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Firewalld is front-end controller for iptables and nftables used to implement persistent network traffic rules. Ten years after its first release, Firewalld reached version 1.0. The biggest change is removing Python 2 support.

This post is an immediate followup for the most recent post at Lxer.com regarding return of one string. Consider the task already been treated with 2D vector and dumping the content of vector to disk file. This approach would allow us to solve the same task via to straight forward returning vector of strings from C++ procedure to Python module.

Linux Malware Detect (LMD), also known as Maldet, is a malware scanner for Linux released under the GNU GPLv2 license. In the following tutorial, you will learn how to configure Maldet on Ubuntu 20.04 LTS. The same principle will work for the newer version Ubuntu 21.04 (Hirsute Hippo).

Rsnapshot is a filesystem snapshot utility based on rsync for Linux and Unix-like operating systems. It allows you to easily create periodic snapshots of local machines, and remote machines over ssh. This guide explains what is Rsnapshot, how to install Rsnapshot in Linux , and how to setup backup server using Rsnapshot in Linux.

Kubernetes is software to help you run lots of containers in an organized way. Aside from providing tools to manage (or orchestrate) the containers you run, Kubernetes also helps those containers scale out as needed. With Kubernetes as your central control panel (or control plane), you need a way to manage Kubernetes, and the tool for that job is kubectl. The kubectl command lets you control, maintain, analyze, and troubleshoot Kubernetes clusters. read more

Premier open source event covering the most critical and innovative open source topics gathers developers and technologists both in-person and virtually this September...

InspIRCd is a robust IRC server that runs in UNIX-like environments that comes with its own scripting language called AngelScript. This tutorial shows you how to install and configure InspIRCd on Debian 10.

Writing C++ procedure below we get a final answer as C++ string , then via sequence of operations which convert string to the pointer (say c) to "const char" and finally return required value via pointer to PyObject provided by PyUnicode_FromString(c) to Python Runtime module.

In the following tutorial, you will learn how to install the latest stable release of MariaDB 10.5 on Ubuntu 20.04. You can also use the same guide to upgrade to the newer 10.6 if you prefer however for stability we recommend staying on 10.5 until the newer version matures a bit more.

MariaDB is one of the most popular open-source databases next to its originator MySQL. The original creators of MySQL developed MariaDB in response to fears that MySQL will suddenly become a paid service due to Oracle acquiring it in 2010. With its history of doing similar tactics, the developers behind MariaDB have promised to keep it open source and free from such fears as what has happened to MySQL.

Upgrade PHP version to PHP 8.0 on Ubuntu. You can upgrade your current PHP version to the latest release PHP 8.0 on your Ubuntu.

Sometimes you can’t edit files because of the “Permission denied” error. Learn how to recursively change file permissions in Linux.

The C64 is notable for being one of the first widespread home computers, helping it to expand its collection of games as a result. We recommend the best free and open source emulators.

Gitea is an open-source code-hosting solution based on the Git platform. This article will cover how to install and configure Gitea on Fedora 34 and how to set up your first Git repository.

In the following tutorial you will learn how to install fail2ban on Ubuntu 20.04 with example configurations to learn how to deploy as an effective means of protection for your website and servers.

Rclone, a free and open source command line cloud storage sync tool, was updated to version 1.56.0, which includes some important new features. There's a new backend, new commands including Docker serve, a reworked configuration system, and there's also a new librclone C library.

By default, the login page of phpmyadmin is located at http:// <ip address>/phpmyadmin. The first thing that you will want to do is changing that URL. This will not necessarily stop attackers from targeting your server, but will lower the risks of a successful break-in.

JavaScript is a programming language full of pleasant surprises. Many people first encounter JavaScript as a language for the web. There's a JavaScript engine in all the major browsers, there are popular frameworks such as JQuery, Cash, and Bootstrap to help make web design easier, and there are even programming environments written in JavaScript.

NGINX is the fastest and most prominent platform for powering web servers. In the following tutorial, you will learn how to install Nginx mainline by compiling from source and optional using PPAs with complete steps.

In this article, we’ll see how to save the output of a command to a file in different ways.

Web components are a collection of open source technologies such as JavaScript and HTML that allow you to create custom elements that you can use and reuse in web apps. The components you create are independent of the rest of your code, so they're easy to reuse across many projects. Best of all, it's a platform standard supported by all major modern browsers. read more