Backup Recovery

How to Configure SSL/TLS with OpenSSL on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on CentOS Stream 9

Introduction Setting up configure ssl/tls with openssl 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 Configure SSL/TLS with OpenSSL on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

Read more
How to Configure AIDE File Integrity Monitoring on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure AIDE File Integrity Monitoring on FreeBSD 14

Introduction This guide explains how to Configure AIDE File Integrity Monitoring on FreeBSD 14 on FreeBSD 14. 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 […]

Read more
How to Install Docker Compose on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Docker Compose on FreeBSD 14

Introduction Deploying install docker compose on freebsd 14 on a FreeBSD 14 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 […]

Read more
How to Secure Nginx with Let's Encrypt on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on FreeBSD 14

Introduction This guide explains how to Secure Nginx with Let’s Encrypt on FreeBSD 14 on FreeBSD 14. 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 […]

Read more
Common Problems 120199

Debian 12 NFTables Rules Not Persisting After Reboot (Debian 12 Post 048)

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2024 Affected versions: Debian 12 📖 ~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 & […]

Read more
How to Configure syslog on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Configure syslog on FreeBSD 14

Introduction How to Configure syslog on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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, and […]

Read more
How to Install Graylog Log Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Graylog Log Management on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install graylog log management on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and […]

Read more
How to Set Up Nginx as a Reverse Proxy on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up nginx as a reverse proxy on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each […]

Read more
Common Problems 117000

Ubuntu 22.04 LTS Cloud-Init Overwrites Manual Network Configuration

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2024 📖 ~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 […]

Read more
How to Install MySQL 8 on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install MySQL 8 on CentOS Stream 9

Introduction How to Install MySQL 8 on CentOS Stream 9 on CentOS Stream 9 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 […]

Read more
CHAT