Linux

Oracle Linux 8 — resource-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — resource-agents — vulnerability — patch and remediation guide (ELSA-2020-5947)

🟠 High   ⏱ 15–60 min  Last verified: 28 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5947 Related CVEs: CVE-2020-11078 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 Set Up a Certificate Authority with OpenSSL on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on Debian 9

Introduction This guide explains how to Set Up a Certificate Authority with OpenSSL 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 […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2020-5792)

🟠 High   ⏱ 15–60 min  Last verified: 28 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5792 Related CVEs: CVE-2020-15780 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 Set Up TimescaleDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up TimescaleDB on Debian 10

Introduction Deploying set up timescaledb on debian 10 on a Debian 10 Buster 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 Before you begin, […]

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Common Problems 114983

RHEL 8 kernel update boots without required storage driver

🟡 Medium   ⏱ 5–30 min  Last verified: 27 August 2020 📖 ~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 & Cross-Refs References & Further […]

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Installing mod_wsgi on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

Installing mod_wsgi on Ubuntu 12.04

mod_wsgi is a simple and easy to setup tool that serves python web apps from Apache server. It is also one of the recommended ways of getting Django into production. This article covers the steps required to installing an setup mod_wsgi with Apache.

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Ubuntu 18.04 — libcroco — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libcroco — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6958-1 Related CVEs: CVE-2017-7960 CVE-2017-8834 CVE-2017-8871 CVE-2020-12825 Upstream summary: It was discovered that Libcroco was incorrectly accessing data structures when reading bytes from memory, which could cause a heap buffer […]

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