Introduction Setting up install nagios on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Nagios on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install nginx on freebsd 13 on FreeBSD 13 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. This […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying use skopeo for container images on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Use Skopeo for Container Images on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up strongswan ikev2 vpn on ibm aix 7.2 […]
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up pacemaker and corosync on freebsd 13 on FreeBSD 13 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 […]
How to Configure Prometheus AlertManager on RHEL 7 Prometheus collects and stores metrics, but on its own it cannot notify your team when something goes wrong. Alertmanager is the dedicated component that handles alert routing, deduplication, grouping, and delivery to receivers such as email, Slack, or PagerDuty. On RHEL 7, setting up Alertmanager alongside Prometheus […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure argocd on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure ArgoCD on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Introduction Deploying install rust on freebsd 13 on a FreeBSD 13 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 + […]
🟡 Medium ⏱ 10–30 min Last verified: 26 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1934 Related CVEs: CVE-2021-3639 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Nexus Repository Manager by Sonatype is a universal artifact repository that proxies public registries, hosts private packages, and groups repositories behind a single URL for Maven, npm, PyPI, Docker, and many other formats. Installing it on RHEL 8 gives your CI/CD pipeline a central artifact store that reduces external network calls and enforces governance over […]
