Debian 9

How to Configure Fluentd Log Collector on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Fluentd Log Collector on Debian 9

Introduction Deploying configure fluentd log collector 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 Ensure Debian […]

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Установка Git на Debian 9 — step-by-step Linux tutorial on Progressive Robot

Установка Git на Debian 9

Системы контроля версий программного обеспечения помогают отслеживать программное обеспечение на уровне исходного кода. С помощью инструментов контроля версий вы сможете отслеживать изменения, возвращаться к предыдущим версиям и создавать ответвления для создания альтернативных…

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How to Set Up SSH Key Authentication on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up SSH Key Authentication on Debian 9

Introduction This guide explains how to Set Up SSH Key Authentication on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]

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How To Install the Apache Web Server on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Install the Apache Web Server on Debian 9

The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software. In this guide, we’ll explain how to install an Apache web server on your Debian 9 server.

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How to Set Up Horizontal Pod Autoscaling in Kubernetes on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Horizontal Pod Autoscaling in Kubernetes on Debian 9

Introduction Deploying set up horizontal pod autoscaling in kubernetes 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. […]

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Common Problems 121548

Cron Jobs Not Running Due to Environment Path Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 28 October 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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Common Problems 121593

Debian 9: PostgreSQL fails because WAL partition is full

🔴 Critical   ⏱ 5–30 min  Last verified: 27 October 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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Common Problems 121474

Debian 9 – apt update shows NO_PUBKEY and rejects repository signatures

🟠 High   ⏱ 5–30 min  Last verified: 27 October 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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Common Problems 121561

Debian 9 – systemd Journal Consumes Disk Space – Retention and Vacuum Strategy

🟡 Medium   ⏱ 5–30 min  Last verified: 24 October 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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