Linux

Arch Linux — jre-openjdk-headless — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jre-openjdk-headless — multiple vulnerabilities (3 CVEs) — 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-202107-66 Related CVEs: CVE-2021-2388 CVE-2021-2369 CVE-2021-2341 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 16.0.1.u9-1. Fixed in: 16.0.2.u7-1. Group: AVG-2188. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Install Java and Configure JAVA_HOME on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Java and Configure JAVA_HOME on RHEL 8

RHEL 8 ships multiple Java Development Kits through the AppStream module, allowing teams to run Java 11 and Java 17 workloads side by side on the same host without conflicts. The alternatives system acts as a switchboard, letting administrators change the active JDK globally or per user in seconds. This tutorial walks through installing Java […]

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Oracle Linux 8 — Restarting firewalld service results in SSH connection timeout — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Restarting firewalld service results in SSH connection timeout

🟠 High   ⏱ 5–30 min  Last verified: 19 March 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 29478124 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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Alpine Linux edge — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — thunderbird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 91.9.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — thunderbird 91.9.1-r0 Related CVEs: CVE-2022-1529 CVE-2022-1802 CVE-2022-1520 CVE-2022-29909 CVE-2022-29911 CVE-2022-29912 CVE-2022-29913 CVE-2022-29914  +12 more Upstream summary: Alpine community repository for vedge ships thunderbird 91.9.1-r0 which […]

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How To Install the Apache Web Server on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How To Install the Apache Web Server on Debian 11

The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software. In this guide, we’ll explain how to install an Apache web server on your Debian 11 server.

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How to Install InfluxDB on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install InfluxDB on CentOS Stream 9

Introduction How to Install InfluxDB on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Gentoo Linux — media-libs/libjpeg-turbo — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libjpeg-turbo — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-20 Related CVEs: CVE-2020-17541 CVE-2021-37956 CVE-2021-37957 CVE-2021-37958 CVE-2021-37959 CVE-2021-37960 CVE-2021-37961 CVE-2021-37962  +10 more Upstream summary: Multiple vulnerabilities have been discovered in libjpeg-turbo. Please review the CVE identifiers referenced below for details. Table […]

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Debian 11 — dhcpcd5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — dhcpcd5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-6060 CVE-2014-7912 CVE-2014-7913 CVE-2016-1503 CVE-2016-1504 CVE-2019-11577 CVE-2019-11578 CVE-2019-11579  +1 more Upstream summary: The get_option function in dhcpcd 4.0.0 through 6.x before 6.4.3 allows remote DHCP servers to cause […]

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Debian 11 — qtvirtualkeyboard-opensource-src — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — qtvirtualkeyboard-opensource-src — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-19865 Upstream summary: A keystroke logging issue was discovered in Virtual Keyboard in Qt 5.7.x, 5.8.x, 5.9.x, 5.10.x, and 5.11.x before 5.11.3. Table of contents Symptom & Impact […]

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Debian 11 — node-fetch — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-fetch — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15168 CVE-2022-0235 Upstream summary: node-fetch before versions 2.6.1 and 3.0.0-beta.9 did not honor the size option after following a redirect, which means that when a content size was […]

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