PM2 is a production-grade process manager for Node.js applications that handles automatic restarts on crashes, log aggregation, clustering, and startup script generation for Linux init systems including systemd. Unlike running Node.js directly with node app.js, PM2 keeps your application alive across failures and server reboots without writing custom systemd unit files for every project. On […]
Introduction Deploying install k3s kubernetes on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]
How to Set Up AD FS 3.0 for Single Sign-On on Windows Server 2012 R2 Active Directory Federation Services 3.0 on Windows Server 2012 R2 delivers enterprise Single Sign-On capabilities, allowing users to authenticate once with their corporate Active Directory credentials and access multiple applications — both on-premises and cloud-hosted — without re-entering credentials. AD […]
🟠 High ⏱ 5–30 min Last verified: 3 October 2019 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
Introduction Deploying set up file integrity monitoring with aide 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. […]
Introduction How to Enable Brotli Compression in Nginx on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]
🟡 Medium ⏱ 5–30 min Last verified: 30 September 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]
How to Install Podman as a Rootless Docker Alternative on RHEL 7 Podman is a daemonless, rootless container engine developed by Red Hat that is fully compatible with the OCI (Open Container Initiative) standard and largely compatible with the Docker CLI. Unlike Docker, Podman does not require a long-running background daemon running as root, which […]
Introduction How to Install Puppet Agent on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This […]
Introduction This guide explains how to Install and Configure Varnish Cache 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 […]
