SSH is an essential tool for login into the FreeBSD Unix box. Without SSH, you cannot manage a remote server easily. Furthermore, SSH means secure shell, and it is a replacement for insecure protocols such as telnet. This page explains how to configure and set up ssh key-based password-less authentication on a FreeBSD server or workstation. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to set up ssh public key password-less on FreeBSD appeared first on nixCraft. 2022-01-21T11:03:54Z 2022-01-21T11:03:54Z Vivek Gite

{nixCraft Patreon supporters content}You deployed a perfect firewall and other network security policies preventing unauthorized access to the user's desktop computer over a network. However, you still need to block USB device access. We can configure a Linux desktop security policy to protect your computer against rogue USB devices (a.k.a. BadUSB) by implementing essential allow and blocklisting capabilities based on device attributes. For instance, I can define what kind of USB devices are authorized and how a USB device interacts with the Linux system. For example, I can define policy allowing Yubikey with serial number "XYZ" and USB LTE modem with serial # "ABC." Every other USB device access is denied by default. This guide will cover the following topics: The post How to protect Linux against rogue USB devices using USBGuard appeared first on Opensource Flare✨. 2021-09-29T21:43:46Z 2021-09-29T21:43:46Z Vivek Gite

{Updated} I am a new FreeBSD developer and user. I have root access to my VM running in AWS cloud. How do I update packages and apply security upgrades on FreeBSD? What is the procedure for applying security updates on FreeBSD?The post FreeBSD Applying Security Updates Using pkg/freebsd-update appeared first on nixCraft. 2022-01-20T05:41:00Z 2022-01-20T05:41:00Z Vivek Gite

The ffmpeg is free and open-source video converter software for Linux and Unix-like systems. However, on Ubuntu/Debian Linux and other distros, NVIDIA hardware-based encoding is disabled at compile time. So, naturally, you need supporting NVIDIA GPU. Apart from that, it would be best if you had CUDA support installed with GNU compilers. Let us see how to install everything one by one on a server or desktop powered by Ubuntu or Debian Linux. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install FFmpeg with NVIDIA GPU acceleration on Linux appeared first on nixCraft. 2021-09-27T10:11:45Z 2021-09-27T10:11:45Z Vivek Gite

I have written about setting up the WireGuard server on Linux. I have written about setting up the WireGuard server on Linux. Today, I will share a tip that allows creating QR codes for WireGuard VPN mobile clients running on Apple iOS or Android phones using Linux command-line options. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to generate WireGuard QR code on Linux for mobile appeared first on nixCraft. 2021-09-27T07:23:40Z 2021-09-27T07:23:40Z Vivek Gite

I explained a long time ago how to take LXD instance snapshots using the lxc command. Today I will talk about how to list lxc snapshots and automatically purge those snapshots from LXD to free up disk space on Linux operating systems. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How do I list lxc snapshots for LXD on Linux? appeared first on nixCraft. 2021-09-14T09:43:06Z 2021-09-14T09:43:06Z Vivek Gite

{nixCraft Patreon supporters content}This guide explains how to build and deploy applications quickly with Podman to the cloud server of your choice. All examples in this tutorial are tested on Fedora Linux 34, but they should work on any Linux distros as long as you install the correct packages. I prefer to use Fedora when my clients use RHEL 7/8. Experimental podman packages are also available for Windows and macOS, but I have not tested those. Running containers without Docker is possible with Podman. This page is the first part of building containers with Podman, which explains installing Podman and working with images, including basic concepts of containers. This guide will cover the following topics: The post A podman tutorial for beginners – part I appeared first on Opensource Flare✨. 2021-09-13T15:27:02Z 2021-09-13T15:27:02Z Vivek Gite

I already wrote about migrating from CentOS 8 to CentOS Stream. I also have a guide about migrating from CentOS 8 to Rocky Linux. Today, I am working on another side project with my partner, and I wanted to try out AlmaLinux. Hence, this quick post will list steps to convert existing VM or bare metal server from CentOS 8 to AlmaLinux 8. The server currently acts as API for mobile apps, including PostgreSQL, Redis, Python+Django, Apache web server, and SELinux and firewalld. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to migrate from CentOS 8 to AlmaLinux (conversion) appeared first on nixCraft. 2022-01-03T20:45:57Z 2022-01-03T20:45:57Z Vivek Gite

The most advanced OpenSUSE version is 15.3 and is an opportunity for both desktop and server users on the previous 15.2 release to update OpenSUSE Linux to get the newest software stack. It is easy to follow the procedure to upgrade OpenSUSE 15.2 to 15.3. In this tutorial, we will explain how to upgrade OpenSUSE 15.2 to 15.3. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to upgrade OpenSUSE 15.2 to 15.3 using the CLI appeared first on nixCraft. 2021-09-09T09:19:43Z 2021-09-09T09:19:43Z Vivek Gite

So you want to see a list of all packages installed on your SUSE Linux or OpenSUSE Linux system? Try these simple tips for listing all packages. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to list all installed packages on OpenSUSE/SUSE Linux appeared first on nixCraft. 2021-09-08T21:38:00Z 2021-09-08T21:38:00Z Vivek Gite

{Updated} How do I find out my Suse Linux / OpenSuse Linux / Suse Enterprise Linux server/desktop version using the command line options? What is the command to find out OpenSUSE Linux version?The post How To Find OpenSuse / SUSE Linux Version Using CLI appeared first on nixCraft. 2021-09-08T21:14:00Z 2021-09-08T21:14:00Z Vivek Gite

Most of us use love and use the jq command. It works on Linux or Unix-like systems to extract data from JSON documents. Recently I found htmlq, which is like jq and written in Rust lang. Imagine being able to sed or grep for HTML data. We can search, slice, and filter HTML data with htmlq. Let us see how to install and use this handy tool on Linux or Unix and play with HTML data. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to use htmlq to extract content from HTML files on Linux, macOS or FreeBSD appeared first on nixCraft. 2021-09-08T10:52:19Z 2021-09-08T10:52:19Z Vivek Gite

How do I install docker and docker-compose using the yum command on Amazon Linux 2 running on the EC2 or Lightsail cloud instance? Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install Docker on Amazon Linux 2 appeared first on nixCraft. 2021-09-08T09:41:53Z 2021-09-08T09:41:53Z Vivek Gite

{Updated} crontab is the program used to install, deinstall, or list the tables used to drive the cron daemon in Vixie Cron. You can run a cron job after Linux or Unix system rebooted. Handy for tasks that needs to be executed when your server comes online after kernel update and so on.The post Linux Execute Cron Job After System Reboot appeared first on nixCraft. 2021-09-08T05:22:00Z 2021-09-08T05:22:00Z Vivek Gite

While working with the client's system, I noticed that the database would come under load due to increased demand. After reviewing the code, the developer and I conclude that something like memcached will improve performance by caching queries. This page explains how to install a memcached server on OpenSUSE or SUSE enterprise Linux server using the ssh command. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install memcached on OpenSUSE / SUSE Linux appeared first on nixCraft. 2021-12-29T19:16:20Z 2021-12-29T19:16:20Z Vivek Gite

После более чем полутора лет с двумя перерывами по полгода, я таки домучал перевод LibreOffice Calc Guide на русский язык. В процессе работы пришлось по ходу дела и обновлять гайд с версии 6.2 на 7.1, поскольку команда документации LibreOffice не дремала, а штамповала обновления гайдов =)

Скачать гайд пока можно отсюда. Попозже я закину гайд на официальную вики страничку LibreOffice с документацией на русском языке.

{Updated} How do I reverse lines of a file or files under Linux or Unix like operating systems?The post How To Reverse a String In Unix / Linux Shell? appeared first on nixCraft. 2021-12-24T20:03:00Z 2021-12-24T20:03:00Z Vivek Gite

This page explains setting up a static IP address on the FreeBSD Unix system using the command-line options. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to configure static IP Address on FreeBSD appeared first on nixCraft. 2021-12-24T19:52:53Z 2021-12-24T19:52:53Z Vivek Gite

{Updated} The grep command is the de facto tool for searching text files. However, finding the requested text in the search results can be difficult when there are too many matches. So how do you grep in color for ease of reading on screen when using Linux or Unix terminal?The post How to see grep output in color with highlighting feature appeared first on nixCraft. 2021-08-31T19:41:00Z 2021-08-31T19:41:00Z Vivek Gite

I am a new Amazon Linux 2 EC2 instance user. My EC2 name was set to 'ip-172-26-7-134' during instance creation. But now, I would like to change the EC2 hostname to 'stats1'. Can you tell me how do I remove ip-172-26-7-134 and set it to stats1 on Amazon Linux 2? How do I change the Amazon Linux Lightsail or EC2 cloud server instance? Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to Set or Change Hostname in Amazon Linux EC2 Instance appeared first on nixCraft. 2021-08-31T14:56:39Z 2021-08-31T14:56:39Z Vivek Gite