#run cache system
nohup nice -n 20 php /root/alireza/cache/startcache.php

#certbot 
certbot certonly \
  --dns-cloudflare \
  --dns-cloudflare-credentials ~/alireza/certbot/cloudflare_ush.txt \
  -m alireza@didehnegar.net \
  -d ftk.pw \
  -d *.ftk.pw

#connection on server IP
netstat -anp | grep 1.2.3.4 | grep 80 | wc -l