chris

How To Install and Configure GitLab on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure GitLab on Ubuntu

GitLab CE, or Community Edition, is an open source application primarily used to host Git repositories, with additional development-related features like issue tracking. In this guide, we will cover how to install and configure GitLab on an Ubuntu.

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Oracle Linux 8 — container-tools:3.0 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:3.0 — security and stability fixes — required update (ELSA-2022-1565)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1565 Related CVEs: CVE-2022-27651 CVE-2022-27649 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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AlmaLinux 8 — gnome-software — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnome-software — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4381 Related CVEs: CVE-2020-13558 CVE-2020-24870 CVE-2020-27918 CVE-2020-29623 CVE-2020-36241 CVE-2021-1765 CVE-2021-1788 CVE-2021-1789  +12 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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How to Install Jupyter Notebook on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Jupyter Notebook on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install jupyter notebook on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Common Problems 113417

Windows Server 2012 R2 — MSI install fails with error 1603 fatal error during installation — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 12 July 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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FreeBSD 13 — mod_auth_mellon — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_auth_mellon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_auth_mellon — Redirect URL validation bypass Related CVEs: CVE-2019-13038 Upstream summary: Jakub Hrozek reports: Version 0.17.0 and older of mod_auth_mellon allows the redirect URL validation to be bypassed by specifying […]

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FreeBSD 13 — rubygem-kaminari-core — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-kaminari-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kaminari — potential XSS vulnerability Related CVEs: CVE-2020-11082 Upstream summary: Kaminari Security Advisories: There was a vulnerability in versions of Kaminari that would allow an attacker to inject arbitrary code […]

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Настройка Jupyter Notebook с помощью Python 3 в Ubuntu 20.04 и подключение через туннель SSH — step-by-step Linux tutorial on Progressive Robot

Настройка Jupyter Notebook с помощью Python 3 в Ubuntu 20.04 и подключение через туннель SSH

Jupyter Notebook — веб-приложение с открытым исходным кодом, позволяющее создавать интерактивный код, визуализации и другие элементы и делиться ими. Этот инструмент можно использовать с несколькими языками программирования, включая Python, Julia, R, Haskell…

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Amazon Linux 2 — libfastjson — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libfastjson — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2079 Related CVEs: CVE-2020-12762 Upstream summary: A flaw was found in json-c. In printbuf_memappend, certain crafted values can overflow the memory allowing an attacker to write past the memory boundary. […]

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