2019 - Page 392 of 527

Common Problems 118552

Ubuntu 16.04 Apache2 Fails to Start Because Port 80 Is In Use

🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 2019 📖 ~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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How to Move a WPAR Between Systems on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Move a WPAR Between Systems on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to move a wpar between systems on ibm aix 7.2 […]

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Ubuntu 14.04 — vlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — vlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 June 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4805-1 Related CVEs: CVE-2017-10699 CVE-2018-11529 Upstream summary: It was discovered that VLC mishandled certain crafted media files. An attacker could use this vulnerability to cause a denial of service (crash) […]

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Arch Linux — libxslt — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libxslt — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201703-5 Related CVEs: CVE-2017-5029 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.1.29+23+geb1030d-1. Fixed in: 1.1.29+41+gdf5330d1-1. Group: AVG-195. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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"The method X is ambiguous for the type Y" Java ambiguous method call null error — step-by-step Programming tutorial on Progressive Robot

“The method X is ambiguous for the type Y” Java ambiguous method call null error

URL: https://www.progressiverobot.com/the-method-is-ambiguous-for-the-type-java-ambiguous-method-call-null-error/ If you are reading this, chances are you got The method X is ambiguous for the type Y error when compiling a java program in terminal or in any Java IDE. Java ambiguous method call Here we are going to explain why java ambiguous method call error comes with some examples. This ambiguous […]

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How to Manage the Active Directory Schema on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Manage the Active Directory Schema on Windows Server 2016

How to Configure Windows Server 2016 Active Directory Schema The Active Directory schema is the blueprint for every object stored in the directory. It defines object classes such as users, computers, and groups, and the attributes that belong to each class. In Windows Server 2016, the schema is stored in the Schema naming context of […]

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SLES 12 — mercurial — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — mercurial — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1558-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-9462 CVE-2019-3902 CVE-2014-9462 CVE-2016-3068 CVE-2016-3069 CVE-2016-3105 CVE-2016-3630 CVE-2017-1000116  +6 more Upstream summary: In Mercurial before 4.1.3, "hg serve –stdio" allows remote authenticated users to launch […]

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