How To Install Java with Apt on Debian 9
Java and the JVM (Java’s virtual machine) are required for many kinds of software, including Tomcat, Jetty, Glassfish, Cassandra and…
SLES 12 — gssproxy — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:1029-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12658 Upstream summary: gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states "We […]
How To Create a Minecraft Server on Ubuntu 18.04
Minecraft is a popular sandbox video game. As of late 2019, it was the second best-selling video game of all time. In this tutorial, you will create your own Minecraft server so that you and your friends can play together. Specifically, you will install the necessary software packages to run Minecraft, configure the server to run, and then deploy the game.
How to Create a Blog with Hexo On Ubuntu 14.04
Hexo is a static blogging framework built on Node.js which allows you to publish Markdown documents in the form of blog posts. All of the software in Hexo is modular, so you can install and set up exactly what you need. This tutorial will set up Hexo with deployment supported by GitHub and Nginx.
How to Configure Networking with /etc/network/interfaces on Debian 9
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure networking with /etc/network/interfaces on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]
Drop Caps in CSS Using first-letter & initial-letter
Learn how to style the first letter of a paragraph in CSS using the ::first-letter pseudo element selector and the initial-letter property.
Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2020-3218)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-3218 Related CVEs: CVE-2019-20908 CVE-2020-15780 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
openSUSE Tumbleweed — kubernetes1.23-proxy — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2023:2292-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25749 Upstream summary: Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true. Table of contents Symptom & Impact […]
Debian 9 Kernel Upgrade Leaves Old Kernels Unmanaged
🟢 Low ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Debian 9 📖 ~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 & […]
Ubuntu 18.04 LTS – snap refresh hangs and blocks package operations – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Ubuntu 18.04 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 […]
