CVEs: CVE-2020-6097 CVE-2021-41054 CVE-2021-46671 CVE-2019-11365 CVE-2019-11366 Upstream summary: Peter Wang discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp […]
Der Autor wählte den Free and Open Source Fund, um eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Die Erstellung und Einführung von Cloud-IDE-Plattformen (IDE: Integrated…
In this tutorial you’ll learn how to install and use Bower on an Ubuntu 14.04 server. We’ll use to Bower to install Bootstrap and AngularJS and illustrate them running a simple application on an Nginx web server.
In this troubleshooting guide aimed at people new to Docker, you’ll troubleshoot problems when building Docker images, resolve naming collisions when running containers, and fix issues that come up when communication between containers.
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