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Java Script

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Makey Makey

Ubuntu stuff

sudo apt install exfat-fuse exfat-utils

Adding to blacklisted ips

go to /etc/apache2/ipblacklist.conf and use root to add the ip address of site to be blocked

use sudo systemctl stop/start to reload apache2

Setting up the firewall on the server

sudo iptables -A INPUT -s -j DROP (replace zeros with real world ip address)

To safe this configuration and have it loaded after next reboot enter: sudo apt-get install iptables-persistent

Subsequently additional blocked ip address can be saved with these commands

sudo netfilter-persistent save

and sudo netfilter-persistent reload

If you get sick of typing sudo, simply type "sudo su" once, and the terminal will then become root