Introduction This tutorial covers How to Set Up STONITH for Cluster Fencing on SLES 15 on SLES 15. SLES 15 (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 15 system is up to […]
🟡 Medium ⏱ 5–30 min Last verified: 18 July 2021 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), qgnomeplatform (0.7.1), qt5 […]
🟢 Low ⏱ 5–15 min Last verified: 18 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: gpgme — heap-based buffer overflow in gpgsm status handler Related CVEs: CVE-2014-3564 Upstream summary: Tomas Trnka reports: Gpgme contains a buffer overflow in the gpgsm status handler that could possibly […]
Master Python string manipulation by learning how to remove whitespace and manage spaces with techniques like strip(), replace(), and regex for cleaner data.
🟢 Low ⏱ 5–15 min Last verified: 18 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: logstash-forwarder and logstash — susceptibility to POODLE vulnerability Upstream summary: Elastic reports: The combination of Logstash Forwarder and Lumberjack input (and output) was vulnerable to the POODLE attack in SSLv3 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:7639 Related CVEs: CVE-2021-4048 Upstream summary: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. Security Fix(es): * lapack: Out-of-bounds read in *larrv (CVE-2021-4048) For more details about the […]
Learn how to get the most out of the JavaScript switch statement.
🟢 Low ⏱ 5–15 min Last verified: 18 July 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-nicotine-plus — Denial of service vulnerability Related CVEs: CVE-2021-45848 Upstream summary: ztauras reports: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows […]
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install and configure varnish cache on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]
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