December 2021 - Page 14 of 68

How to Install Nexus Repository Manager on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Nexus Repository Manager on RHEL 8

Nexus Repository Manager by Sonatype is a universal artifact repository that proxies public registries, hosts private packages, and groups repositories behind a single URL for Maven, npm, PyPI, Docker, and many other formats. Installing it on RHEL 8 gives your CI/CD pipeline a central artifact store that reduces external network calls and enforces governance over […]

Read more
Oracle Linux 8 — mod_auth_mellon — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mod_auth_mellon — security and stability fixes — required update (ELSA-2020-1660)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1660 Related CVEs: CVE-2019-13038 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Common Problems 113398

Windows Server 2012 R2 — Cumulative Update Fails with 0x800f0922 After Reboot — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 December 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
AlmaLinux 8 — keyutils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — keyutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4454 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 […]

Read more
How to Set Up a Kubernetes Dashboard on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Kubernetes Dashboard on CentOS Stream 9

Introduction Setting up set up a kubernetes dashboard on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Kubernetes Dashboard on CentOS Stream 9, with all the commands you need, the SELinux and firewalld […]

Read more
How to Use ibmservice to Register Support on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use ibmservice to Register Support on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibmservice to register support on ibm aix 7.1 […]

Read more
FreeBSD 13 — isc-dhcp3-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — isc-dhcp3-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcpd — format string vulnerabilities Related CVEs: CVE-2004-0460 CVE-2004-1006 Upstream summary: The ISC DHCP programs are vulnerable to several format string vulnerabilities which may allow a remote attacker to execute […]

Read more
CHAT