How to Manage System Packages with yum on RHEL 7 Package management is one of the most fundamental skills for a RHEL 7 system administrator. The Yellowdog Updater Modified (yum) is the default package manager on RHEL 7, and it handles everything from installing and removing software to managing repositories, grouping related packages, and maintaining […]
Introduction This tutorial demonstrates how to Install OpenShift CLI on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]
Introduction This guide explains how to Deploy a Flask App with Gunicorn 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 […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure kubernetes ingress controller on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]
How to Configure IIS Deployment with Web Deploy (MSDeploy) on Windows Server 2012 R2 Web Deploy (MSDeploy) is Microsoft’s tool for packaging, deploying, and synchronizing IIS web applications, their content, configuration, and associated components between servers. It is the standard mechanism used by Visual Studio’s “Publish” feature, Azure DevOps pipelines, and Octopus Deploy to push […]
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up minikube on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Minikube on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
StrongSwan is a robust open-source IPsec VPN solution that supports IKEv2 and is well-suited for site-to-site and remote-access VPN deployments. On RHEL 8, StrongSwan is available through the EPEL repository and integrates cleanly with firewalld and the system’s certificate infrastructure. This tutorial walks through installing StrongSwan, generating PKI certificates, configuring an IKEv2 road-warrior VPN, and […]
🟠 High ⏱ 5–30 min Last verified: 17 October 2020 Affected versions: Oracle Linux 8 📖 ~3 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 Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure mandatory integrity control on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Mandatory Integrity Control on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
Introduction Deploying configure nginx websocket proxying 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 […]
