Linux

How to Use Python Virtual Environments on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Deploy a Django App with Gunicorn and Nginx on Ubuntu 24.04

Django is a high-level Python web framework with a batteries-included philosophy. This guide deploys a Django application in production on Ubuntu 24.04 LTS using Gunicorn as the WSGI server and Nginx as the reverse proxy. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Python 3.12 and pip installed Nginx installed A […]

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Oracle Linux 8 — python3:3.6.8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3:3.6.8 — vulnerability — patch and remediation guide (ELSA-2024-10779)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 January 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-10779 Related CVEs: CVE-2024-11168 CVE-2024-9287 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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SLES 12 — orc — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — orc — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:6184 (see also SUSE bugzilla) Related CVEs: CVE-2024-40897 Upstream summary: Stack-based buffer overflow vulnerability exists in orcparse.c of ORC versions prior to 0.4.39. If a developer is tricked to process a specially […]

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Ubuntu 20.04にNFSマウントをセットアップする方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04にNFSマウントをセットアップする方法

このガイドでは、NFS機能に必要なコンポーネントをUbuntu 20.04にインストールする方法、サーバーとクライアントそれぞれのNFSマウントの設定方法、NFSリモート共有をマウント・アンマウントする方法について説明します。

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Oracle Linux 8 — .NET 6.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-7851 Related CVEs: CVE-2024-43484 CVE-2024-43483 CVE-2024-43485 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 9 — nodejs and nodejs-nodemon — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs and nodejs-nodemon — security and stability fixes — required update (ELSA-2022-6595)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6595 Related CVEs: CVE-2020-7788 CVE-2022-32213 CVE-2022-29244 CVE-2021-33502 CVE-2022-32215 CVE-2022-33987 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 127092

CentOS Stream 10 – Common Problem 138 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 11 January 2025 Affected versions: CentOS Stream 10 📖 ~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 120105

Debian 12 Cron Jobs Not Executing on Schedule

🟡 Medium   ⏱ 5–30 min  Last verified: 11 January 2025 Affected versions: Debian 12 📖 ~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 Use Skopeo for Container Images on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Use Skopeo for Container Images on CentOS Stream 10

Introduction This tutorial demonstrates how to Use Skopeo for Container Images on CentOS Stream 10 on CentOS Stream 10. 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 CentOS Stream 10 system with […]

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Common Problems 117005

Ubuntu 22.04 LTS – systemd service fails due to missing environment file – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 11 January 2025 Affected versions: Ubuntu 22.04 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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