How To Install and Secure Redis on Debian 9
Redis is an in-memory key-value store known for its flexibility, performance, and wide language support. This tutorial demonstrates how to install, configure, and secure Redis on a Debian 9 server.
Debian 9: MariaDB startup fails with InnoDB corruption
🔴 Critical ⏱ 5–30 min Last verified: 20 November 2022 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 & […]
How to Install and Secure phpMyAdmin on Debian 9 (DEBIAN-9-2)
Introduction How to Install and Secure phpMyAdmin 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. […]
Debian 9 Unmet Dependencies During full-upgrade
🟠 High ⏱ 5–30 min Last verified: 10 November 2022 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 & […]
How to Install Hadoop in Stand-Alone Mode on Debian 9
In this tutorial, you’ll install Hadoop in stand-alone mode on a Debian 9 server. You’ll also run an example MapReduce program to search for occurrences of a regular expression in text files.
How to Install Python 3.5 on Debian 9
Introduction Deploying install python 3.5 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 9 […]
Debian 9 Permissions Changed Incorrectly After Recursive chmod
🟠 High ⏱ 5–30 min Last verified: 29 October 2022 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 & […]
Debian 9: Nginx cannot bind to port 80
🟠 High ⏱ 5–30 min Last verified: 26 October 2022 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 & […]
OOM Killer Terminating Critical Application Processes
🔴 Critical ⏱ 5–30 min Last verified: 19 October 2022 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 & […]
Debian 9 Temporary Failure Resolving During apt update
🟡 Medium ⏱ 5–30 min Last verified: 13 October 2022 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 & […]
