A default PostgreSQL installation on RHEL 8 only accepts connections from the local machine over a Unix socket. To allow client applications on other hosts to connect, you must configure the server to listen on a network interface, update the host-based authentication file, open the firewall port, and enable SSL so that credentials and data […]
🟡 Medium ⏱ 10–30 min Last verified: 18 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-1608 Related CVEs: CVE-2020-36242 CVE-2020-25659 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟡 Medium ⏱ 5–30 min Last verified: 18 July 2021 Affected versions: Ubuntu 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2020:4580 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
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 […]
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