Operations

How to Configure PostgreSQL Remote Access on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access on Debian 11

Introduction How to Configure PostgreSQL Remote Access on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. […]

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Common Problems 111816

Windows Server 2022 – Print spooler crashes from legacy Type 3 drivers – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 October 2022 Affected versions: Windows Server 2022 📖 ~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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Common Problems 121659

Debian 9 Permissions Changed Incorrectly After Recursive chmod

🟠 High   ⏱ 5–30 min  Last verified: 29 October 2022 Affected versions: Debian 9 📖 ~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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IBM AIX 7.2 — CVE-2022-47984 — sql injection — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-47984 — sql injection — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 29 October 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-47984, IBM Support Bulletin CVE: CVE-2022-47984 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker […]

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How to Configure Network Interfaces on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Network Interfaces 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 network interfaces on IBM AIX 7.3 with practical […]

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IBM AIX 7.3 — CVE-1999-0112 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0112 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 29 October 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0112, IBM PSIRT advisory page CVE: CVE-1999-0112 NVD summary: Buffer overflow in AIX dtterm program for the CDE. References: exchange.xforce.ibmcloud.com/vulnerabilities/878   exchange.xforce.ibmcloud.com/vulnerabilities/878 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — libapache-mod-auth-radius — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libapache-mod-auth-radius — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0108 Upstream summary: Apache mod_auth_radius 1.5.4 and libpam-radius-auth allow remote malicious RADIUS servers to cause a denial of service (crash) via a RADIUS_REPLY_MESSAGE with a RADIUS attribute length […]

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Alpine Linux edge — opus — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0 📖 ~4 min read  •  Source: Alpine secdb entry — opus 0 Related CVEs: CVE-2022-25345 Upstream summary: Alpine main repository for vedge ships opus 0 which addresses CVE-2022-25345. Table of contents Symptom & Impact Environment […]

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How to Configure OpenVAS Vulnerability Scanner on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure OpenVAS Vulnerability Scanner on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure openvas vulnerability scanner on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and […]

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Debian 11 — djvulibre — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — djvulibre — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6535 CVE-2019-15142 CVE-2019-15143 CVE-2019-15144 CVE-2019-15145 CVE-2019-18804 CVE-2021-32490 CVE-2021-32491  +7 more Upstream summary: DjVuLibre before 3.5.25.3, as used in Evince, Sumatra PDF Reader, VuDroid, and other products, allows remote […]

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