Linux

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

Oracle Linux 8 — lldpad — security and stability fixes — required update (ELSA-2019-3673)

🟢 Low   ⏱ 5–15 min  Last verified: 20 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3673 Related CVEs: CVE-2018-10932 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 — libXt — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libXt — 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-2019:3412 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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Common Problems 117479

Ubuntu 20.04 NVIDIA driver install or upgrade issues

🟡 Medium   ⏱ 5–30 min  Last verified: 20 April 2021 📖 ~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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AlmaLinux 8 — dconf — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — dconf — 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-2021:1848 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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Como configurar as chaves SSH no CentOS — step-by-step Linux tutorial on Progressive Robot

Como configurar as chaves SSH no CentOS

O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor CentOS, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…

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Gentoo Linux — dev-java/oracle-jdk-bin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/oracle-jdk-bin — multiple vulnerabilities (20 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-202209-15 Related CVEs: CVE-2020-2585 CVE-2020-2755 CVE-2020-2756 CVE-2020-2757 CVE-2020-2773 CVE-2020-2781 CVE-2020-2800 CVE-2020-2803  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Oracle's JDK and JRE software suites. Please review the CVE identifiers […]

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openSUSE Tumbleweed — polkit — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — polkit — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0190-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-4034 CVE-2021-3560 CVE-2010-0750 CVE-2011-1485 CVE-2015-3255 CVE-2015-3256 CVE-2018-19788 CVE-2019-6133  +4 more Upstream summary: A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec […]

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How To Install Web Apps Using Cloudron on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Web Apps Using Cloudron on Ubuntu 18.04

Cloudron is a platform that streamlines the installation and management of apps, like WordPress, Rocket.Chat, Nextcloud, GitLab, OpenVPN, and more, to your server. A key benefit of using Cloudron is that it performs end-to-end deployment of apps. In this tutorial, you’ll install Cloudron on your server then deploy a WordPress site, as an example, to experience how Cloudron performs complete deployment automation.

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Debian 10 — ldb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ldb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 April 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10730 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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Arch Linux — matrix-appservice-irc — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — matrix-appservice-irc — vulnerability — 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-202106-51 Related CVEs: CVE-2021-32659 Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 0.26.1-1. Fixed in: 0.27.0-1. Group: AVG-2076. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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