2020 - Page 435 of 735

Common Problems 115461

firewalld Blocking Application Port After Deployment

🟡 Medium   ⏱ 5–30 min  Last verified: 27 May 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 113587

Windows Server 2012 R2 — PendingFileRenameOperations Blocks Security Patch Commit — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 27 May 2020 Affected versions: Windows Server 2012 R2 📖 ~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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Alpine Linux edge — mpv — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mpv — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.27.0-r3 📖 ~4 min read  •  Source: Alpine secdb entry — mpv 0.27.0-r3 Related CVEs: CVE-2018-6360 Upstream summary: Alpine community repository for vedge ships mpv 0.27.0-r3 which addresses CVE-2018-6360. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — mod_pubcookie — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_pubcookie — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_pubcookie — cross site scripting vulnerability Upstream summary: Nathan Dors of the Pubcookie Project reports: Non-persistent XSS vulnerabilities were found in the Pubcookie Apache module (mod_pubcookie) and ISAPI filter. These […]

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FreeBSD 12 — py37-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py37-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PyYAML — arbitrary code execution Related CVEs: CVE-2017-18342 CVE-2020-14343 CVE-2020-1747 Upstream summary: A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary […]

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FreeBSD 12 — rubygem-passenger — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-passenger — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-passenger — arbitrary file read vulnerability Related CVEs: CVE-2013-2119 CVE-2015-7519 CVE-2017-16355 Upstream summary: Phusion reports: The cPanel Security Team discovered a vulnerability in Passenger that allows users to list the […]

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How to Install Harbor Container Registry on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Harbor Container Registry on Debian 10

Introduction How to Install Harbor Container Registry on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 Debian 10. […]

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Gentoo Linux — dev-perl/DBI — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-perl/DBI — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202009-07 Related CVEs: CVE-2020-14392 CVE-2020-14393 Upstream summary: Multiple vulnerabilities have been discovered in the Perl module DBI. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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How To Install and Use OTPW for Single-Use SSH Passwords on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use OTPW for Single-Use SSH Passwords on Ubuntu 14.04

SSH is a way of connecting to a remote server securely. It includes a number of mechanisms to perform this task in a safe way. However, the protocol assumes that the computer that you are connecting from is secure. In this guide, we will instruct you on how to set up one time passwords as an option for connecting to your server from an insecure location. We will do this by configuring the OTPW utility on an Ubuntu 14.04 machine.

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