Storage Disk

How to Set Up Dovecot IMAP Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on Debian 12

Introduction This guide explains how to Set Up Dovecot IMAP Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with […]

Read more
How to Set Up Splunk Universal Forwarder on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Splunk Universal Forwarder on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up splunk universal forwarder on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Splunk Universal Forwarder on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]

Read more
How to Install SaltStack on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install SaltStack on Oracle Linux 9

Introduction This tutorial demonstrates how to Install SaltStack on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the default AppStream […]

Read more
Common Problems 119981

Debian 12 – GRUB Rescue Prompt After Kernel Update – Restore Bootability

🔴 Critical   ⏱ 5–30 min  Last verified: 14 September 2023 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 a Virtual Host in Apache on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure a Virtual Host in Apache on CentOS Stream 9

Introduction Setting up configure a virtual host in apache 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 a Virtual Host in Apache on CentOS Stream 9, with all the commands you need, the SELinux […]

Read more
How to Use Podman on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use Podman 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 podman on ibm aix 7.1 on IBM AIX […]

Read more
How to Encrypt Disk Partitions with LUKS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on RHEL 9

LUKS (Linux Unified Key Setup) is the standard disk encryption framework on Linux, providing transparent block-level encryption that protects data at rest even if physical media is stolen. On RHEL 9, LUKS is backed by the cryptsetup tool and integrates tightly with the kernel’s device mapper subsystem. This tutorial walks through encrypting a new disk […]

Read more
How to Install GitHub Actions Runner on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install GitHub Actions Runner on CentOS Stream 9

Introduction Setting up install github actions runner 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 Install GitHub Actions Runner on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

Read more
Common Problems 119971

Debian 12 – dpkg Interrupted State Blocks Package Operations – Full Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 12 September 2023 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 BGP Routing with FRRouting on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure BGP Routing with FRRouting on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure bgp routing with frrouting on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure BGP Routing with FRRouting on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]

Read more
CHAT