August 2022 - Page 6 of 72

Common Problems 120508

Debian 11 – unattended-upgrades lock prevents manual apt operations

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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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FreeBSD 13 — nagios — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — nagios — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nagios — denial of service vulnerability Related CVEs: CVE-2007-5803 CVE-2008-5027 CVE-2009-2288 CVE-2012-6096 CVE-2013-7108 CVE-2013-7205 Upstream summary: Eric Stanley reports: Most CGIs previously incremented the input variable counter twice when it […]

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How to Configure iSCSI Storage on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure iSCSI Storage 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 configure iscsi storage on IBM AIX 7.3 with practical […]

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Common Problems 117099

Ubuntu 22.04 LTS – apt mirror returns 404 for jammy updates

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]

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Debian 11 — maven — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — maven — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-26291 Upstream summary: Apache Maven will follow repositories that are defined in a dependency’s Project Object Model (pom) which may be surprising to some users, resulting in potential […]

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FreeBSD 13 — pligg — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pligg — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pligg CMS — XSS Vulnerability Related CVEs: CVE-2009-4786 CVE-2009-4787 CVE-2009-4788 Upstream summary: Netsparker reports: Proof of Concept URL for XSS in Pligg CMS: Page: groups.php Parameter Name: keyword Parameter Type: […]

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How to Create Custom SRC Subsystems on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Create Custom SRC Subsystems 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 create custom src subsystems on ibm aix 7.2 on […]

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Debian 11 — mod-wsgi — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mod-wsgi — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0240 CVE-2014-0242 CVE-2014-8583 CVE-2022-2255 Upstream summary: The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid when […]

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Debian 11 — lua5.2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lua5.2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5461 Upstream summary: Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) […]

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How To Use Functions in PHP — step-by-step Programming tutorial on Progressive Robot

How To Use Functions in PHP

When you find yourself copying and pasting blocks of code to reuse in different sections of your program, you’re ready to write a function. In this tutorial, you will work with all the different pieces of a function: user-defined functions, arguments, parameters, default values, and passing by reference. We’ll discuss scope, which lets you manipulate the specific section of your code that needs to change. Finally we’ll take a look at the various built-in functions provided by PHP.

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