$ git rm -r --cached file/folder
After pushing, removes file/folder
from remote only.
Generate an ssh key
$ ssh-keygen -t ed25519 -a 100
Test server connection speeds
Server 1:
$ iperf3 -s -f K
Server 2:
$ iperf3 -c server1 -f K
Add my SSH keys
$ curl -o ~/.ssh/authorized_keys https://github.com/maxisme.keys
Secure SSH
$ echo "PasswordAuthentication no" >> /etc/ssh/sshd_config
Test Drive Read Speed
$ cat /dev/sda | pv -r > /dev/null
Test Drive Write Speed
$ dd if=/dev/zero of=test.data bs=1k count=128k && rm test.data
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