This code lists block devices along with their rotational status, helping to identify whether a disk is an SSD (non-rotational) or HDD (rotational).

Scan all TCP ports (1-65535) on the localhost using nmap.

This script displays the contents of the /etc/resolv.conf file, which contains DNS resolver configuration.

This script stops and removes a Docker container by name or ID provided as an argument.

This script schedules a specified script to run at a given time using the at command.

This script resolves the IP address for a given DNS name using the dig command.

This script initializes a Bash environment by sourcing the /root/.bashrc file, ensuring access to root environment variables.

This script disables lingering for a specified user, preventing their processes from running after they log out.

Replace spaces in filenames with underscores in the current directory.

This script displays disk usage in a human-readable format for all mounted filesystems.

This script displays memory usage statistics every 5 seconds using the free command, useful for real-time memory monitoring.

This script converts a file to Markdown format using pandoc and extracts media files to a specified directory.

This script generates an RSA SSH key pair.

This script connects to a remote host using SSH with password authentication and disables strict host key checking.

This script finds all .png files in the current directory and optimizes each PNG file.

This script finds all .swift files in the current directory and its subdirectories, escapes spaces in file paths, and then counts the total number of lines in all the files.

This script resolves the IP address of a specified host name and extracts the IP address.

This script shuts down the system immediately with a message.

This script copies the default local SSH key to the specified remote host using password authentication.

This script checks the connectivity to a specified host and port using nc (Netcat) and outputs the exit status of the connection attempt.