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 Deploying enable ocsp stapling on nginx on a FreeBSD 15 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 a Local Container Registry with Harbor on RHEL 7 Harbor is a CNCF-graduated open-source container registry that extends a plain Docker registry with enterprise features: role-based access control (RBAC), replication policies, vulnerability scanning, content trust, and a web-based management UI. Running Harbor on your own RHEL 7 infrastructure means your container […]
Introduction Deploying configure apache2 with mod_security on a FreeBSD 15 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 + ports […]
How to Use Makefile for Build Automation on RHEL 7 The Makefile has been a cornerstone of software build automation since the 1970s, and it remains one of the most versatile and universally available tools on any Linux system. On RHEL 7, GNU Make is installed by default as part of the base system or […]
Introduction How to Set Up WordPress with Nginx on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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 […]
How to Install and Configure Drone CI on RHEL 7 Drone CI is a lightweight, container-native continuous integration platform built around the concept of pipelines-as-code. Unlike Jenkins, which requires significant plugin management and XML configuration, Drone uses a simple YAML file (.drone.yml) stored in your repository to define every aspect of a pipeline. Drone’s server […]
Introduction This guide explains how to Install and Configure Tomcat 10 on FreeBSD 15 on FreeBSD 15. 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 […]
Introduction Deploying configure ssl/tls on nginx on a FreeBSD 15 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 + ports […]
How to Install and Use Podman with Buildah on RHEL 7 As enterprises move away from Docker and toward daemonless container tools, Podman and Buildah have emerged as the preferred container toolkit on Red Hat Enterprise Linux. Podman provides a Docker-compatible CLI for running containers without a background daemon, while Buildah specializes in constructing OCI-compliant […]
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