Show network interface stats

More linux commands

• DNS lookup
  dig +short A example.com @8.8.8.8copy

  Query A records via a specific DNS server

• Reverse DNS lookup
  dig +short -x 8.8.8.8copy

  PTR record for an IP address

• Trace DNS delegation
  dig +trace example.comcopy

  Follow full DNS resolution chain from root nameservers

• Show established TCP connections
  ss -tnp state establishedcopy

  All established TCP connections with process info

• Count connections per state
  ss -tan | awk 'NR>1{print $1}' | sort | uniq -c | sort -rncopy

  How many connections are in ESTABLISHED, TIME_WAIT, etc.

all 133 linux commands →