June 2022 - Page 26 of 70

Navigator's Guide: Initial Environment Setup — step-by-step DevOps tutorial on Progressive Robot

Navigator’s Guide: Initial Environment Setup

This is the first hands-on portion of the book. First, we’ll go over the tools we’ll be using, how they fit together, and how they can be beneficial to you as you begin to create and manage your infrastructure on the cloud provider. Then, we’ll set up a single Droplet which we’ll use as as a controller to run and use the rest of our tool belt.

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

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9220)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9220 Related CVEs: CVE-2021-28038 CVE-2021-28688 CVE-2021-28964 CVE-2021-3411 CVE-2021-29266 CVE-2021-28950 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 — ja-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ja-netscape — 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: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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How to Use Nginx's map Module on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Nginx’s map Module on Ubuntu 16.04

When configuring a server for a website, there are some common conditional actions you may need to implement. For example, maybe some files should be cached by the user’s browser for longer than others, or some parts of the website should only be allowed via a secure…

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Ultimate SSH Essentials – Servers, Clients, Keys & Secure Access 2025–2026

Ultimate SSH Essentials – Servers, Clients, Keys & Secure Access 2025–2026

Mastering SSH essentials is the single most critical skill for every developer, DevOps engineer, system administrator, cloud architect, security professional, startup founder, or anyone managing servers, cloud VMs, containers, Kubernetes clusters, or remote infrastructure in 2025–2026. SSH (Secure Shell) is the universal, encrypted protocol for safely connecting to Linux servers, running commands, transferring files (scp/sftp), tunneling traffic, forwarding ports, and managing remote systems securely over untrusted networks.

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

AlmaLinux 8 — popt — 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-2021:1709 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 — parted — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — parted — 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-2021:4477 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 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7928 Related CVEs: CVE-2022-3787 CVE-2022-41974 CVE-2022-41973 Upstream summary: The device-mapper-multipath packages provide tools that use the device-mapper multipath kernel module to manage multipath devices. Security Fix(es): * device-mapper-multipath: Regression of CVE-2022-41974 fix […]

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Gentoo Linux — dev-lang/nasm — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-lang/nasm — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202312-09 Related CVEs: CVE-2019-8343 CVE-2020-21528 CVE-2022-44370 Upstream summary: Multiple vulnerabilities have been discovered in NASM. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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