How To Create a Self-Signed SSL Certificate for Nginx on Debian 10
In this guide, we will show you how to set up a self-signed SSL certificate for use with an Nginx web server on a Debian 10 server.
Ubuntu 20.04 — ant — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 26 August 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4874-1 Related CVEs: CVE-2020-1945 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into […]
Sidekiq und Redis einer Ruby-on-Rails-Anwendung hinzufügen
Bei der Entwicklung einer Ruby-on-Rails-Anwendung stellen Sie möglicherweise fest, dass Sie Anwendungsaufgaben haben, die asynchron ausgeführt werden sollten. Die Verarbeitung von Daten, das Versenden von Batch-E-Mails oder die Interaktion mit…
How To Add Animations to React Apps with React-Lottie
Lottie is a program developed by Airbnb Design that allows you to use After Effects animations in real-time in a lightweight and flexible format. Lottie takes JSON data from an After Effects extension called Bodymovin and turns it into a usable animation for the web. In this tutorial, we’ll build a React application that consists of two types of Lotties, a regular one and another with controlled animations depending on certain values in state.
Feature Detection in CSS with @supports
Detect if certain features are supported by the visitor’s browser using the new @supports rule in CSS.
CI/CD Comparison: Using Managed Providers vs Self-Hosting
Continuous integration, delivery, and deployment are a collection of practices designed to help teams produce more reliable software quickly. While CI/CD is primarily a set of principles and methods, tooling plays a major role in making the ideals of the philosophy a…
Ubuntu 14.04 LTS cron jobs not running as expected
🟡 Medium ⏱ 5–30 min Last verified: 25 August 2020 📖 ~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 14.04 LTS – cron jobs stop running unexpectedly
🟠 High ⏱ 5–30 min Last verified: 25 August 2020 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]
Ubuntu 14.04 LTS NFS mounts fail at boot with dependency timeouts
🟠 High ⏱ 5–30 min Last verified: 25 August 2020 Affected versions: 14.04 📖 ~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 […]
Ubuntu 16.04 LTS – apt lock contention from unattended-upgrades blocks installs – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 25 August 2020 Affected versions: Ubuntu 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 […]