How To Set Up a Firewall with UFW on Debian 10
This tutorial will show you how to set up a firewall with UFW on Debian 10.
Ubuntu 18.04 — librabbitmq — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 April 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4214-2 Related CVEs: CVE-2019-18609 Upstream summary: USN-4214-1 fixed a vulnerability in RabbitMQ. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It […]
Ubuntu 16.04 — libssh2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 28 April 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6371-1 Related CVEs: CVE-2020-22218 CVE-2019-13115 CVE-2019-17498 CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3858 CVE-2019-3859 +4 more Upstream summary: It was discovered that libssh2 incorrectly handled memory access. An attacker could possibly use this […]
Gentoo Linux — sys-process/glances — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202402-30 Upstream summary: A vulnerability in XML parsing may lead to a variety of XML attacks. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Configure Mikrotik Cloud Host Router(CHR) as VPN / NAT Gateway on the cloud provider
Learn to set up Mikrotik Cloud Hosted Router as a NAT Gateway in the cloud provider for secure, streamlined deployments and cloud connectivity.
SLES 12 — spice-vdagent — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 28 April 2020 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2020:3268-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25653 CVE-2020-25650 CVE-2020-25651 CVE-2020-25652 CVE-2017-15108 Upstream summary: A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw […]
openSUSE Tumbleweed — rpmlint — vulnerability — 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-2019:2408-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-3689 Upstream summary: The nfs-utils package in SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15 before […]
How to Use Terraform to Provision Infrastructure on RHEL 8
With Terraform installed on RHEL 8, the next step is writing real-world HCL configurations that provision cloud infrastructure. HashiCorp Configuration Language 2 (HCL2) provides a clean, human-readable syntax for defining providers, resources, variables, and outputs that can be version-controlled alongside your application code. This tutorial walks through provisioning an AWS EC2 instance — covering input […]
Comment installer MySQL sur Ubuntu 18.04
MySQL est un système de gestion de base de données Open Source, couramment installé dans le cadre de la pile LAMP (Linux, Apache, MySQL,…
Python Module Not Found in Production Script
🟡 Medium ⏱ 5–30 min Last verified: 27 April 2020 Affected versions: Debian 10 📖 ~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 & […]