Linux

AlmaLinux 8 — xorg-x11-drv-qxl — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xorg-x11-drv-qxl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:1661 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4360-4 Related CVEs: CVE-2020-12762 https://launchpad.net/bugs/1878723 Upstream summary: USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides […]

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How to Use Python Virtual Environments on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Python Virtual Environments on RHEL 8

Python virtual environments solve the problem of conflicting package versions across projects by giving each application its own isolated Python installation and package tree. On RHEL 8, the venv module is included with every Python 3 installation, so no additional packages are required to get started. This tutorial covers creating and activating virtual environments, managing […]

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SLES 15 — pacemaker — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — pacemaker — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 June 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3054-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25654 CVE-2018-16877 CVE-2018-16878 CVE-2019-3885 Upstream summary: An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in […]

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openSUSE Tumbleweed — python38-httpx — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-httpx — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-41945 Upstream summary: Encode OSS httpx < 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. Table of contents […]

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Настройка код-серверной облачной IDE-платформы в Ubuntu 18.04 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Настройка код-серверной облачной IDE-платформы в Ubuntu 18.04 [Краткое руководство]

Код-серверная IDE — это код Microsoft Visual Studio Code, запущенный на удаленном сервере и доступный напрямую из браузера. Это означает, что вы можете использовать различные устройства, работающие под…

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How To Manage Packages on FreeBSD 10.1 with Pkg — step-by-step Linux tutorial on Progressive Robot

How To Manage Packages on FreeBSD 10.1 with Pkg

FreeBSD’s binary package manager, pkg, can be used to easily manage the installation of pre-compiled applications—the FreeBSD equivalent Debian and RPM packages. In this tutorial, we will show you how to manage packages on FreeBSD 10.1. This includes installing and deleting packages, among other tasks.

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

Oracle Linux 8 — libexif — vulnerability — patch and remediation guide (ELSA-2020-5393)

🟠 High   ⏱ 15–60 min  Last verified: 9 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5393 Related CVEs: CVE-2020-0452 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Cómo instalar Webmin en Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar Webmin en Ubuntu 20.04

Webmin es un panel de control web moderno que le permite administrar su servidor Linux a través de una interfaz basada en navegador. Con Webmin, puede administrar cuentas de usuario, configurar los ajustes de DNS, y cambiar la configuración para los…

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Oracle Linux 8 — bind security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4500)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4500 Related CVEs: CVE-2020-8623 CVE-2020-8622 CVE-2020-8619 CVE-2020-8624 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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