June 2021 - Page 12 of 66

Oracle Linux 8 — virt:ol and virt-devel:rhel security and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:rhel security and — enhancement update — new behaviour and fixes (ELSA-2024-2962)

  • June 25, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2962 Related CVEs: CVE-2023-3255 CVE-2023-5088 CVE-2023-6683 CVE-2023-6693 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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What is High Availability? — step-by-step DevOps tutorial on Progressive Robot

What is High Availability?

While handling increased system load is a common concern, decreasing downtime and eliminating single points of failure are just as important. High availability is a quality of infrastructure design at scale that addresses these latter considerations. In this guide, we will discuss what exactly high availability means and how it can improve your infrastructure’s reliability.

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Spring Dependency Injection — step-by-step DevOps tutorial on Progressive Robot

Spring Dependency Injection

URL: https://www.progressiverobot.com/spring-dependency-injection/ Today we will look into Spring Dependency Injection. Spring Framework core concepts are "Dependency Injection" and "Aspect Oriented Programming". I have written earlier about [Java Dependency Injection](/community/tutorials/java-dependency-injection-design-pattern-example-tutorial "Java Dependency Injection ") and how we can use [Google Guice](/community/tutorials/google-guice-dependency-injection-example-tutorial "Google Guice Dependency Injection Example Tutorial") framework to automate this process in our applications. Spring […]

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AlmaLinux 8 — evolution-ews — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — evolution-ews — vulnerability — patch and remediation guide

  • June 25, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4180 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to install WordPress on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How to install WordPress on Ubuntu

  • June 25, 2021
  • Linux
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URL: https://www.progressiverobot.com/install-wordpress-on-ubuntu/ In this article, we will focus on how to install WordPress on Ubuntu 18.04. WordPress is a free and open-source content management platform based on PHP and MySQL. It’s the world’s leading blogging and content management system with a market share of over 60%, dwarfing its rivals such as Joomla and Drupal. WordPress […]

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How to Configure Redis Cluster on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Redis Cluster on SLES 12

Introduction This tutorial covers How to Configure Redis Cluster on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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FreeBSD 13 — ImageMagick6-nox — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ImageMagick6-nox — multiple vulnerabilities (17 CVEs) — patch and remediation guide

  • June 25, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ImageMagick6 — multiple vulnerabilities Related CVEs: CVE-2019-10131 CVE-2019-10649 CVE-2019-10650 CVE-2019-10714 CVE-2019-11470 CVE-2019-11472 CVE-2019-11597 CVE-2019-11598  +9 more Upstream summary: CVE reports: Several vulnerabilities have been discovered in ImageMagick: CVE-2021-20309: A flaw […]

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FreeBSD 13 — lynx-ssl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — lynx-ssl — vulnerability — patch and remediation guide

  • June 25, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lynx — remote buffer overflow Related CVEs: CVE-2005-3120 Upstream summary: Ulf Härnhammar reports: When Lynx connects to an NNTP server to fetch information about the available articles in a newsgroup, […]

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