Logging Monitoring

Common Problems 115482

Root filesystem reaches 100 percent usage

🟡 Medium   ⏱ 5–30 min  Last verified: 26 February 2020 📖 ~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 […]

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Common Problems 112583

Windows Server 2019 — Uneven traffic distribution across NLB nodes due to NIC offload inconsistency — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 26 February 2020 Affected versions: Windows Server 2019 📖 ~2 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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openSUSE Tumbleweed — cups-pk-helper — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cups-pk-helper — 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-2012-4510 Upstream summary: cups-pk-helper before 0.2.3 does not properly wrap the (1) cupsGetFile and (2) cupsPutFile function calls, which allows user-assisted remote attackers to read […]

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How to Apply iFix Patches on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Apply iFix Patches on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to apply ifix patches on ibm aix 7.1 on IBM […]

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How to Deploy a Ruby on Rails Application on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Deploy a Ruby on Rails Application on FreeBSD 12

Introduction Deploying deploy a ruby on rails application on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within […]

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FreeBSD 12 — rubygem20-ruby_parser — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem20-ruby_parser — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-ruby_parser — insecure tmp file usage Related CVEs: CVE-2013-0162 Upstream summary: Michael Scherer reports: This is a relatively minor tmp file usage issue. Table of contents Symptom & Impact Environment […]

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Amazon Linux 2 — python-rtslib — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-rtslib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1589 Related CVEs: CVE-2020-14019 Upstream summary: A flaw was found in Open-iSCSI rtslib-fb through versions 2.1.72, where it has weak permissions for /etc/target/saveconfig.json because the shutil.copyfile, instead of shutil.copy is […]

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FreeBSD 12 — zabbix-agent — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zabbix-agent — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zabbix — php frontend multiple vulnerabilities Upstream summary: Secunia reports: Some vulnerabilities have been reported in the ZABBIX PHP frontend, which can be exploited by malicious people to conduct cross-site […]

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How to Set Up Docker Registry with Authentication on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Docker Registry with Authentication on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up docker registry with authentication on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step […]

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Amazon Linux 2 — libwebp — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libwebp — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1676 Related CVEs: CVE-2018-25011 CVE-2020-36328 CVE-2020-36329 CVE-2018-25013 CVE-2018-25014 CVE-2020-36330 CVE-2020-36331 Upstream summary: A flaw was found in libwebp. A heap-based buffer overflow was found in PutLE16(). The highest threat from […]

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