How to Deploy Applications with Docker Compose on RHEL 7 Docker Compose lets you define and run multi-container applications using a single YAML file. Instead of managing individual docker run commands for each service, you describe the entire application stack — web server, database, cache, message queue — in a docker-compose.yml file and bring everything […]
How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 7 Uncontrolled traffic is one of the most common threats to web server stability. Whether the source is a poorly written client polling too aggressively, a scraper harvesting your content, or a low-volume denial-of-service attack, allowing unlimited requests to reach your application or upstream […]
How to Use PowerShell for Automated Deployments on Windows Server 2012 R2 PowerShell is the native automation language of Windows Server, and on Windows Server 2012 R2 with PowerShell 4.0, it provides a comprehensive toolkit for building reliable automated deployment pipelines. Unlike third-party deployment tools, PowerShell deployments require no additional software licenses, integrate directly with […]
Serving web traffic over HTTPS requires a valid TLS certificate and a correctly configured web server. On RHEL 8, the openssl tool is available out of the box and lets you generate RSA keys, create certificate signing requests, and issue self-signed certificates entirely from the command line. Self-signed certificates are ideal for internal services, staging […]
🟠 High ⏱ 5–30 min Last verified: 19 July 2020 Affected versions: Windows Server 2016 📖 ~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: 7 July 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 & […]
🟡 Medium ⏱ 5–30 min Last verified: 6 July 2020 📖 ~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 & Cross-Refs References & Further […]
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure apache mod_security 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 Active Directory Certificate Services (AD CS) on Windows Server 2016 provides a complete Public Key Infrastructure (PKI) platform for issuing and managing digital certificates used by SSL/TLS, smart card authentication, email signing, IPsec, code signing, and more. A two-tier PKI hierarchy — an offline Root CA and an online Issuing CA — is the […]
Introduction Deploying set up nginx as a reverse proxy on debian 10 on a Debian 10 Buster 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. […]
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