Troubleshooting

openSUSE Tumbleweed — libtomcrypt1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libtomcrypt1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-12437 Upstream summary: LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To […]

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FreeBSD 12 — zh-chitex — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-chitex — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ChiTeX/ChiLaTeX unsafe set-user-id root Upstream summary: Niels Heinen reports that ChiTeX installs set-user-id root executables that invoked system(3) without setting up the environment, trivially allowing local root compromise. Table of […]

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How to Set Up a Python Django Application on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Python Django Application on Debian 9

Introduction How to Set Up a Python Django Application on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:0358-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-6096 CVE-2013-7107 CVE-2013-7108 CVE-2014-2386 Upstream summary: Multiple stack-based buffer overflows in the get_history function in history.cgi in Nagios Core before 3.4.4, and Icinga 1.6.x before […]

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Common Problems 113424

Windows Server 2016 – Failover cluster heartbeat network drops trigger node eviction – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 30 November 2019 Affected versions: Windows Server 2016 📖 ~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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FreeBSD 12 — linux-png — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-png — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libpng stack-based buffer overflow and other code concerns Related CVEs: CVE-2004-0421 CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 Upstream summary: Chris Evans has discovered multiple vulnerabilities in libpng, which can be exploited by malicious […]

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Common Problems 113018

Windows Server 2016 – SMB Direct RDMA driver mismatch causes connection fallback – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 November 2019 Affected versions: Windows Server 2016 📖 ~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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SLES 15 — cracklib — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cracklib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 November 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-6318 Upstream summary: Stack-based buffer overflow in the FascistGecosUser function in lib/fascist.c in cracklib allows local users to cause a denial of service (application crash) […]

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How to Install ArgoCD on Kubernetes on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install ArgoCD on Kubernetes on RHEL 7

How to Install ArgoCD on Kubernetes on RHEL 7 ArgoCD is a declarative, GitOps-based continuous delivery tool for Kubernetes. The core principle of GitOps is that the desired state of your cluster is stored in a Git repository, and a controller continuously reconciles the live cluster state against that desired state. ArgoCD monitors your Git […]

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openSUSE Tumbleweed — perl-File-Path — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-File-Path — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-6512 Upstream summary: Race condition in the rmtree and remove_tree functions in the File-Path module before 2.13 for Perl allows attackers to set the mode […]

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