October 2022 - Page 28 of 72

Ubuntu 20.04 — libbpf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libbpf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5759-2 Related CVEs: CVE-2022-3534 CVE-2022-3606 Upstream summary: USN-5759-1 fixed vulnerabilities in LibBPF. This update provides the corresponding updates for Ubuntu 20.04 ESM. Original advisory details: It was discovered that LibBPF […]

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How To Get Started With Python in Visual Studio Code — step-by-step Python tutorial on Progressive Robot

How To Get Started With Python in Visual Studio Code

Python is one of the most popular and easy to learn languages, which is why it is often one of the first languages you learn. Let’s see how to work with and run Python inside of Visual Studio Code. In this tutorial you’ll install the Python extension then use intellisense and shortcuts to run your Python code.

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Entendendo Bancos de Dados Gerenciados — step-by-step DevOps tutorial on Progressive Robot

Entendendo Bancos de Dados Gerenciados

Armazenamento de dados seguro e confiável é uma necessidade para quase todas as aplicações modernas. No entanto, a infraestrutura necessária para um banco de dados local autogerenciado pode ser proibitivamente cara para muitas equipes. Da mesma forma, funcionários que possuem as…

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Oracle Linux 8 — postgresql:12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:12 — vulnerability — patch and remediation guide (ELSA-2022-4807)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4807 Related CVEs: CVE-2022-1552 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Install Rust with rustup on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Rust with rustup on Debian 11

Introduction How to Install Rust with rustup on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. […]

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IBM AIX 7.3 — CVE-2021-38933 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-38933 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-38933, IBM Support Bulletin CVE: CVE-2021-38933 NVD summary: IBM Sterling Connect:Direct for UNIX 1.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force […]

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Common Problems 121578

OOM Killer Terminating Critical Application Processes

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 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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FreeBSD 13 — py310-django-photologue — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-django-photologue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-django-photologue — XSS vulnerability Related CVEs: CVE-2022-4526 Upstream summary: domiee13 reports: A vulnerability was found in django-photologue up to 3.15.1 and classified as problematic. Affected by this issue is some […]

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Common Problems 114102

fapolicyd blocks trusted in-house binary

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Application execution denied by file access policy daemon. Symptoms Users receive operation […]

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