Networking

How to Set Up Alertmanager Email Notifications on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up Alertmanager Email Notifications on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up alertmanager email notifications on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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Common Problems 116625

Ubuntu 24.04 LTS – apt-daily causes high CPU and IO during business hours – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 September 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 […]

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How to Install Gitea on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Gitea on Debian 13

Introduction Deploying install gitea 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 updated […]

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Common Problems 116596

Ubuntu 24.04 LTS – No audio output with PipeWire – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 September 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 […]

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How to Secure MariaDB on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Secure MariaDB on Debian 13

Introduction Deploying secure mariadb 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 Before you begin, ensure you have a […]

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How to Set Up a Tor Relay on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up a Tor Relay on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up set up a tor relay on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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How to Create and Manage Users with useradd on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Create and Manage Users with useradd on RHEL 10

Introduction Setting up create and manage users with useradd on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Create and Manage Users with useradd on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Configure cgroups v2 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure cgroups v2 on Debian 13

Introduction How to Configure cgroups v2 on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]

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How to Use journalctl for Log Analysis on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Use journalctl for Log Analysis on Debian 13

Introduction Deploying use journalctl for log analysis 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 You will need a […]

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How to Use pgAdmin 4 to Manage PostgreSQL on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Use pgAdmin 4 to Manage PostgreSQL on Debian 13

Introduction This guide explains how to Use pgAdmin 4 to Manage PostgreSQL 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 […]

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