Memcached is a high-performance, distributed memory object caching system used to speed up dynamic web applications by reducing database load. On RHEL 8, Memcached is available directly from the AppStream repository, making installation straightforward. In this tutorial you will install Memcached, tune its configuration, restrict network access to trusted hosts only, and verify the setup […]
🟠 High ⏱ 5–30 min Last verified: 26 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 30287091 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 […]
🟠 High ⏱ 5–30 min Last verified: 26 January 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.4.9-r0 📖 ~4 min read • Source: Alpine secdb entry — zstd 1.4.9-r0 Related CVEs: CVE-2021-24032 CVE-2021-24031 CVE-2019-11922 Upstream summary: Alpine main repository for vedge ships zstd 1.4.9-r0 which addresses CVE-2021-24032. Table of contents Symptom & […]
Introduction This tutorial demonstrates how to Set Up NFS on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]
🟡 Medium ⏱ 15–45 min Last verified: 26 January 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2020-4693, IBM Support Bulletin CVE: CVE-2020-4693 NVD summary: IBM Spectrum Protect Operations Center 7.1.0.000 through 7.1.10 and 8.1.0.000 through 8.1.9 may allow an attacker to execute arbitrary code on the system, caused […]
🟡 Medium ⏱ 15–45 min Last verified: 26 January 2021 Affected versions: IBM AIX 7.1 Affected: 7.1, 7.2, 7.3 📖 ~4 min read • Source: NVD CVE-2021-38995, IBM Support Bulletin CVE: CVE-2021-38995 NVD summary: IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the […]
Prometheus and Grafana are two of the most widely adopted open-source tools for infrastructure monitoring and metrics visualization. Prometheus scrapes and stores time-series data from your systems, while Grafana turns that data into rich, interactive dashboards. Together they give RHEL 8 administrators a powerful, production-ready observability stack. This tutorial walks through installing both tools from […]
🟠 High ⏱ 15–60 min Last verified: 26 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-9129 Related CVEs: CVE-2021-3177 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 15–60 min Last verified: 26 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-5805 Related CVEs: CVE-2019-19054 CVE-2019-19462 CVE-2020-10768 CVE-2020-10767 CVE-2020-10732 CVE-2020-12888 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
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