Object Rest and Spread in TypeScript
A new feature since TypeScript 2.1, object rest and spread allows you to make copies, merge and destructure objects.
How to Configure Log Rotation with logrotate on RHEL 7
How to Configure Log Rotation with logrotate on RHEL 7 Log files are essential for diagnosing system problems, tracking security events, and auditing application behavior. However, without proper management, log files grow without bound and can fill your disk, causing service outages and making historical logs difficult to navigate. logrotate is the standard log rotation […]
React Router Overview
In this brief introduction to React Router 4 you’ll see how to define basic routes as well as link to specific routes.
Ubuntu 16.04 — glances — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 8 August 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5187-1 Related CVEs: CVE-2021-23418 Upstream summary: It was discovered that Glances incorrectly parsed untrusted XML data due to usage of xmlrpclib. An attacker could possibly use this to perform an […]
How To Manage User State with React Context
Learn how to use the React Context API to manage state for users that are logged into your application.
Ionic, Capacitor and Android Studio
A quick guide to using Ionic with Capacitor in Android Studio. For this example we’ll be building a simple Ionic React app.
How to Write and Implement Agent Skills
Learn how to create and implement Agent Skills for LLMs using the SKILL.md framework. Build modular, reusable capabilities for AI agents with specialized instructions, Python scripts, and resources. Includes PDF parsing example with PyPDF2 integration.
Arch Linux — glibc — multiple vulnerabilities (9 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-201911-3 Related CVEs: CVE-2019-9169 CVE-2018-1000001 CVE-2017-15671 CVE-2017-15670 CVE-2017-1000366 CVE-2021-3326 CVE-2020-29562 CVE-2020-27618 +1 more Upstream summary: Type: information disclosure. Status: Fixed. Affected: 2.29-4. Fixed in: 2.30-1. Group: AVG-855. Table of contents […]
FreeBSD 13 — mozilla-embedded — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 8 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157 +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]
How to Install Jaeger for Distributed Tracing on RHEL 8
Jaeger is an open-source, end-to-end distributed tracing system originally developed by Uber Technologies and now a CNCF graduated project. It lets you follow a single user request as it propagates across dozens of microservices, measure the latency contribution of each span, and pinpoint the exact service or database call responsible for a slowdown. On RHEL […]
