How to Set Up a Bash Profile, .bashrc and Environment Variables on RHEL 7 A well-configured shell environment can dramatically improve your productivity as a Linux administrator. On Red Hat Enterprise Linux 7, Bash is the default login shell and it reads several configuration files at startup, each serving a distinct purpose. Understanding the difference […]
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure hot-plug pci devices on ibm aix 7.1 on […]
Introduction This guide explains how to Configure Network Bonding with LACP on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with […]
Running your own DNS server gives you full control over name resolution for internal infrastructure and reduces dependency on external resolvers. BIND9 (Berkeley Internet Name Domain) is the most widely deployed DNS server in the world and is available in the default RHEL 8 repositories. On RHEL 8, the package is split into bind (the […]
Apache Kafka is a distributed event streaming platform capable of handling millions of messages per second, making it a popular choice for real-time data pipelines, log aggregation, and event-driven microservices. Kafka is distributed as a self-contained binary archive and does not require a package manager installation, so the setup process involves downloading, configuring, and wrapping […]
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install loki log aggregation on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]
Flask is a lightweight Python web framework well-suited for building APIs and web applications on RHEL 8. Gunicorn acts as the production-grade WSGI server that runs your Flask app, while Nginx sits in front as a reverse proxy handling incoming traffic. This guide walks through deploying a Flask application on RHEL 8 using a Python […]
🟡 Medium ⏱ 5–30 min Last verified: 23 April 2020 Affected versions: 16.04 📖 ~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 […]
Introduction Deploying configure zabbix agent 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. Prerequisites Before you begin, […]
Introduction How to Manage Users and Groups on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]
