Linux

Configuración Inicial del Servidor en Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

Configuración Inicial del Servidor en Ubuntu 16.04

Cuando se crea un nuevo servidor de Ubuntu 16.04, hay algunos pasos de configuración que se deben tener desde el principio como parte de la configuración básica. Esto aumentará la seguridad y la usabilidad de su servidor y le dará una base sólida para las acciones…

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Oracle Linux 8 — libqb — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libqb — security and stability fixes — required update (ELSA-2019-3610)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3610 Related CVEs: CVE-2019-12779 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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AlmaLinux 8 — libnotify — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libnotify — 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-2022:1818 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 — rust-bumpalo — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-bumpalo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35861 Upstream summary: An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read […]

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Debian 11 — apt-listchanges — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt-listchanges — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-0302 Upstream summary: Untrusted search path vulnerability in apt-listchanges.py in apt-listchanges before 2.82 allows local users to execute arbitrary code via a malicious apt-listchanges program in the current […]

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Debian 10 — nextcloud-desktop — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — nextcloud-desktop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-22895 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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How to Install Lua on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Lua on Debian 9

Introduction How to Install Lua on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 Debian 9. This tutorial […]

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

AlmaLinux 8 — wayland — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2786 Related CVEs: CVE-2021-3782 Upstream summary: Wayland is a protocol for a compositor to talk to its clients, as well as a C library implementation of that protocol. The compositor can be […]

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Gentoo Linux — dev-ruby/bundler — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-ruby/bundler — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-22 Related CVEs: CVE-2019-3881 CVE-2020-36327 CVE-2021-43809 Upstream summary: Multiple vulnerabilities have been discovered in Bundler. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Debian 11 — rust-lock-api-0.1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-lock-api-0.1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35910 CVE-2020-35911 CVE-2020-35912 CVE-2020-35913 CVE-2020-35914 Upstream summary: An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedMutexGuard unsoundness. […]

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