This demonstrates installing a new crontab file to schedule tasks by replacing the current user's crontab with a predefined file.

This demonstrates using uniq -c to count occurrences of unique lines in a file.

This demonstrates setting up a cron job to run a command every 15 minutes.

This demonstrates scheduling a task to run every minute using a cron job.

This demonstrates scheduling a task using cron syntax to run a command at a specific time.

This demonstrates searching for the wget package in the APT package manager.

This demonstrates scheduling a cron job to run foo at midnight on the first day of every month.

This demonstrates using curl to send an HTTP request and log detailed request/response traces with timestamps.

This demonstrates scheduling a one-time task in the future using the at command.

This demonstrates downloading a file from a URL using the wget command.

This command displays the IP addresses and network interfaces of the system, useful for network troubleshooting and configuration.

This sends 10 ICMP echo requests to example.com with a 5-second interval between each request.

This demonstrates using nmap to scan all network interfaces on the local machine.

This demonstrates terminating processes by name using the pkill command.

This demonstrates basic string substitution using sed to replace the first occurrence of a pattern in a string.

This demonstrates using the tr command to remove specific characters from a string.

This demonstrates using tput to save and restore the cursor position and clear lines for dynamic terminal output updates.

This demonstrates extracting contents from a ZIP archive using the unzip command.

Moves the file /foo.txt to /bar using rsync with compression and verbose output.

This demonstrates creating a password-protected ZIP archive using the zip command.