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Common Problems 115533

RHEL 7 – Yum Hangs Behind Proxy with SSL Inspection

🟡 Medium   ⏱ 5–30 min  Last verified: 26 January 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 & Cross-Refs References & Further […]

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Alpine Linux edge — openrazer — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — openrazer — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.5.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openrazer 3.5.1-r0 Related CVEs: CVE-2022-23467 CVE-2022-29021 CVE-2022-29022 CVE-2022-29023 Upstream summary: Alpine community repository for vedge ships openrazer 3.5.1-r0 which addresses CVE-2022-23467. Table of contents Symptom […]

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

Debian 11 — picocom — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9059 Upstream summary: picocom before 2.0 has a command injection vulnerability in the 'send and receive file' command because the command line is executed by /bin/sh unsafely. Table […]

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Debian 11 — golang-github-emicklei-go-restful — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-emicklei-go-restful — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-1996 Upstream summary: Authorization Bypass Through User-Controlled Key in GitHub repository emicklei/go-restful prior to v3.8.0. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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SLES 12 — xscreensaver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — xscreensaver — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 January 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2641-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-34557 CVE-2015-8025 Upstream summary: XScreenSaver 5.45 can be bypassed if the machine has more than ten disconnectable video outputs. A buffer overflow in update_screen_layout() allows […]

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How to Install Jupyter Notebook on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Jupyter Notebook on RHEL 8

Jupyter Notebook is an interactive computing environment that lets you combine live code, equations, visualizations, and narrative text in a single document. On RHEL 8, the recommended approach is to install Jupyter inside a Python virtual environment to keep the system Python clean. This tutorial covers installation, password protection, systemd service setup, and configuring Nginx […]

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SLES 15 — rust1.65 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — rust1.65 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 January 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:205-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-46176 Upstream summary: Cargo is a Rust package manager. The Rust Security Response WG was notified that Cargo did not perform SSH host key verification […]

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Arch Linux — djvulibre — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — djvulibre — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202105-18 Related CVEs: CVE-2021-3500 CVE-2021-32493 CVE-2021-32492 CVE-2021-32491 CVE-2021-32490 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.5.28-2. Fixed in: 3.5.28-3. Group: AVG-1899. Table of contents Symptom & Impact Environment […]

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How To Use Namespaces in TypeScript — step-by-step Javascript tutorial on Progressive Robot

How To Use Namespaces in TypeScript

In TypeScript, you can use namespaces to organize your code. Previously known as internal modules, namespaces in TypeScript are based on an early draft of ECMAScript modules. In this tutorial, you will create and use namespaces to illustrate the syntax and what they can be used for. It will lead you through code samples of declaring and merging namespaces, how namespaces work as JavaScript code under the hood, and how they can be used to declare types for external libraries without typing.

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FreeBSD 12 — mariadb104-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mariadb104-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 January 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Multiple vulnerabilities Related CVEs: CVE-2020-15180 CVE-2020-2574 CVE-2021-46659 CVE-2021-46661 CVE-2021-46663 CVE-2021-46664 CVE-2021-46665 CVE-2021-46668  +12 more Upstream summary: The MariaDB project reports: MariaDB fixed 23 vulnerabilities across all supported versions […]

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