Introduction This guide explains how to Configure Nginx Server Blocks on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the […]
🟡 Medium ⏱ 5–30 min Last verified: 15 August 2020 Affected versions: RHEL 7 📖 ~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 Install Keepalived for High Availability on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
Email authentication standards — SPF, DKIM, and DMARC — are the primary tools used by receiving mail servers to verify that messages claiming to come from your domain actually originate from your authorized infrastructure. Without them, your outbound mail is far more likely to land in spam folders or be rejected outright. On RHEL 8, […]
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install graylog log management on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up take zfs snapshots on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]
Introduction How to Install PHP 7.4 with PHP-FPM on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
How to Configure PowerShell Execution Policies on Windows Server 2012 R2 PowerShell execution policies control which scripts are allowed to run on a Windows system. On Windows Server 2012 R2, the default execution policy for Server Core installations is RemoteSigned, which permits locally written scripts and requires digital signatures only for scripts downloaded from the […]
Introduction Deploying install portainer on debian 9 on a Debian 9 Stretch 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 Ensure Debian 9 Stretch […]
Introduction Azure AD Hybrid Join registers Windows Server 2016 (and Windows 10/11) devices with both on-premises Active Directory and Azure Active Directory simultaneously. Hybrid-joined devices get a Device ID in Azure AD, enabling Conditional Access policies, Azure AD-based SSO to cloud resources, Microsoft Intune co-management, and cloud-delivered features like Windows Hello for Business. This guide […]
