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Create FTP server in Ubuntu Linux by installing and configuring vsftpd. This guide covers user setup, firewall rules, and service management for secure file sharing.

The Grep command in Linux is a powerful tool for searching specified text strings or patterns within files. It supports recursive, case-insensitive, and highlighted searches, enabling efficient text extraction in various file types.

Use Nmap Command in Linux to scan open ports and identify active services on a network. Nmap is a command-line tool used for network exploration and security auditing by sending packets to target IPs and analyzing their responses.

Connect to OpenVPN by installing the client, importing the configuration file, entering credentials, and activating the connection. This secures your internet traffic on Windows, Linux, macOS, Android, and iOS devices.

Listing Docker containers involves using commands like docker ps and docker ps -a to view running and all containers respectively, showing key details like container ID, image, and status.

The Linux source command executes commands from a specified file within the current shell, allowing immediate application of changes like environment variables or aliases. It is used to load configuration files and refresh environment settings without starting a new shell.

I suggest doctors name the century’s disease as “forgetting passwords”. By the way, changing the password is also for security reasons. Join us with this article to learn How to change the MikroTik VPS password. Since MikroTik uses the admin’s name, hackers would be able to start the brute-force password easily.

Hadoop is one of the most popular open-source frameworks for big data processing. While it’s primarily designed for Linux systems, many developers and students want to install Apache Hadoop on Windows for testing, learning, or development purposes.

The Linux cut command extracts specific sections from text files by characters, bytes, or delimiters. It enables efficient data parsing by isolating fields within formatted text, ideal for scripting and log processing.

Secure SSH Server means protecting Linux servers using SSH protocol for encrypted remote access. Key steps include changing default port, disabling root login, using key authentication, limiting login attempts, and restricting IP access for stronger security.

To create VPN server using protocols like OpenVPN or SSTP, Ubuntu 22.04 LTS and Windows 10/11 are top operating systems.

Install Directadmin on Red Hat Enterprise Linux by updating the system, disabling SELinux, setting the hostname, installing dependencies, running the setup script, and accessing the control panel on port 2222.