Linux

Oracle Linux 8 — squid:4 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — squid:4 — security and stability fixes — required update (ELSA-2019-3476)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3476 Related CVEs: CVE-2019-13345 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 — pygobject3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pygobject3 — 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-2020:4451 Related CVEs: CVE-2019-8625 CVE-2019-8710 CVE-2019-8720 CVE-2019-8743 CVE-2019-8764 CVE-2019-8766 CVE-2019-8769 CVE-2019-8771  +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 Graylog 1.x on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install Graylog 1.x on CentOS 7

In this tutorial, we will cover how to install Graylog v1.3.x (sometimes referred to as Graylog2) on CentOS 7, and configure it to gather the syslogs of your systems in a centralized location. Graylog is a powerful log management and analysis tool that has many use cases, from monitoring SSH logins and unusual activity to debugging applications. It is based on Elasticsearch, Java, and MongoDB.

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Como instalar e configurar o Nextcloud no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como instalar e configurar o Nextcloud no Ubuntu 20.04

Nextcloud, uma ramificação do ownCloud, é um servidor de compartilhamento de arquivos que permite que você armazene seu conteúdo pessoal, como documentos e fotos, em um local centralizado, bem parecido com o Dropbox. A diferença com o Nextcloud é que…

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AlmaLinux 8 — soundtouch — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — soundtouch — multiple vulnerabilities (12 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-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Ubuntu 18.04 — 389-ds-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — 389-ds-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5231-1 Related CVEs: CVE-2020-35518 CVE-2021-3514 Upstream summary: It was discovered that 389 Directory Server presented to users, during authentication, an error message which could be used to discover if a […]

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Oracle Linux 8 — python36:3.6 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python36:3.6 — security and stability fixes — required update (ELSA-2021-4150)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4150 Related CVEs: CVE-2021-27291 CVE-2021-20270 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 — libsigc++20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libsigc++20 — multiple vulnerabilities (12 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-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Gentoo Linux — mail-mta/opensmtpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — mail-mta/opensmtpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202105-12 Related CVEs: CVE-2020-35679 CVE-2020-35680 Upstream summary: Multiple vulnerabilities have been discovered in OpenSMTPD. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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

Cómo instalar MySQL en Ubuntu 20.04

Hazel Virdó escribió una versión anterior de este tutorial. MySQL es un sistema de administración de bases de datos de código abierto, que comúnmente se instala como parte de la popular…

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