March 2021 - Page 18 of 69

How To Install And Manage Apache Qpid — step-by-step Linux tutorial on Progressive Robot

How To Install And Manage Apache Qpid

In this the cloud provider article, we are going to talk about Apache Qpid, which is one of the open-source messaging systems that implements the Advanced Message Queuing Protocol (AMQP) (similar to RabbitMQ – article #4.1) to help developers solve their needs of advanced messaging between different elements of application deployment stack. As a project, Qpid aims to implement AMQP 100%.

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Oracle Linux 8 — gcc-toolset-11-annobin — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gcc-toolset-11-annobin — vulnerability — patch and remediation guide (ELSA-2021-4591)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4591 Related CVEs: CVE-2021-42574 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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5 Common Turkey Setups For Your Dinner — step-by-step DevOps tutorial on Progressive Robot

5 Common Turkey Setups For Your Dinner

When deciding which turkey setup to use for your dinner, there are many factors to consider, such as flavor and texture scalability, equipment availability and reliability, cost, and preparation and cooking duration. Here is a list of commonly used turkey setups, with a…

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An Introduction to Closures and Currying in JavaScript — step-by-step Javascript tutorial on Progressive Robot

An Introduction to Closures and Currying in JavaScript

If you write code in JavaScript it’s quite likely you have come across the term `closure`, which is a useful yet often confusing concept. But just what is a closure? And what is currying? In this tutorial we’ll explain these terms and demonstrate their use with example JavaScript code.

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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-2023-3349)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3349 Related CVEs: CVE-2023-32233 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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Alpine Linux edge — mrxvt — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mrxvt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.5.4-r9 📖 ~4 min read  •  Source: Alpine secdb entry — mrxvt 0.5.4-r9 Related CVEs: CVE-2021-33477 Upstream summary: Alpine community repository for vedge ships mrxvt 0.5.4-r9 which addresses CVE-2021-33477. Table of contents Symptom & Impact Environment […]

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Common Problems 117478

Ubuntu 20.04 LTS – system fails to boot after kernel update

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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