Terraform’s power lies in its ability to provision real cloud infrastructure — virtual machines, networks, databases, DNS records, load balancers, and Kubernetes clusters — using declarative configuration. A Terraform configuration describes the desired end state, and Terraform calculates and executes the actions needed to reach that state. Key concepts in practice are: resources (infrastructure objects […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:4298 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 […]
JRuby is a more resource-efficient way to run a Rails Application. In this tutorial you will learn to:
🟠 High ⏱ 15–60 min Last verified: 20 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2012-4417 CVE-2012-5635 CVE-2014-3619 CVE-2017-15096 CVE-2018-10841 CVE-2018-1088 CVE-2018-10904 CVE-2018-10907 +12 more Upstream summary: GlusterFS 3.3.0, as used in Red Hat Storage server 2.0, allows local users to overwrite arbitrary […]
Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure btrfs file system on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2LIVEPATCH-2022-087 Related CVEs: CVE-2022-34918 CVE-2022-1966 CVE-2022-1786 Upstream summary: A heap buffer overflow flaw was found in the Linux kernel's Netfilter subsystem in the way a user provides incorrect input of […]
🟡 Medium ⏱ 10–30 min Last verified: 20 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-2863 Related CVEs: CVE-2022-4515 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 10–30 min Last verified: 20 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-0096 Related CVEs: CVE-2022-42011 CVE-2022-42010 CVE-2022-42012 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
Whether you’re adding more space, evaluating ways to optimize performance, or looking to take advantage of other storage features, this tutorial will guide you through relocating PostgreSQL’s data directory.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202402-12 Related CVEs: CVE-2022-48303 CVE-2021-20193 Upstream summary: A vulnerability have been discovered in GNU Tar. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & […]
