MongoDB & Kafka: Real-Time Data Streaming Tutorial
Build real-time data pipelines with MongoDB and Apache Kafka. Step-by-step setup, Java e-commerce example, and best practices for streaming and durable storage.
How to Set Up Uptime Kuma Monitoring on Debian 11
Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up uptime kuma monitoring on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully […]
IBM AIX 7.3 — CVE-1999-0014 — denial of service — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 11 May 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-1999-0014, IBM PSIRT advisory page CVE: CVE-1999-0014 NVD summary: Unauthorized privileged access or denial of service via dtappgather program in CDE. References: sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=col www1.itrc.hp.com/service/cki/docDisplay.do?docId sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=col Table of contents Symptom & […]
FreeBSD 13 — mini_httpd — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 11 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mini_httpd — disclose arbitrary files is some circumstances Related CVEs: CVE-2015-1548 Upstream summary: Jef Poskanzer reports: Prior versions allowed remote users to read arbitrary files in some circumstances. Table of […]
AlmaLinux 8 — spice-streaming-agent — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2020:1707 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 […]
FreeBSD 13 — subversion-lts — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 11 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2021-28544 CVE-2022-24070 Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that should be hidden according to configured path-based authorization […]
AlmaLinux 8 — docbook-style-xsl — 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-2021:1921 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 […]
How to Install PostgreSQL on CentOS Stream 9
Introduction This tutorial demonstrates how to Install PostgreSQL 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 AppStream […]
Debian 11 — rust-nix — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 11 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-45707 Upstream summary: An issue was discovered in the nix crate 0.16.0 and later before 0.20.2, 0.21.x before 0.21.2, and 0.22.x before 0.22.2 for Rust. unistd::getgrouplist has an […]
AlmaLinux 8 — lsscsi — 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-2021:4508 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 […]
