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Fixing - The following security updates require Ubuntu Pro with esm-apps enable on Ubuntu Linux

{Updated} Are you getting the message: The following security updates require Ubuntu Pro with esm-apps enabled. Here is how to fix it to get updates on your Ubuntu Linux VM/Server or desktop.The post Fixing - The following security updates require Ubuntu Pro with esm-apps enable on Ubuntu Linux appeared first on nixCraft.

How to skip ChatGPT from WireGuard or OpenVPN on Linux

nixCraft Patreon supporters can download the PDF version here. ChatGPT (short for Chat Generative Pre-trained Transformer) is a chatbot by OpenAI. It provides answers to your queries using learning techniques based on AI/ML. Unfortunately, ChatGPT deny access when connected via VPN (Virtual Private Network) such as WireGuard or OpenVPN, and you will...

How to hide Nginx version on Linux and Unix

{Updated} This quick guide explains how to hide or remove the Nginx version on Linux or Unix server without restarting the system.The post How to hide Nginx version on Linux and Unix appeared first on nixCraft.

macOS configuring SSH Key-based Authentication

In this quick tutorial, you will configure a user to use key-based authentication for SSH under a macOS desktop. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post macOS configuring SSH Key-based Authentication appeared first on nixCraft.

How to configure automated security updates on Debian automatically

{Updated} Keeping your system up-to-date is essential from a security POV, yet many devs or sysadmins forget about it. This page explains the purpose of unattended-upgrades used on a Debian Linux 11/10 to keep the computer current with the latest security updates.The post How to configure automated security updates on Debian automatically appeared first...

How To Set Up SSH Keys With YubiKey as two-factor authentication (U2F/FIDO2)

Patreon users download the PDF version. All Linux and Unix servers are managed manually or by automation tools such as Ansible using ssh. For example, say you have a server at Linode or AWS. Then you copy your public ssh key to a remote cloud server. Once copied, you can now login to those servers without a password as long as ssh keys are matched....

How to install git command on Alpine Linux

Git is a distributed version control system. To install git, type apk add git command on Alpine Linux. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install git command on Alpine Linux appeared first on nixCraft.

How to add Mastodon verification for the Discourse forum

Here is a quick tip that explains how to add a Mastodon verification link for the Discourse forum. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to add Mastodon verification for the Discourse forum appeared first on nixCraft.

How to convert video to GIF in Linux using ffmpeg CLI

In this quick Linux tip, I will explain how to convert a VIDEO file such as .mp4 into a gif file using the ffmpeg -i input.mp4 output.gif command syntax under Linux and Unix-like operating systems such as macOS. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to convert video to GIF in Linux using ffmpeg CLI...

Find APT packages occupy the most space on Debian/Ubuntu

Are you running out of disk space on your Debian or Ubuntu Linux? Do you want to know which installed Debian or Ubuntu packages occupy the most disk space? There are many ways to find out this info. In this quick tip, you will learn about listing apt or apt-get installed packages that occupy the most space using the command-line options. Love this?...

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