Showing headlines posted by linuxize

This tutorial explains how to install and configure an FTP server on Raspberry Pi that you use to share files between your devices. We’ll use vsftpd, which a stable, secure, and fast FTP server. We will also show you how to configure vsftpd to restrict users to their home directory and encrypt the entire transmission with SSL/TLS.

Odoo is a popular open-source suite of business apps that help companies to manage and run their business. It includes a wide range of applications such as CRM, e-Commerce, website builder, billing, accounting, manufacturing, warehouse, project management, inventory, and much more, all seamlessly integrated. This article explains how to install and deploy Odoo 14 inside a Python virtual environment on Ubuntu 20.04. We’ll download Odoo from the official GitHub repository and use Nginx as a reverse proxy.

wall is a command-line utility that displays a message on the terminals of all logged-in users.

This article explains how to install Slack on CentOS 8.

It’s been six years since Heartbleed was first discovered, and the OpenSSL vulnerability can still be found and exploited across the internet.

Python has a built-in function len() that returns the length of a given object. The object can be a list , tuple, string, dictionary, etc. Lists are one of the most commonly used data types in Python and are used to store collections of items of the same type. This article shows how to find the length of a list.

FFmpeg is a free and open-source collection of tools for handling multimedia files. It contains a set of shared audio and video libraries such as libavcodec, libavformat, and libavutil. With FFmpeg, you can convert between various video and audio formats, set sample rates, capture streaming audio/video, and resize videos. This article describes how to install FFmpeg on Ubuntu 20.04.

A cron job is a task that is executed at specified intervals. The tasks can be scheduled to run by a minute, hour, day of the month, month, day of the week, or any combination of these. Cron jobs are generally used to automate system maintenance or administration, such as backing up databases or data, updating the system with the latest security patches, checking the disk space usage , sending emails, and so on.

This article explains how to set up a static IP address on Ubuntu 20.04.

Java is one of the most popular programming languages in the world, used for building different types of cross-platform applications. This article explains how to check what version of Java is installed on your Linux system using the command line. This can be useful when installing applications that require a specific version of Java.

All servers that are exposed to the Internet are at risk of malware attacks. For example, if you have a software connected to a public network, attackers can use brute-force attempts to gain access to the application. Fail2ban is an open-source tool that helps protect your Linux machine from brute-force and other automated attacks by monitoring the services logs for malicious activity. It uses regular expressions to scan log files. This article explains how to install and configure Fail2ban on CentOS 8.

VLC is one of the most popular open-source multimedia players. It is cross-platform and can play virtually all multimedia files as well as DVDs, Audio CDs, and different streaming protocols. This article describes how to install VLC media player on Ubuntu 20.04. VLC can be installed as a snap package via the Snapcraft store or as a deb package through apt .

This article explains how to set up automatic rebootless kernel updates using the live patching solutions from Canonical and CloudLinux.

Chromium is a fast, stable, and secure browser built for the modern web. It is the base of many browsers, including the most popular web browser in the world Google Chrome . This article explains two ways of installing Chromium on Ubuntu 20.04. Chromium can be installed as a snap package via the Snapcraft store or as a deb package from the Google repositories.

usermod is a command-line utility that allows you to modify a user’s login information.

Atom is an open-source, cross-platform code editor developed by GitHub. It has a built-in package manager, embedded Git control, smart autocompletion, syntax highlighting, and multiple panes. This guide shows two ways of installing Atom on Ubuntu 20.04. Atom can be installed as a snap package via the Snapcraft store or as a deb package from the Atom repositories.

When working with lists in Python, you may sometimes need to reverse the elements of a list. Reversing a list means that the first element of the list becomes the last, the second become second-to-last, the last element becomes the first, and so on. To reverse a Python list in place use the reverse() method. If you only need to create a reversed iterator use the reversed() function.

This guide shows two ways of installing Slack on Ubuntu 20.04. Slack can be installed as a snap package via the Snapcraft store or as a deb package from the Slack repositories. It is not recommended to install both the Deb and Snap package on the same system.

One of the first tasks when provisioning a new Ubuntu system is adding and removing users. Each user can have different permission levels and specific settings for various command-line and GUI applications. This article explains how to add and remove user accounts on Ubuntu 18.04.

One of the most common errors that occur when browsing the web is the “500 Internal Server Error”. This message indicates that the webserver is experiencing technical problems. This article explains what a 500 error means, why you’re getting an HTTP 500 code, and how to troubleshoot these errors.