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Common Problems 111651

Windows Server 2022 — IIS app pool identity account locked out causing 503 Service Unavailable — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 1 November 2022 Affected versions: Windows Server 2022 📖 ~2 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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Ubuntu 18.04 — node-fetch — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-fetch — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 November 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6158-1 Related CVEs: CVE-2022-0235 Upstream summary: It was discovered that Node Fetch incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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How to Configure Python via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Python via AIX Toolbox 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 python via aix toolbox on ibm aix 7.1 […]

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Ubuntu 20.04 — sosreport — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — sosreport — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 November 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5636-1 Related CVEs: CVE-2022-2806 Upstream summary: It was discovered that SoS incorrectly handled certain data. An attacker could possibly use this issue to expose sensitive information. Table of contents Symptom […]

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How to Install and Configure Samba File Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure Samba File Server on Debian 11

Introduction How to Install and Configure Samba File Server 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 […]

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Ubuntu 18.04 — xz-utils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xz-utils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 November 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5378-2 Related CVEs: CVE-2022-1271 Upstream summary: Cleemy Desu Wayo discovered that XZ Utils incorrectly handled certain filenames. If a user or automated system were tricked into performing xzgrep operations with […]

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How To Use an SQLite Database in a Flask Application — step-by-step Databases tutorial on Progressive Robot

How To Use an SQLite Database in a Flask Application

In web applications, you usually need a database, which is an organized collection of data. SQLite is a simple and fast open source SQL engine that can be used with Python to store and manipulate application data. SQLite works well with Python because the Python standard library provides the sqlite3 module, which you can use to interact with any SQLite database. In this tutorial, you’ll build a small web application that demonstrates how to use SQLite with Flask.

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SLES 12 — gdb — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gdb — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 November 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3179-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-48064 CVE-2019-1010180 CVE-2017-16829 CVE-2018-7208 Upstream summary: GNU Binutils before 2.40 was discovered to contain an excessive memory consumption vulnerability via the function bfd_dwarf2_find_nearest_line_with_alt at dwarf2.c. […]

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Oracle Linux 8 — olcne — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2022-9494)

🟠 High   ⏱ 15–60 min  Last verified: 1 November 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9494 Related CVEs: CVE-2021-3748 CVE-2022-26353 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Установка веб-сервера Apache в CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Установка веб-сервера Apache в CentOS 8

HTTP-сервер Apache — самый широко используемый веб-сервер в мире. Он имеет множество мощных функций, включая динамически загружаемые модули, надежную поддержку различных медиаформатов и интеграцию с другим популярным программным обеспечением. С…

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