🟠 High ⏱ 5–30 min Last verified: 5 June 2021 Affected versions: 14.04 LTS 📖 ~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 & […]
🟠 High ⏱ 15–60 min Last verified: 5 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-9307 Related CVEs: CVE-2020-36310 CVE-2021-29154 CVE-2021-23133 CVE-2020-28374 CVE-2021-31916 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
🟠 High ⏱ 15–60 min Last verified: 4 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-2168 Related CVEs: CVE-2021-3543 CVE-2021-3501 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟠 High ⏱ 5–30 min Last verified: 4 June 2021 Affected versions: 20.04 LTS 📖 ~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 & […]
🟠 High ⏱ 5–30 min Last verified: 4 June 2021 Affected versions: Windows Server 2019 📖 ~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 […]
Introduction How to Configure Jail Networking on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]
Python 3 is available on RHEL 8 through the AppStream module system, which lets you install and switch between multiple Python versions without compiling from source. Unlike older RHEL releases, RHEL 8 ships with Python 3.6, 3.8, 3.9, and (via later AppStream streams) 3.11 all coexisting on the same system. This tutorial shows you how […]
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 profile cpu with tprof on ibm aix 7.2 on […]
🟠 High ⏱ 15–60 min Last verified: 3 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5617-1 Related CVEs: CVE-2020-0543 CVE-2020-11739 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742 CVE-2020-11743 CVE-2020-15563 CVE-2020-15564 +12 more Upstream summary: It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, […]
How to Extend the Active Directory Schema on Windows Server 2012 R2 The Active Directory schema defines every object class and attribute that can exist in the directory. While the default schema covers most administrative and application needs, there are scenarios that require extending it — most commonly when installing Microsoft applications like Exchange Server, […]
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