January 2022 - Page 30 of 72

Configuration initiale de serveur avec Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Configuration initiale de serveur avec Ubuntu 20.04

Lorsque vous créez un nouveau serveur Ubuntu 20.04, vous devez effectuer quelques étapes de configuration importantes dans le cadre de la configuration de base. Ces étapes augmenteront la sécurité et la convivialité de votre serveur, et vous donneront une base solide pour les…

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9623)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9623 Related CVEs: CVE-2021-41864 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 Set Up Fail2ban on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Fail2ban on FreeBSD 13

Introduction How to Set Up Fail2ban on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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Oracle Linux 8 — ELSA-2022-9074-1: thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ELSA-2022-9074-1: thunderbird — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9074-1 Related CVEs: CVE-2022-46878 CVE-2022-46872 CVE-2022-46874 CVE-2022-46882 CVE-2022-46881 CVE-2022-46880 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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FreeBSD 13 — py34-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py34-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Django — password hash disclosure Related CVEs: CVE-2014-0472 CVE-2014-0473 CVE-2014-0474 CVE-2014-0480 CVE-2014-0481 CVE-2014-0482 CVE-2014-0483 CVE-2015-0219  +12 more Upstream summary: Django release notes: CVE-2018-16984: Password hash disclosure to "view only" admin […]

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How To Use the LEMP 1-Click Install on the cloud provider — step-by-step Linux tutorial on Progressive Robot

How To Use the LEMP 1-Click Install on the cloud provider

LEMP stack is a solution stack that employs a specific group of software to host web applications on a server. This term is an acronym which represents the Linux operating system with the Nginx web server. The site data is stored in a MySQL database, and dynamic content is processed by PHP. This tutorial will guide you through spinning up a cloud servers with LEMP stack pre-installed, using the the cloud provider LEMP 1-Click App.

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Debian 10 — rails — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — rails — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8162 CVE-2021-22880 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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How to Install Kubernetes with kubeadm on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on RHEL 8

Kubernetes has become the de facto standard for container orchestration, and RHEL 8 provides a stable, enterprise-grade foundation for running production Kubernetes clusters. In this tutorial you will walk through a complete kubeadm-based installation on RHEL 8, from preparing the host operating system through initialising the control-plane node and connecting worker nodes via a Flannel […]

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

AlmaLinux 8 — libcomps — 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-2022:2046 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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