January 2023 - Page 68 of 72

Common Problems 115591

NFS Mount Timeout from firewalld and SELinux Restrictions

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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IBM AIX 7.3 — CVE-2021-29798 — sql injection — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-29798 — sql injection — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-29798, IBM Support Bulletin CVE: CVE-2021-29798 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.1.1.0 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which […]

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Common Problems 114892

RHEL 8 DNF Metadata Expired and Repositories Out of Sync

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 Configure PAM Authentication on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure PAM Authentication 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 pam authentication on IBM AIX 7.3 with practical […]

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Debian 11 — ax25-tools — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ax25-tools — 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-2011-2910 Upstream summary: The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call. The setuid call is responsible for dropping […]

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Common Problems 111670

Windows Server 2022 — LBFO NIC team disables after Windows Server 2022 cumulative update — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 May 2026 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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How to Configure IPFilter Rules on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure IPFilter Rules 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 configure ipfilter rules on ibm aix 7.1 on IBM […]

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Debian 11 — crossfire — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — crossfire — multiple vulnerabilities (2 CVEs) — 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-2006-1010 CVE-2006-1236 Upstream summary: Buffer overflow in socket/request.c in CrossFire before 1.9.0, when oldsocketmode is enabled, allows remote attackers to cause a denial of service (segmentation fault) and […]

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Python super() - Python 3 super() — step-by-step Python tutorial on Progressive Robot

Python super() – Python 3 super()

URL: https://www.progressiverobot.com/python-super/ Python super() function allows us to refer to the parent class explicitly. It's useful in case of inheritance where we want to call super class functions. Python super To understand about python super function, you have to know about [Python Inheritance](/community/tutorials/python-inheritance-example). In Python Inheritance, the subclasses inherit from the superclass. Python super() function […]

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Debian 11 — openafs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openafs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0391 CVE-2007-1507 CVE-2007-6599 CVE-2009-1250 CVE-2009-1251 CVE-2011-0430 CVE-2011-0431 CVE-2013-1794  +12 more Upstream summary: Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or […]

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