Linux

AlmaLinux 8 — cloud-utils-growpart — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cloud-utils-growpart — 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-2021:4264 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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Oracle Linux 8 — aarch64 Only: Installer Displays Error: ' Failed to set new efi boot target ' on Systems With a Multipath-Enabled NVMe Controller — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — aarch64 Only: Installer Displays Error: ‘ Failed to set new efi boot target ‘ on Systems With a Multipath-Enabled NVMe Controller

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 34215333 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 […]

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openSUSE Tumbleweed — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libvirt — multiple vulnerabilities (20 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-2022:0021-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-4147 CVE-2013-4296 CVE-2017-1000256 CVE-2019-10132 CVE-2019-10161 CVE-2019-10166 CVE-2019-10167 CVE-2019-10168  +12 more Upstream summary: A flaw was found in the libvirt libxl driver. A malicious guest could […]

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How to Secure MySQL 9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install MongoDB 8 on Ubuntu 26.04

MongoDB is a leading NoSQL document database that stores data as flexible JSON-like BSON documents. MongoDB 8 introduces improved aggregation performance, enhanced time series collections, and better sharding. This guide installs MongoDB 8 Community Edition on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo […]

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How To Migrate Redis Data to a managed databases — step-by-step Linux tutorial on Progressive Robot

How To Migrate Redis Data to a managed databases

Redis provides a number of methods one can use to migrate data from one instance to another, like replication and snapshotting. However, migrations can get complicated when you’re moving data to a Redis instance managed by a cloud provider, as managed databases tend to limit how much control you have over the database’s configuration. This tutorial outlines one method you can use to migrate data to a Redis instance managed by the cloud provider using Redis’s internal MIGRATE command.

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How To Install Matrix Synapse on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Matrix Synapse on Ubuntu 16.04

Matrix is an open standard for decentralized communication. Matrix uses homeservers to store your account information and chat history. By following this guide you will install Synapse, the reference homeserver implementation of Matrix. When you’re finished, you will be able to connect to your homeserver via any Matrix client and communicate with others users across other Matrix federated homeservers.

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Oracle Linux 8 — wavpack — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — wavpack — vulnerability — patch and remediation guide (ELSA-2022-7558)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7558 Related CVEs: CVE-2021-44269 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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