How to change the SSH port on VPS hosting
Unfortunately, securing your VPS against multiple attack vectors is essential. Limiting the overall attack surface and securing ports including the ssh port is just one way to achieve this. Changing the default SSH port from 22 to a different port enhances
How to switch users in Linux
When you switch users in Linux you can seamlessly transitions between accounts without logging out, this is useful for administrative tasks or when you need to access files with different owners. When switching users, always ensure the target user has the
How to use the SCP command
SCP (Secure Copy) is a Linux command that allows secure file transfers between two networked systems. It uses SSH for authentication and encryption, ensuring data is protected during transit. Compared to FTP, SCP is often more efficient for direct
How to use the cPanel transfer tool
The transfer tool enables the easy connection and transfer of accounts between two cPanel-enabled servers. It works by initiating an SSH connection between the two servers and then scanning the accounts on a server. If you want a quick technical overview, in
How to use chown in Linux
Using chown a system administrator (you) can control file and directory ownership. This is in turn sets who or what can modify those files – preventing unauthorised access whilst enabling any applications. In a Linux environment, ensuring file ownership
How to connect & manage a PostgreSQL database
The psql command-line tool allows you to interact with a PostgreSQL database from the terminal. With psql you can run queries, manage databases and automate tasks with scripts. Connect to PostgreSQL with psql Check Your Connection Once in psql, check your
How to download a file using cURL command
cURL is a powerful command-line tool used to transfer data to or from a server. It supports various protocols, including HTTP, HTTPS, FTP, and SFTP, enabling easy downloading directly from the command line. Save and Save As in cURL. 1. Start by accessing your
How to connect to MySQL with an SSH tunnel
If you need to connect to your MySQL database remotely, using an SSH tunnel is the safest and most reliable way to do it. This method encrypts your connection, keeping your data secure and avoiding compliance issues. This guide requires that you have
How to run a traceroute on Windows, macOS or Linux
A traceroute is a diagnostic tool that traces the path data takes from your computer to a destination, such as a web server, across the internet. It helps identify where delays or connectivity issues occur, which is particularly useful when
How to install Docker Compose
Docker Compose is a powerful tool for defining and running multi-container applications. Instead of running individual commands for each container, you can define the entire environment in a single docker-compose.yml file and launch the entire application