Boot Startup

How to Configure Redis Sentinel on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Redis Sentinel on FreeBSD 12

Introduction How to Configure Redis Sentinel on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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 packet filtering, […]

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How to Set Up a Git Server with Gitea on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on RHEL 8

Gitea is a lightweight, self-hosted Git service written in Go that provides a GitHub-like web interface with a tiny resource footprint — ideal for teams that want a simple hosted Git server without the overhead of a full GitLab installation. On RHEL 8, Gitea can be set up in under an hour using a single […]

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How to Set Up IPsec with StrongSwan on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up IPsec with StrongSwan on FreeBSD 12

Introduction This guide explains how to Set Up IPsec with StrongSwan 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 […]

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How to Set Up Automatic Security Updates on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Automatic Security Updates on Debian 9

Introduction Deploying set up automatic security updates 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 You […]

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How to Set Up DRBD on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up DRBD on FreeBSD 12

Introduction Deploying set up drbd 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 base […]

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How to Set Up Alertmanager with Slack on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up Alertmanager with Slack on FreeBSD 12

Introduction This guide explains how to Set Up Alertmanager with Slack 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 […]

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How to Set Up WireGuard VPN on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up WireGuard VPN on FreeBSD 12 (ON-FREEBSD-12)

Introduction How to Set Up WireGuard VPN on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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 packet […]

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Common Problems 115049

RHEL 8 – auditd Backlog Limit Exceeded and Events Dropped

🟡 Medium   ⏱ 5–30 min  Last verified: 20 October 2019 📖 ~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 References & Further […]

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How to Configure Ansible to Manage AIX Nodes on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Ansible to Manage AIX Nodes 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 ansible to manage aix nodes on ibm aix […]

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How to Configure OpenVPN Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure OpenVPN Server on Debian 9

Introduction Deploying configure openvpn server 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 Ensure Debian 9 […]

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