🟠 High ⏱ 5–30 min Last verified: 2 April 2022 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 & […]
Introduction How to Set Up Log Rotation on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-057 Related CVEs: CVE-2021-33909 CVE-2021-33034 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]
Introduction Deploying set up timescaledb on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]
🔴 Critical ⏱ 5–30 min Last verified: 1 April 2022 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 & […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure xdebug for php on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Xdebug for PHP on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
Vagrant is a command-line tool for building and managing reproducible virtual machine environments, and when paired with VirtualBox it gives developers a fast, portable way to spin up isolated Linux VMs on a RHEL 8 host. Using a declarative Vagrantfile, you can define the base box, network settings, shared folders, and provisioning scripts so that […]
Apache’s mod_proxy module turns your existing Apache web server into a fully functional reverse proxy without requiring a second web server like Nginx. This is particularly useful when you already have Apache managing SSL termination, virtual hosts, or authentication, and want to forward traffic to a backend application server such as Tomcat, Node.js, or a […]
🟠 High ⏱ 5–30 min Last verified: 30 March 2022 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 & […]
Introduction to Azure Arc on Windows Server 2019 Azure Arc extends Azure management capabilities to infrastructure running outside of Azure, including on-premises servers, servers in other clouds, and edge devices. By connecting a Windows Server 2019 machine to Azure Arc, you can manage it from the Azure portal just like a native Azure VM, apply […]
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