This tutorial explains how to install Ruby, how to install ruby gems with yum or from source, how to update ruby gems and the system, and how to install rails on Centos. Ruby on Rails is an application stack that provides web developers with a framework to quickly create a variety of web applications.
🟠 High ⏱ 15–60 min Last verified: 29 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-12011 Related CVEs: CVE-2022-39278 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
In this tutorial we will look at how to install Moodle, the open source CMS, on an Ubuntu 12.04 environment that has the LAMP stack already installed.
🟡 Medium ⏱ 10–30 min Last verified: 29 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-7672 Related CVEs: CVE-2022-4055 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟢 Low ⏱ 5–15 min Last verified: 28 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-6316 Related CVEs: CVE-2022-38900 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2218 Related CVEs: CVE-2016-10729 CVE-2016-10730 CVE-2022-37705 CVE-2023-30577 Upstream summary: An issue was discovered in Amanda 3.3.1. A user with backup privileges can trivially compromise a client installation. The "runtar" setuid […]
🟡 Medium ⏱ 10–30 min Last verified: 28 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-3429 CVE-2015-4707 CVE-2015-5607 CVE-2015-6938 CVE-2018-8768 CVE-2022-21699 Upstream summary: IPython Notebook 0.12 through 1.x before 1.2 does not validate the origin of websocket requests, which allows remote attackers to […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.102.0-r0 📖 ~4 min read • Source: Alpine secdb entry — doctl 1.102.0-r0 Related CVEs: CVE-2023-48795 Upstream summary: Alpine community repository for vedge ships doctl 1.102.0-r0 which addresses CVE-2023-48795. Table of contents Symptom & Impact Environment […]
🟢 Low ⏱ 5–15 min Last verified: 28 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6692-1 Related CVEs: CVE-2022-25647 Upstream summary: It was discovered that Gson incorrectly handled deserialization of untrusted input data. If a user or an automated system were tricked into opening a […]
🟡 Medium ⏱ 5–30 min Last verified: 28 March 2023 📖 ~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 […]
