Package Management

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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IBM AIX 7.3 — CVE-2008-3860 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2008-3860 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 19 March 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2008-3860, IBM Support Bulletin CVE: CVE-2008-3860 NVD summary: Multiple cross-site scripting (XSS) vulnerabilities (1) in the WYSIWYG editors, (2) during local group creation, (3) during HTML redirects, (4) in the HTML import, […]

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FreeBSD 13 — cassandra — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — cassandra — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cassandra3 — multiple vulnerabilities Related CVEs: CVE-2015-0225 CVE-2015-0886 CVE-2019-2684 CVE-2020-7238 CVE-2021-44521 CVE-2022-24823 CVE-2022-25857 CVE-2022-42003  +1 more Upstream summary: Cassandra tema reports: This release contains 6 security fixes including CVE-2022-24823: When […]

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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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FreeBSD 13 — vim-gnome — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — vim-gnome — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vim — multiple vulnerabilities in the netrw module Related CVEs: CVE-2008-3076 Upstream summary: Jan Minar reports: Applying the “D'' to a file with a crafted file name, or inside a […]

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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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FreeBSD 13 — findutils — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — findutils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: findutils — GNU locate heap buffer overrun Related CVEs: CVE-2007-2452 Upstream summary: James Youngman reports: When GNU locate reads filenames from an old-format locate database, they are read into a […]

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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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