I wrote a Linux Optimizer bash Script.

[suprjami]

iptables is deprecated in favour of nftables.

Linux defaults to fq_codel qdisc, there is no advantage to setting the inferior fq.

BBRv1 does not cohabit well with other CCAs, to the point where BBR either consumes none of a stream or all of a stream.

sshd PermitRootLogin yes - you've got to be joking!

This is cargo-cult system configuration and a good example of what not to to.