Containers

How to Install Docker Engine on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Docker Engine on SLES 12

Introduction This tutorial covers How to Install Docker Engine on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Docker zypper install -y docker docker-compose Step 2 […]

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How to Install Node.js 14 LTS on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Node.js 14 LTS on Debian 10

Introduction How to Install Node.js 14 LTS on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]

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How to Install Memcached on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Memcached on Debian 10

Introduction Deploying install memcached on debian 10 on a Debian 10 Buster 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 […]

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How to Set Up borgbackup on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up borgbackup on Debian 10

Introduction How to Set Up borgbackup on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. This […]

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How to Configure PostgreSQL Remote Access on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on Debian 9

Introduction Deploying configure postgresql remote access 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 will […]

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Common Problems 117420

Ubuntu 20.04 LTS UFW Rules Not Persisting as Expected

🟡 Medium   ⏱ 5–30 min  Last verified: 5 May 2020 📖 ~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 PostgreSQL Remote Access on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on Debian 10

Introduction This guide explains how to Configure PostgreSQL Remote Access on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with the […]

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Common Problems 121664

Debian 9 – Docker or containerd fails after cgroup v2 migration

🟠 High   ⏱ 5–30 min  Last verified: 4 May 2020 Affected versions: Debian 9 📖 ~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 Set Up HTTPS Redirect in Apache2 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up HTTPS Redirect in Apache2 on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up https redirect in apache2 on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

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How to Configure StrongSwan IPsec on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure StrongSwan IPsec on Debian 9

Introduction How to Configure StrongSwan IPsec on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This […]

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