How To Use Variables in Python 3
Learn how to use variables in Python 3: declaration, naming rules, data types, the type() function, scope, constants, and common mistakes.
Ubuntu 18.04 — qpdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5026-1 Related CVEs: CVE-2018-18020 CVE-2021-36978 Upstream summary: It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume […]
How To Use Tripwire to Detect Server Intrusions on an Ubuntu VPS
Although it is possible to guard your server environment against attacks, it is important to be able to detect whether an intruder does manage to compromise your security. Tripwire is a tool that can be used to detect changes in the filesystem that may indicate that an unauthorized person has entered and modified files. In this guide, we will discuss how to install and configure tripwire on an Ubuntu 12.04 VPS.
How To Set Up Flask with MongoDB and Docker
As a micro web framework built on Python, Flask provides an extensible way for developers to grow their applications through extensions that can be integrated into projects. To continue the scalability of a developer’s tech stack, MongoDB is a NoSQL database is designed to scale and work with frequent changes. Developers can use Docker to simplify the process of packaging and developing their applications.
How to Set Up Uptime Kuma on Oracle Linux 8
Introduction How to Set Up Uptime Kuma on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2022-9276)
🟠 High ⏱ 15–60 min Last verified: 23 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-9276 Related CVEs: CVE-2021-33193 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Como configurar o Django com o Postgres, Nginx e o Gunicorn no Ubuntu 20.04
O Django é um framework Web poderoso, que pode ajudar o seu aplicativo Python ou site a decolar. O Django inclui um servidor de desenvolvimento simplificado para testar seu código localmente, mas para qualquer coisa ligeiramente relacionada com produção, é necessário um servidor…
How To Create Reusable Blocks of Code with Vue Single-File Components
When creating a web application using Vue.js, it’s a best practice to construct your application in small, modular blocks of code. You can gain this modularity with Single-File Components. In this tutorial, you are going to create a SFC and use props to pass data down and slots to inject content between tags. By the end of this tutorial, you will have a general understanding of what SFCs are and how to approach code re-usability.
Debian 9 — salt — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 23 January 2021 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-17361 CVE-2020-11651 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Hadoop, Storm, Samza, Spark, and Flink: Big Data Frameworks Compared
Big data is a blanket term for the non-traditional strategies and technologies needed to gather, organize, process, and gather insights from large datasets. While the problem of working with data that exceeds the computing power or storage of a single computer is not new,…
