TraceMAC is a command-line Layer 2 traceroute for Cisco switches
TraceMAC is a Windows/Linux command-line tool that allows you to trace a specific MAC address thru Cisco switches.
It works by connecting to a switch using SSH, SNMP, Telnet, HTTP or HTTPS and do some "show commands" and later process the output, this will happen recursively until it finds the switch where that MAC address (PC/Printer/Etc) is directly connected.
A command line tool to manage bytes in hex dumps or packet captures
Command-line tool to examine or edit bytes in hex, octal, binary, or in packet capture (pcap) dumps. Exd is intended to be used in conjunction with hex dump tools such as xxd, od, hexdump, or hd, and with packet capture dump tools such as tshark and text2pcap.
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byte hex octal binary pcap packet packet dump hexdump
dpkglist.awk is a command-line tool for querying available packages on ubuntu and debian systems. It overlaps with the standard apt-cache utility, but, written in simple awk, it is easily extensible, and makes it easy to write one-line scripts.