웹서버 접속자수 확인

 netstat -anp | grep :80 | grep ESTAB | wc -l

  netstat -nap | grep ESTABLISHED | wc -l

  netstat -anl | grep ES | wc -l

  netstat -anl | grep :80 | grep ES | wc -l

   netstat -an | grep :80.*ESTABLISHED | wc -l

웹서버 커넥션 수

 netstat -n|grep -F :80|egrep '(ESTAB|SYN)'|awk '{print $5}'|sed 's/:[0-9]*//'|sort -u|wc -l