ec2-memory-optim

sudo apt install fail2ban -y

sudo fallocate -l 1G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sudo bash -c 'echo "/swapfile none swap sw 0 0" >> /etc/fstab'
free -h

sudo vim /etc/apache2/mods-available/mpm_prefork.conf

````
StartServers             2
MinSpareServers          2
MaxSpareServers          5
MaxRequestWorkers       20
MaxConnectionsPerChild  500
```

sudo systemctl restart apache2


# remove mariadb

sudo systemctl stop mariadb
sudo systemctl disable mariadb
sudo apt purge mariadb-server mariadb-client -y
sudo apt autoremove -y
sudo apt autoclean
sudo rm -rf /var/lib/mysql
sudo rm -rf /etc/mysql
free -h