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openSUSE Tumbleweed — log4j12 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — log4j12 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0038-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23305 CVE-2022-23307 CVE-2022-23302 CVE-2017-5645 Upstream summary: By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter where the values to […]

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How to Install and Configure VNC on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure VNC on Debian 11

Virtual Network Computing, or VNC, is a connection system that allows you to use your keyboard and mouse to interact with a graphical desktop environment on a remote server. It makes managing files, software, and settings on a remote server easier for users who are not yet…

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How to Monitor Kubernetes with Prometheus and Grafana on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor Kubernetes with Prometheus and Grafana on RHEL 8

Prometheus and Grafana are the de facto standard observability stack for Kubernetes, providing metrics collection, long-term storage, alerting, and rich dashboarding in a single integrated solution. The kube-prometheus-stack Helm chart bundles Prometheus, Grafana, Alertmanager, and a comprehensive set of pre-built Kubernetes dashboards and alert rules into a single deployment that takes minutes to install. This […]

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IBM AIX 7.3 — CVE-1999-0117 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0117 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 23 September 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0117, IBM PSIRT advisory page CVE: CVE-1999-0117 NVD summary: AIX passwd allows local users to gain root access. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 120675

Debian 11 TLS Handshake Failures to Repository or API Endpoints

🟠 High   ⏱ 5–30 min  Last verified: 23 September 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 & […]

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IBM AIX 7.2 — CVE-2022-22442 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-22442 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 23 September 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-22442, IBM Support Bulletin CVE: CVE-2022-22442 NVD summary: "IBM InfoSphere Information Server 11.7 could allow an authenticated user to access information restricted to users with elevated privileges due to improper access controls. […]

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Common Problems 116928

Ubuntu 22.04 LTS – apt update reports release file changed – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 September 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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FreeBSD 13 — gcab — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gcab — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gcab — stack overflow Related CVEs: CVE-2018-5345 Upstream summary: Upstream reports: A stack-based buffer overflow within GNOME gcab through 0.7.4 can be exploited by malicious attackers to cause a crash […]

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How to Use IBM Security QRadar with AIX on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use IBM Security QRadar with AIX on IBM AIX 7.3

Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use ibm security qradar with aix on IBM AIX […]

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FreeBSD 13 — bitmessage — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — bitmessage — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bitmessage — remote code execution vulnerability Upstream summary: Bitmessage developers report: A remote code execution vulnerability has been spotted in use against some users running PyBitmessage v0.6.2. The cause was […]

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