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 appeared first on nixCraft. 2022-12-05T20:18:47Z 2022-12-05T20:18:47Z Vivek Gite

MySQL version 8.0 is a free and open-source database system used by most web applications and sites on the Internet. Typically MySQL is part of the LAMP (Linux, Apache, MySQL, Perl/Python/PHP) stack. MySQL heavily uses popular open-source software such as WordPress, MediaWiki, and others as a database storage engine. Let us see how to install MySQL server version 8.x on Ubuntu 22.04 LTS Linux server, including settings up a new database, users and fine tuning server config. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install MySQL server on Ubuntu 22.04 LTS Linux appeared first on nixCraft. 2022-08-11T00:11:02Z 2022-08-11T00:11:02Z Vivek Gite

The iptables and ip6tables commands are used to set up a Linux firewall. However, many new Linux sysadmins and users find it challenging to use iptables. Hence, the ufw program is for managing a Linux firewall and aims to provide an easy-to-use interface for the user. This page explains how to add a comment to your ufw firewall rules. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How do you add comments on UFW firewall rule? appeared first on nixCraft. 2022-08-03T10:28:38Z 2022-08-03T10:28:38Z Vivek Gite

As you may know, email spoofing allows attackers to pose as someone else to gain illegal profit. For example, I only use webmaster@cyberciti.biz for communication, but someone might create a spoofed-up email, say info@opensourceflare.com, to trick someone. This is called email spoofing with fake headers as follow: Date: Thu, 24 Oct 2021 12:46:10 From: nixCraft Reply-To: info@opensourceflare-email.com To: Correct headers are often not checked by receiving email servers, and my@personal_gmail_com may think the email is from me. Here is the thing I don't use opensourceflare.com for email communication at all. So how do I prevent illegitimate email traffic on my domain? In this tutorial, I will explain how to configure DNS settings that tell receiving email servers this domain is not configured for emailing purposes and the attacker maliciously sending email on my behalf. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post DNS settings to avoid email spoofing and phishing for unused domain appeared first on nixCraft. 2022-08-01T17:13:21Z 2022-08-01T17:13:21Z Vivek Gite

While looking into the nginx PHP error log file fixing unrelated issues, I noticed I was spammed with the following message: [28-Jul-2022 10:27:13 UTC] PHP Warning: Constant ABSPATH already defined in /home/lighttpd/cyberciti.biz/http/faq/wp-config.php on line 73 [29-Jul-2022 10:29:13 UTC] PHP Warning: Constant ABSPATH already defined in /home/lighttpd/cyberciti.biz/http/faq/wp-config.php on line 73 31-Jul-2022 10:31:13 UTC] PHP Warning: Constant ABSPATH already defined in /home/lighttpd/cyberciti.biz/http/faq/wp-config.php on line 73 [-Jul-2022 10:32:38 UTC] PHP Warning: Constant ABSPATH already defined in /home/lighttpd/cyberciti.biz/http/faq/wp-config.php on line 73 [31-Jul-2022 10:33:13 UTC] PHP Warning: Constant ABSPATH already defined in /home/lighttpd/cyberciti.biz/http/faq/wp-config.php on line 73 I was surprised by this as it was filling up disk space for no good reasons. So I decided to look into it. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post PHP Warning: Constant ABSPATH already defined in wp-config.php appeared first on nixCraft. 2022-08-01T06:16:53Z 2022-08-01T06:16:53Z Vivek Gite

{Updated} Go is a compiled, statically typed programming language developed by Google. Here is how to install Go lang on Ubuntu Linux server or workstation and write your first 'Hello world' app in it.The post How to install Go [golang] on Ubuntu Linux appeared first on nixCraft. 2022-04-17T21:04:00Z 2022-04-17T21:04:00Z Vivek Gite

{Updated} Many folks still have older DVDs and trouble playing them on Debian/Ubuntu Linux, and it is still tricky in the age of streaming due to DRM. So I revised the older page from 2007 that explains how to install libdvdcss in Linux to play encrypted DVDs in 2022.The post How to install libdvdcss (libdvd-pkg) in Ubuntu / Debian Linux to play encrypted DVDs appeared first on nixCraft. 2022-04-17T20:17:00Z 2022-04-17T20:17:00Z Vivek Gite

Click to enlarge Ubuntu 22.04 LTS ("Jammy Jellyfish") is released now. This tutorial explains how to safely upgrade from Ubuntu 20.04 LTS (Focal Fossa) to Ubuntu 22.04 LTS using the command-line and GUI options. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to upgrade from Ubuntu 20.04 LTS to 22.04 LTS appeared first on nixCraft. 2022-04-17T20:12:56Z 2022-04-17T20:12:56Z Vivek Gite

This quick tutorial explains how to download and install the latest GIMP application on Ubuntu or Debian Linux and friend using the CLI. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install GIMP 2.10 on Ubuntu or Debian Linux appeared first on nixCraft. 2022-04-09T08:35:51Z 2022-04-09T08:35:51Z Vivek Gite

{Updated} How do I find out what filesystems my Linux kernel supports using the command line option?The post How to find out what filesystems Linux kernel supports appeared first on nixCraft. 2022-04-08T18:16:00Z 2022-04-08T18:16:00Z Vivek Gite

So while working on some custom code for this website, I noticed broken functionality. Initially, I thought Cloudflare blocked the origin server IP address. So I looked into the Cloudflare log and found nothing. So, upon close inspection of a php error log, I found this: Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post file_get_contents(): https:// wrapper is disabled in the server configuration appeared first on nixCraft. 2022-04-08T09:45:13Z 2022-04-08T09:45:13Z Vivek Gite

Linux comes with three commands for developers, sysadmins and users to set up a hierarchy of applications, typically displayed as a menu. In other words, these commands allow third-party software to add menu items that work for all desktops. In addition, it allows Linux system administrators to edit menus in a way that affects all desktops using the following commands to install and edit desktop files on Linux to make Desktop entries: desktop-file-edit command is a tool for editing desktop files. Use the desktop-file-install command to install .desktop files. Update database of desktop entries cache using the update-desktop-database command. Validate desktop entry files using desktop-file-validate command. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install and edit desktop files on Linux (Desktop entries) appeared first on nixCraft. 2022-04-08T09:44:04Z 2022-04-08T09:44:04Z Vivek Gite

I am a new Debian Linux 11 server user. How do I set up an OpenVPN Server on Debian Linux version 11 server to shield my browsing activity from bad guys on public Wi-Fi, and more? Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post Debian 11 Set Up OpenVPN Server In 5 Minutes appeared first on nixCraft. 2022-04-04T13:56:50Z 2022-04-04T13:56:50Z Vivek Gite

{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

{Updated} How do I find out the maximum length of arguments for a new process under Linux or Unix like operating systems?The post Unix / Linux: Maximum Character Length of Arguments In a Shell Command appeared first on nixCraft. 2021-12-16T11:45:00Z 2021-12-16T11:45:00Z Vivek Gite

{Updated} How do I show an error when a shell variable such as $1 is not set and exit with an error?The post Bash Shell: Find Out If a Variable Is Set or Not appeared first on nixCraft. 2021-12-14T18:26:00Z 2021-12-14T18:26:00Z Vivek Gite

I already wrote about migrating from CentOS 8 to CentOS Stream. Now, I am migrating Linode VM from CentOS 8 to Rocky Linux 8. The server runs a very simple workload that includes PHP 8.1, MariaDB server and Nginx, and SELinux and firewalld. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to migrate from CentOS 8 to Rocky Linux (conversion) appeared first on nixCraft. 2021-12-10T18:08:31Z 2021-12-10T18:08:31Z Vivek Gite

{Updated} How do I use bash for loop to iterate thought array values under UNIX / Linux operating systems? How can I loop through an array of strings in Bash?The post Bash For Loop Array: Iterate Through Array Values appeared first on nixCraft. 2021-12-09T20:48:00Z 2021-12-09T20:48:00Z Vivek Gite

Let us say you want to support Linux and buy an actual Linux desktop OS like you buy Windows desktop operating system from the market. How much would it cost price-wise, and what would you get in return when you buy a yearly subscription? Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How much does a Linux desktop OS cost? appeared first on nixCraft. 2021-12-09T20:34:18Z 2021-12-09T20:34:18Z Vivek Gite

Все маководы должны быть счастливы теперь. Caolán McNamara добавил поддержку темной темы в LibreOffice 7.5. Выглядит это как-то вот так с темой значков Sifr Dark: