How To Set Up SSH Keys on Ubuntu 16.04
SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on an Ubuntu 16.04 installation.
Amazon Linux 2 — kernel-livepatch-5.10.82-83.359 — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2LIVEPATCH-2022-076 Related CVEs: CVE-2021-4155 CVE-2022-0185 Upstream summary: A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned […]
Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2024-5079)
🟡 Medium ⏱ 10–30 min Last verified: 10 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-5079 Related CVEs: CVE-2023-6228 CVE-2023-25433 CVE-2018-15209 CVE-2023-52356 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
How To Install WordPress with LAMP on Ubuntu 16.04
WordPress is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL backend with PHP processing. WordPress has seen incredible adoption and is a great choice for getting a website up and…
Oracle Linux 9 — openssl — vulnerability — patch and remediation guide (ELSA-2022-10004)
🟠 High ⏱ 15–60 min Last verified: 10 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2022-10004 Related CVEs: CVE-2022-3786 CVE-2022-3602 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Variable Fonts on the Web Using CSS
Variable fonts are a new technology where one font file can contain multiple variations of the base font. Here you’ll see how to use them on the web.
openSUSE Tumbleweed — librsvg — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2023:3021-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38633 CVE-2021-25900 CVE-2011-3146 CVE-2013-1881 CVE-2019-20446 CVE-2017-11464 Upstream summary: A directory traversal problem in the URL decoder of librsvg before 2.56.3 could be used by local […]
How to Configure LDAP Security on Windows Server 2022
Introduction to Domain Joining Windows and Linux Machines Active Directory Domain Services (AD DS) on Windows Server 2022 serves as the central identity and access management platform for enterprise environments. Joining both Windows and Linux machines to an AD domain enables single sign-on, centralized authentication, Group Policy enforcement, and unified user management across heterogeneous infrastructure. […]
Oracle Linux 9 — Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings
🟠 High ⏱ 5–30 min Last verified: 9 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: Oracle Bug 34050377 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 […]
Windows Server 2019 — KB5032254 — multiple vulnerabilities (14 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5032254 • MSRC update-guide entry Related CVEs: CVE-2023-36397 CVE-2023-36036 CVE-2023-36428 CVE-2023-36425 CVE-2023-36424 CVE-2023-36423 CVE-2023-36705 CVE-2023-36403 +6 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]