ss: The ss command is useful utility for displaying socket statistics. To list all open services and their associated ports, use the following command: ss -tuln. Similar to netstat, this command will show TCP (-t) and UDP (-u) connections, listening (-l) ports, and display the port numbers (-n) instead of resolving them to service names
lsof: The lsof command lists open files, including network connections. To list open services and the ports they are using, run the following command: lsof -i. This will display all open network connections and associated processes. You can also combine it with the grep command to filter the output based on specific ports or services.
netstat: The netstat command displays active network connections, listening ports, and statistics. To list all open services and the ports they are using, run the following command: netstat -tuln. This will show TCP (-t) and UDP (-u) connections, listening (-l) ports, and display the port numbers (-n) instead of resolving them to service names.
The vmstat command in Linux is used to provide information about virtual memory, system processes, CPU usage, and other system statistics. It displays a summary of memory, CPU, and I/O statistics at a given interval.
The iostat command in Linux is used to report CPU, disk I/O, and partition statistics. It provides detailed information about input/output (I/O) operations and disk utilization.
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