Linux

How To Use LVM To Manage Storage Devices on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Use LVM To Manage Storage Devices on Ubuntu 18.04

LVM, or Logical Volume Management, is a storage device management technology that gives users the power to pool and abstract the physical layout of component storage devices for easier and flexible administration. In this guide, we will cover how to manage your storage devices with LVM. We will show you how to display information about volumes and potential targets, how to create and destroy volumes of various types, and how to modify existing volumes through resizing or transformation.

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Arch Linux — firejail — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — firejail — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202102-26 Related CVEs: CVE-2021-26910 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 0.9.64.2-1. Fixed in: 0.9.64.4-1. Group: AVG-1545. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Install Python 3 and pip on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Python 3 and pip on RHEL 8

Python 3 is available on RHEL 8 through the AppStream module system, which lets you install and switch between multiple Python versions without compiling from source. Unlike older RHEL releases, RHEL 8 ships with Python 3.6, 3.8, 3.9, and (via later AppStream streams) 3.11 all coexisting on the same system. This tutorial shows you how […]

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Oracle Linux 8 — tcpdump — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tcpdump — security and stability fixes — required update (ELSA-2021-4236)

🟢 Low   ⏱ 5–15 min  Last verified: 3 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4236 Related CVEs: CVE-2020-8037 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 — intel-cmt-cat — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — intel-cmt-cat — 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-2021:1696 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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AlmaLinux 8 — rasdaemon — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rasdaemon — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:1990 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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Ubuntu 18.04 — linux-azure — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-azure — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4325-1 Related CVEs: CVE-2019-19046 CVE-2020-8428 CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068  +12 more Upstream summary: It was discovered that the IPMI message handler implementation in the Linux kernel did not […]

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AlmaLinux 8 — gnome-autoar — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnome-autoar — 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-2021:4381 Related CVEs: CVE-2020-13558 CVE-2020-24870 CVE-2020-27918 CVE-2020-29623 CVE-2020-36241 CVE-2021-1765 CVE-2021-1788 CVE-2021-1789  +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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Ubuntu 20.04 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5617-1 Related CVEs: CVE-2020-0543 CVE-2020-11739 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742 CVE-2020-11743 CVE-2020-15563 CVE-2020-15564  +12 more Upstream summary: It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, […]

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