March 2021 - Page 40 of 69

How To Install Django — step-by-step Linux tutorial on Progressive Robot

How To Install Django

This tutorial explains how to install Python, how to create a virtual env, and how to install Django using Pip. These steps work on both CentOS and Ubuntu systems.Django is a free, open-source program that streamlines Python programming to help developers create “clean, pragmatic design”

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Ubuntu 20.04 — libsdl2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libsdl2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) đź“– ~4 min read  â€˘  Source: Ubuntu Security Notice USN-5274-1 Related CVEs: CVE-2020-14409 CVE-2020-14410 Upstream summary: It was discovered that Simple DirectMedia Layer library incorrectly handled memory when parsing certain specially crafted .BMP files. An attacker could possibly use […]

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How To Automatically Manage DNS Records From Kubernetes Using ExternalDNS — step-by-step Kubernetes tutorial on Progressive Robot

How To Automatically Manage DNS Records From Kubernetes Using ExternalDNS

ExternalDNS automatically manages external DNS records from within a Kubernetes cluster. Once deployed, ExternalDNS works in the background and requires almost no additional configuration. Whenever a Service or Ingress is created or changed, ExternalDNS will update the records right away. In this tutorial, you will install ExternalDNS to your Kubernetes cluster via Helm and configure to use the cloud provider as your DNS provider.

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How to Install Xdebug for PHP on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Xdebug for PHP on FreeBSD 12

Introduction How to Install Xdebug for PHP on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2021-2714)

đźź  High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 đź“– ~4 min read  â€˘  Source: ELSA advisory ELSA-2021-2714 Related CVEs: CVE-2021-32399 CVE-2021-33909 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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Alpine Linux edge — claws-mail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — claws-mail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.17.7-r0 đź“– ~4 min read  â€˘  Source: Alpine secdb entry — claws-mail 3.17.7-r0 Related CVEs: CVE-2020-16094 CVE-2020-15917 Upstream summary: Alpine community repository for vedge ships claws-mail 3.17.7-r0 which addresses CVE-2020-16094. Table of contents Symptom & Impact […]

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Common Problems 116014

Ubuntu 26.04 LTS – clock drift causes TLS and authentication failures – Fix & Prevention

đźź  High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 LTS đź“– ~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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Ubuntu 16.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide

đźź  High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) đź“– ~4 min read  â€˘  Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]

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