ReactXP: Building Cross Platform Apps
Let’s have a look at ReactXP to build React apps that work on both mobile and on the web with the same codebase. We’ll build a really simple app to demonstrate.
Node FS – NodeJS Create File, Read File, Write to File
URL: https://www.progressiverobot.com/node-fs-js-create-file-read-write/ Node FS stands for NodeJS File System module. In my previous post, we have already discussed about how to import a Node JS module using require() call. Before reading this post, please go through this post "[Node JS Export and Import Modules](/community/tutorials/nodejs-export-and-import-modules)" to know require() call usage. Node FS In this post, we […]
How to Set Up SLES 12 in Oracle Cloud Infrastructure
Introduction This tutorial covers How to Set Up SLES 12 in Oracle Cloud Infrastructure on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]
Java is Pass by Value, Not Pass by Reference
URL: https://www.progressiverobot.com/java-is-pass-by-value-and-not-pass-by-reference/ Introduction Many Java programmers question whether Java is _pass by value_ or _pass by reference_. This article summarizes why Java is always pass by value. First, what does pass by value and pass by reference mean? Pass by value: The method parameter values are copied to another variable and then the copied object […]
Initial Server Setup with Debian 10
When you first create a new Debian 10 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions. In this…
FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 August 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-Flask-Cors — directory traversal vulnerability Related CVEs: CVE-2020-25032 Upstream summary: praetorian-colby-morgan reports: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal […]
Comment utiliser Cron pour automatiser les tâches sur Ubuntu 18.04
Une version précédente de ce tutoriel a été rédigée par Shaun Lewis. Cron est un démon d’ordonnancement de tâches basé sur le temps que l’on trouve dans les systèmes d’exploitation de type Unix, y compris les distributions Linux. Cron…
Como executar várias versões do PHP em um servidor usando o Apache e o PHP-FPM no Ubuntu 18.04
O autor selecionou a COVID-19 Relief Fund para receber uma doação como parte do programa Write for DOnations. O servidor Web do Apache…
How to Set Up Checkmk on SLES 15
Introduction This tutorial covers How to Set Up Checkmk on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]
How To Protect SSH With Fail2Ban on CentOS 7
While connecting to your server through SSH can be very secure, the SSH daemon itself is a service that must be exposed to the internet to function properly. This comes with some inherent risk and offers a vector of attack for would-be assailants.