Firewall

How to Use cron and at Scheduling on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use cron and at Scheduling on IBM AIX 7.1

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 use cron and at scheduling on ibm aix 7.1 […]

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How to Set Up Horizontal Pod Autoscaling in Kubernetes on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Horizontal Pod Autoscaling in Kubernetes on Debian 9

Introduction Deploying set up horizontal pod autoscaling in kubernetes 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. […]

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How to Set Up ModSecurity WAF on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up ModSecurity WAF on Oracle Linux 8

Introduction This tutorial demonstrates how to Set Up ModSecurity WAF 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 […]

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How to Install Jenkins on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Jenkins on FreeBSD 12

Introduction This guide explains how to Install Jenkins 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 for fine-grained privilege separation. […]

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Common Problems 125063

Oracle Linux 8 – Common Problem 010 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 30 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 […]

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How to Configure OpenLDAP Server on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure OpenLDAP Server on IBM AIX 7.2

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 configure openldap server on ibm aix 7.2 on IBM […]

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How to Set Up Oracle Linux 8 with Podman in Rootless Mode — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Oracle Linux 8 with Podman in Rootless Mode

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up oracle linux 8 with podman in rootless mode both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Oracle Linux 8 with Podman in Rootless Mode, including dnf module streams where applicable, systemd unit management, […]

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How to Configure DNS Resolution on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure DNS Resolution on Oracle Linux 8

Introduction Setting up configure dns resolution on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure DNS Resolution on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Configure HACMP/PowerHA for High Availability on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure HACMP/PowerHA for High Availability on IBM AIX 7.2

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 configure hacmp/powerha for high availability on ibm aix 7.2 […]

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How to Install Netdata on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Netdata on Oracle Linux 8

Introduction How to Install Netdata on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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