Linux

How to Encrypt Disk Partitions with LUKS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on Debian 11

Introduction How to Encrypt Disk Partitions with LUKS on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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SLES 15 — tmux — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tmux — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 March 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2024:0184-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-47016 Upstream summary: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was […]

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Debian 11 — libreoffice — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libreoffice — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2685 CVE-2011-2713 CVE-2012-1149 CVE-2012-2334 CVE-2012-2665 CVE-2012-4233 CVE-2012-5639 CVE-2013-2189  +12 more Upstream summary: Stack-based buffer overflow in the Lotus Word Pro import filter in LibreOffice before 3.3.3 allows remote […]

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How to Configure GlusterFS Distributed Storage on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure GlusterFS Distributed Storage on RHEL 8

GlusterFS is an open-source, scale-out network-attached storage filesystem that aggregates storage from multiple servers into a single, unified namespace. It supports replication, distribution, and striping, making it suitable for workloads that require high availability or large aggregate capacity without specialized hardware. On RHEL 8, GlusterFS packages are available through the CentOS Storage SIG repository, allowing […]

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Gentoo Linux — net-analyzer/net-snmp — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-analyzer/net-snmp — multiple vulnerabilities (9 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-202008-12 Related CVEs: CVE-2019-20892 CVE-2020-15861 CVE-2020-15862 CVE-2022-24805 CVE-2022-24806 CVE-2022-24807 CVE-2022-24808 CVE-2022-24809  +1 more Upstream summary: Multiple vulnerabilities have been discovered in Net-SNMP. Please review the CVE identifiers referenced below for details. Table […]

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

How to Install Elasticsearch on CentOS Stream 9

Introduction How to Install Elasticsearch 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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Debian 11 — python-django-celery-results — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-django-celery-results — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-17495 Upstream summary: django-celery-results through 1.2.1 stores task results in the database. Among the data it stores are the variables passed into the tasks. The variables may contain […]

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

AlmaLinux 8 — chkconfig — 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-2021:4496 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 — .NET 5.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 5.0 security and bugfix update (ELSA-2021-3819)

🟠 High   ⏱ 15–60 min  Last verified: 21 March 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3819 Related CVEs: CVE-2021-41355 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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