Linux

How to Configure CMake Build System on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure CMake Build System on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure cmake build system on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and […]

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Oracle Linux 8 — cri-o — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cri-o — vulnerability — patch and remediation guide (ELSA-2022-9229)

🟠 High   ⏱ 15–60 min  Last verified: 18 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9229 Related CVEs: CVE-2022-0811 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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Oracle Linux 9 — libguestfs-winsupport — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libguestfs-winsupport — vulnerability — patch and remediation guide (ELSA-2023-2179)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2179 Related CVEs: CVE-2021-46790 CVE-2022-30788 CVE-2022-30789 CVE-2022-30784 CVE-2022-30786 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Установка комплекта Linux, Apache, MariaDB, PHP (LAMP) в CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Установка комплекта Linux, Apache, MariaDB, PHP (LAMP) в CentOS 8

Комплект LAMP — это набор программного обеспечения с открытым исходным кодом, которое обычно устанавливается в комплексе для размещения на сервере динамических сайтов и веб-приложений, написанных на PHP. Этот термин представляет собой аббревиатуру. Операционная система Linux…

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How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 8

Prometheus is a popular open-source monitoring system that collects metrics by scraping HTTP endpoints called exporters. The mysqld_exporter binary exposes MySQL server metrics in Prometheus format so you can build dashboards, set alerts, and track database health over time. In this tutorial you will create a dedicated MySQL monitoring user with least-privilege grants, deploy mysqld_exporter […]

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Common Problems 120632

Debian 11 – DKMS Module Build Fails After Kernel Update – Header Alignment

🟠 High   ⏱ 5–30 min  Last verified: 17 September 2022 Affected versions: Debian 11 📖 ~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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AlmaLinux 8 — gcc-toolset-10-ltrace — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-10-ltrace — 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-2020:4777 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. This enhancement update adds the […]

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AlmaLinux 8 — libpfm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libpfm — 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-2021:4269 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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Debian 11 — xmlstarlet — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xmlstarlet — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2159 CVE-2004-2160 Upstream summary: Multiple buffer overflows in XMLStarlet Command Line XML Toolkit 0.9.3 have unknown impact and attack vectors via (1) xml_elem.c and (2) xml_select.c. Table of […]

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