How to Configure Custom Domain, SSL, and CDN on App Platform
Learn how to configure custom domains, SSL certificates, and CDNs on an app platform to enhance your app’s performance and security.
How to maximize GPU utilization by finding the right batch size
Explore how to use various tools to maximize GPU utilization by finding the right batch size for model training in Jupyter Notebooks.
How to Install and Configure Memcached on RHEL 8
Memcached is a high-performance, distributed memory object caching system used to speed up dynamic web applications by reducing database load. On RHEL 8, Memcached is available directly from the AppStream repository, making installation straightforward. In this tutorial you will install Memcached, tune its configuration, restrict network access to trusted hosts only, and verify the setup […]
Automating Server Setup with Ansible: Un kit d’atelier the cloud provider
<$>[note] [label Automatiser la mise en place du serveur avec les matériaux du kit de l’atelier] Ce kit d’atelier est conçu pour aider un public technique à se familiariser avec les concepts de gestion de la configuration et à utiliser Ansible pour automatiser la configuration de…
Oracle Linux 8 — Running nohup prevents ssh command from executing
🟠 High ⏱ 5–30 min Last verified: 26 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 30287091 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 […]
Debian 9: Fail2ban blocks internal monitoring IPs
🟡 Medium ⏱ 5–30 min Last verified: 26 January 2021 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 & […]
Ubuntu 14.04 LTS – dist-upgrade aborts with held broken packages
🟠 High ⏱ 5–30 min Last verified: 26 January 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]
Ubuntu 20.04 LTS – systemd service fails with status=203/EXEC – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 26 January 2021 Affected versions: Ubuntu 20.04 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 […]
Alpine Linux edge — zstd — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.4.9-r0 📖 ~4 min read • Source: Alpine secdb entry — zstd 1.4.9-r0 Related CVEs: CVE-2021-24032 CVE-2021-24031 CVE-2019-11922 Upstream summary: Alpine main repository for vedge ships zstd 1.4.9-r0 which addresses CVE-2021-24032. Table of contents Symptom & […]
How to Set Up NFS on Oracle Linux 8
Introduction This tutorial demonstrates how to Set Up NFS on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]