Networking

How to Enable USBGuard on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Enable USBGuard on Debian 13

Introduction This guide explains how to Enable USBGuard on Debian 13 on Debian 13 Trixie. Debian Trixie 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 13 install with the standard repositories […]

Read more
How to Install GitLab Runner on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install GitLab Runner on RHEL 10

Introduction Setting up install gitlab runner on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install GitLab Runner on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

Read more
How to Install Skopeo on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install Skopeo on Oracle Linux 10

Introduction Setting up install skopeo on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Skopeo on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

Read more
Common Problems 124178

Oracle Linux 10 – PAM faillock locks service accounts after automation retries

🟠 High   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Oracle Linux 10 📖 ~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 Install Go on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install Go on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying install go on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Go on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

Read more
Common Problems 119500

Debian 13 nftables or UFW Rules Blocking Required Traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 6 October 2025 📖 ~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 Configure VLAN Interfaces on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure VLAN Interfaces on Debian 13

Introduction Deploying configure vlan interfaces on a Debian 13 Trixie 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 13 Trixie is fully […]

Read more
Common Problems 116405

Ubuntu 24.04 LTS – Broken dependencies after interrupted upgrade – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 Monitor Nginx with nginx-prometheus-exporter on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Monitor Nginx with nginx-prometheus-exporter on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying monitor nginx with nginx-prometheus-exporter both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor Nginx with nginx-prometheus-exporter on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You […]

Read more
Common Problems 111195

Windows Server 2025 — RDMA/RoCE traffic disrupted after Hyper-V host NIC driver update — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Windows Server 2025 📖 ~2 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
CHAT