Linux

How to Install Elasticsearch on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Elasticsearch on RHEL 8

Elasticsearch is a distributed, RESTful search and analytics engine capable of handling large volumes of structured and unstructured data in near real time. It is the core component of the Elastic Stack, widely used for log aggregation, full-text search, and observability pipelines. On RHEL 8, installing Elasticsearch requires adding the official Elastic repository and configuring […]

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Common Problems 114972

RHEL 8 LVM Thin Pool Reaches 100 Percent and Stops Writes

🔴 Critical   ⏱ 5–30 min  Last verified: 23 May 2020 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~1 min read 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 Prevention & Hardening […]

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openSUSE Tumbleweed — kdirstat — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kdirstat — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0930-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-2528 Upstream summary: kcleanup.cpp in KDirStat 2.7.3 does not properly quote strings when deleting a directory, which allows remote attackers to execute arbitrary commands via […]

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How to Install Snipe-IT on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Snipe-IT on Ubuntu 16.04

In this tutorial, you will download, install, and configure Snipe-IT, a free and open-source application designed specifically for IT asset management. Then you will create an admin user account to log into Snipe-IT for the first time.

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How to Set Up Consul Service Mesh on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Consul Service Mesh on Debian 10

Introduction How to Set Up Consul Service Mesh on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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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Arch Linux — audiofile — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — audiofile — multiple vulnerabilities (13 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-201708-9 Related CVEs: CVE-2017-6839 CVE-2017-6838 CVE-2017-6837 CVE-2017-6836 CVE-2017-6835 CVE-2017-6834 CVE-2017-6833 CVE-2017-6832  +5 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 0.3.6-3. Fixed in: 0.3.6-4. Group: AVG-205. Table of contents […]

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SLES 15 — libqb0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libqb0 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 May 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1791-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12779 Upstream summary: libqb before 1.0.5 allows local users to overwrite arbitrary files via a symlink attack, because it uses predictable filenames (under /dev/shm and […]

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How to Install Grafana on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Grafana on Debian 10

Introduction This guide explains how to Install Grafana on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the standard repositories […]

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openSUSE Tumbleweed — cpp5 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cpp5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-5276 Upstream summary: The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking […]

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