The command known as ss which stands for socket statistics. It is used for listing listening and established connections and to find out which processes and users are associated with them. Finding all outbound connections to a particular port ss -t -o 'dport = :ssh' --resolve | awk '{print $4,$5,
There is a command called column which allows you to format the lines produced by a command into symmetrical rows/columns, which can then be easily converted into CSV or JSON. This will be quite handy for reading and populating files. In this case, I needed to populate /etc/ethers/
So what is DHCP? How automatic configuration works The DHCP client When you bring your laptop over to your buddies house and plug into their network, your internet is ready by "magic". This is achieved by the DHCP client daemon dhcpcd. When a new network link comes on
There are lots of places where you can download ad blacklists in the form of simple host files, but they require manual installation on every device. Instead we will make records for our DNS server so we can block ads network wide. I used a blacklist from somewhocares. This github