How To Set Up Nginx Load Balancing with SSL Termination
Use SSL termination to reduce your SSL certificate and software management overhead on load-balanced servers. This tutorial uses an Nginx load-balancer and LAMP backends.
IBM AIX 7.2 — CVE-2020-4870 — denial of service — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2020-4870, IBM Support Bulletin CVE: CVE-2020-4870 NVD summary: IBM MQ 9.2 CD and LTS are vulnerable to a denial of service attack caused by an error processing connecting applications. IBM X-Force ID: […]
How To Set Up an OpenVPN Server on Ubuntu 16.04
Want to access the Internet safely and securely from your smartphone or laptop when connected to an untrusted network such as the WiFi of a hotel or coffee shop? A Virtual Private Network (VPN) allows you to traverse…
FreeBSD 12 — virtualbox-ose — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: virtualbox-ose — multiple vulnerabilities Related CVEs: CVE-2013-5892 CVE-2015-3456 CVE-2015-4813 CVE-2015-4896 CVE-2020-14628 CVE-2020-14629 CVE-2020-14646 CVE-2020-14647 +12 more Upstream summary: [email protected] reports: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization […]
Установка и настройка Ansible в Ubuntu 20.04
Системы управления конфигурацией разрабатываются для администраторов и операционных отделов с целью ускорить процедуры управления большим количеством серверов. Они позволяют автоматически контролировать много разных систем из единого центра. Хотя для систем Linux выпущено много…
Ultimate Linux Command Line Primer – Complete Beginner Guide 2025–2026
The Linux command line primer is the most valuable skill any aspiring developer, DevOps engineer, system administrator, cloud engineer, cybersecurity enthusiast, data analyst, startup founder, or IT professional can learn in 2025–2026. Whether you’re managing cloud servers (DigitalOcean Droplets, AWS EC2, Linode, Vultr, Hetzner), automating tasks, deploying web applications, working with Docker containers, scripting with Bash/Python/Node.js, using Git, configuring Nginx/Apache, or simply understanding how Linux powers the internet — the command line is your direct interface to real power.
openSUSE Tumbleweed — ant — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-36373 CVE-2021-36374 CVE-2013-1571 CVE-2018-10886 CVE-2020-11979 CVE-2020-1945 Upstream summary: When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large […]
Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2020-1372)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-1372 Related CVEs: CVE-2019-18660 CVE-2019-15030 CVE-2019-15031 CVE-2019-19527 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
Ubuntu 14.04 LTS kernel panic not syncing at startup
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 Related Errors & Cross-Refs References & Further […]
Ubuntu 16.04 LTS Interrupted Upgrade Leaves dpkg Broken
🟠 High ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: 16.04 LTS 📖 ~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 Related Errors & […]
