Linux Server Management Command

//Get Number OF All Http Connections
netstat -atnpl | grep :443 | wc -l

//Get Number Of Live Connection 
netstat -atnpl | grep :443 | grep -i estab | wc -l

// Apache Benchmark
ab -n 2000 -c 200

//Strace  PID
strace -f -t -o strace.output -p 29028

//Install PHP
https://www.rosehosting.com/blog/how-to-install-php-7-3-on-ubuntu-16-04/

chown -R www-data:www-data /path/to/webserver/www
chmod -R g+rw /path/to/webserver/www

//Create SSL
sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/asd.dev.key -out /etc/ssl/certs/asd.dev.crt