🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
In this guide, you will install different versions of the Java Runtime Environment (JRE) and the Java Developer Kit (JDK) using Apt. You’ll install OpenJDK as well as the official JDK from Oracle. Then, you’ll select the version you wish to use for your projects. When you’re finished, you’ll be able to use the JDK to develop software or use the Java Runtime to run software.
In this tutorial, you will set up WireGuard on a Debian 11 server, and then configure another machine to connect to it as a peer using both IPv4 and IPv6 connections (commonly referred to as a _dual stack_ connection). You’ll also learn how to route the peer’s Internet traffic through the WireGuard server in a gateway configuration, in addition to using the VPN for an encrypted peer-to-peer tunnel.
A “LAMP” stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. This term is actually an acronym which represents the Linux operating system, with the Apache web server. The site data is stored in a MariaDB database, and dynamic content is processed by PHP.
When you first create a new Debian 11 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions. In this…
MariaDB is an open-source database management system, commonly used for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. In this tutorial, install it on Debian 11.
Nginx is one of the most popular web servers in the world and responsible for hosting some of the largest and highest-traffic sites on the internet. It is more resource-friendly than Apache in most cases and can be used as a web server or reverse proxy.
This tutorial will get your Debian 11 server set up with a Python 3 programming and runtime environment.
Suricata is a Network Security Monitoring (NSM) tool that uses sets of community created and user defined signatures (also referred to as rules) to examine and process network traffic. Suricata can generate log events, trigger alerts, and drop traffic…
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