C++ foreach Loop: Modern Patterns and AI-Optimized Code
Master C++ foreach loops with modern optimization techniques and AI-generated patterns. Learn performance how to leverage LLMs for C++ usage.
Amazon Linux 2 — libsepol — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2307 Related CVEs: CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper). (CVE-2021-36084) The CIL compiler in […]
Customizing Go Binaries with Build Tags
In Go, a build tag, or a build constraint, is an identifier added to a piece of code that determines when the file should be included in a package during the build process. This allows you to build different versions of your Go application from the same source code and to toggle between them in a fast and organized manner. In this article, you will use build tags in Go to generate different executable binaries that offer Free, Pro, and Enterprise feature sets of a sample application.
Oracle Linux 8 — samba — vulnerability — patch and remediation guide (ELSA-2021-4058)
🟡 Medium ⏱ 10–30 min Last verified: 19 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4058 Related CVEs: CVE-2021-20254 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
FreeBSD 12 — linux-flashplayer — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 19 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Flash Player — arbitrary code execution Related CVEs: CVE-2017-11213 CVE-2017-11215 CVE-2017-11225 CVE-2017-11281 CVE-2017-11282 CVE-2017-11292 CVE-2017-2925 CVE-2017-2926 +12 more Upstream summary: Adobe reports: This update resolves a NULL pointer dereference vulnerability […]
How to Configure Kerberos Authentication on RHEL 8
Kerberos is a mature, ticket-based network authentication protocol that allows services and users to prove their identity to one another without transmitting passwords over the network. MIT Kerberos is the reference implementation and is packaged in RHEL 8’s default repositories. Setting up a Key Distribution Center (KDC) gives you a centralised authentication infrastructure that integrates […]
Oracle Linux 8 — SAN boot may fail when using an Emulex 32GB FC Adapter
🟠 High ⏱ 5–30 min Last verified: 18 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 31898488 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 […]
FreeBSD 13 — syslog-ng — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 18 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: syslog-ng2 — startup directory leakage in the chroot environment Related CVEs: CVE-2008-5110 Upstream summary: Florian Grandel reports: I have not had the time to analyze all of syslog-ng code. But […]
How to Set Up SSH Two-Factor Authentication on SLES 12
Introduction This tutorial covers How to Set Up SSH Two-Factor Authentication 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: […]
AlmaLinux 8 — libcmis — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:4628 Related CVEs: CVE-2020-12802 CVE-2020-12803 Upstream summary: LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a […]
