A Brief History of Linux
This tutorial explores the history of Linux by way of Unix, and outlines some popular Linux distributions.
AngularJS End of Life in 2026: 7 Smart Moves for Legacy Apps
AngularJS support ended years ago, but many legacy apps still run critical workflows. Here is how to reduce risk and decide what to do next.
Could Not Resolve security.ubuntu.com
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 […]
Alpine Linux edge — chrony — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.5.1-r0 📖 ~4 min read • Source: Alpine secdb entry — chrony 3.5.1-r0 Related CVEs: CVE-2020-14367 Upstream summary: Alpine main repository for vedge ships chrony 3.5.1-r0 which addresses CVE-2020-14367. Table of contents Symptom & Impact Environment […]
Ubuntu 16.04 LTS boot drops to initramfs after unclean shutdown
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: 16.04 16.04.7 📖 ~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 & […]
RHEL 10 – kernel update boots into emergency mode due to missing initramfs driver
🔴 Critical ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]
How to Set Up Splunk Universal Forwarder on SLES 12
Introduction This tutorial covers How to Set Up Splunk Universal Forwarder 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: […]
RHEL 10 Root Filesystem Fills Rapidly from Journal and Logs
🔴 Critical ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: RHEL 10 📖 ~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 & […]
openSUSE Tumbleweed — winrs — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2019:1111-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-3816 Upstream summary: Openwsman, versions up to and including 2.6.9, are vulnerable to arbitrary file disclosure because the working directory of openwsmand daemon was set […]
How to Use numa_node_info for NUMA Topology 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 numa_node_info for numa topology on ibm aix 7.1 […]
