In this tutorial, you will set up an internal DNS server using two Ubuntu 22.04 servers. You will use the BIND name server software (BIND9) to resolve private hostnames and private IP addresses. This provides a central way to manage your internal hostnames and private IP addresses, which is indispensable when your environment expands to more than a few hosts.
🟠 High ⏱ 5–30 min Last verified: 19 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 29853602 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:4647 Related CVEs: CVE-2020-11018 CVE-2020-11019 CVE-2020-11038 CVE-2020-11039 CVE-2020-11040 CVE-2020-11041 CVE-2020-11042 CVE-2020-11043 +12 more Upstream summary: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The […]
🟠 High ⏱ 5–30 min Last verified: 19 August 2022 Affected versions: Debian 11 📖 ~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: 19 August 2022 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.6-r0 📖 ~4 min read • Source: Alpine secdb entry — zlib-ng 2.0.6-r0 Related CVEs: CVE-2022-37434 Upstream summary: Alpine main repository for vedge ships zlib-ng 2.0.6-r0 which addresses CVE-2022-37434. Table of contents Symptom & Impact Environment […]
🟠 High ⏱ 5–30 min Last verified: 19 August 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]
Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up rsync backup jobs on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2025:1215 Related CVEs: CVE-2020-11023 Upstream summary: Threading Building Blocks (TBB) is a C++ runtime library that abstracts the low-level threading details necessary for optimal multi-core performance. Security Fix(es): * jquery: Untrusted code […]
🟢 Low ⏱ 5–15 min Last verified: 19 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2007-6306 Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the image map feature in JFreeChart 1.0.8 allow remote attackers to inject arbitrary web script or HTML via the […]
