Welcome to bashoneliners.com, a curated collection of practical and well-explained Bash one-liners, snippets, tips and tricks. We aim to make each published one-liner to be of high quality: useful, easy to read, follows best practices, with clear, detailed, accurate explanation. These one-liners should help you automate tasks, troubleshoot problems, whether it be in system administration, file management, networking or programming.
sudo /usr/sbin/tcpdump -i any -s 0 -n -Z someuser -C 500 -W 100 -w /home/someuser/$(hostname).pcap -f '(port (80 or 8080) or portrange 21-22)' &>/dev/null