CSS Grid Layout: The Repeat Notation
Use the repeat() notation with your row or column template definitions to more easily create multiple grid tracks.
Oracle Linux 8 — microcode_ctl security, — bug-fix and enhancement update (ELSA-2020-2431)
🟡 Medium ⏱ 10–30 min Last verified: 29 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-2431 Related CVEs: CVE-2020-0549 CVE-2020-0543 CVE-2020-0548 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
Ubuntu 14.04 LTS JVM processes crash with out of memory errors
🟠 High ⏱ 5–30 min Last verified: 29 September 2020 Affected versions: 14.04 📖 ~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 […]
Ubuntu 18.04 LTS – systemd service enters restart loop
🟠 High ⏱ 5–30 min Last verified: 29 September 2020 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]
RHEL 7 – GPG Key Mismatch Prevents Yum Package Validation
🟡 Medium ⏱ 5–30 min Last verified: 29 September 2020 📖 ~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 […]
How to Configure LVM on Oracle Linux 8
Introduction Setting up configure lvm on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure LVM on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
How to Use AIX Security Expert on IBM AIX 7.2
Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix security expert on ibm aix 7.2 on […]
How to Configure Kerberos Authentication on IBM AIX 7.2
Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure kerberos authentication on ibm aix 7.2 on IBM […]
How to Configure Hyper-V Generation 2 VMs on Windows Server 2012 R2
How to Configure Hyper-V Generation 2 VMs on Windows Server 2012 R2 Windows Server 2012 R2 introduced Generation 2 virtual machines as a significant advancement over the legacy Generation 1 VM architecture. Generation 2 VMs use a modern firmware model based on UEFI, support Secure Boot, replace IDE and legacy network adapters with purely synthetic […]
Ubuntu 16.04 — golang-websocket — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 29 September 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6208-1 Related CVEs: CVE-2020-27813 Upstream summary: It was discovered that Gorilla WebSocket incorrectly handled decoding WebSocket frames. An attacker could possibly use this issue to cause a crash, resulting in […]