How To Install Apache Kafka on CentOS 7
Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and use Apache Kafka 1.1.0 on CentOS 7.
Arch Linux — nettle — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202106-28 Related CVEs: CVE-2021-3580 Upstream summary: Type: denial of service. Status: Fixed. Affected: 3.7.2-1. Fixed in: 3.7.3-1. Group: AVG-2052. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How to Set Up VictoriaMetrics on CentOS Stream 9
Introduction This tutorial demonstrates how to Set Up VictoriaMetrics on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]
AlmaLinux 8 — ibus-libpinyin — 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-2021:1790 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 […]
openSUSE Tumbleweed — python38-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-0577 CVE-2021-41125 Upstream summary: Exposure of Sensitive Information to an Unauthorized Actor in GitHub repository scrapy/scrapy prior to 2.6.1. Table of contents Symptom & Impact […]
Debian 11 — redland — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to […]
How to Install and Configure Rundeck on Debian 9
Introduction How to Install and Configure Rundeck on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]
Alpine Linux edge — fail2ban — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.11.2-r2 📖 ~4 min read • Source: Alpine secdb entry — fail2ban 0.11.2-r2 Related CVEs: CVE-2021-32749 Upstream summary: Alpine main repository for vedge ships fail2ban 0.11.2-r2 which addresses CVE-2021-32749. Table of contents Symptom & Impact Environment […]
Debian 10 — ledgersmb — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 February 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-3731 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Debian 11 — postgresql-common — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 13 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2016-1255 CVE-2017-8806 CVE-2019-3466 Upstream summary: The pg_ctlcluster script in postgresql-common package in Debian wheezy before 134wheezy5, in Debian jessie before 165+deb8u2, in Debian unstable before 178, in Ubuntu […]
