The most useful SSH-specific commands
List gpg keys gpg –list-keys gpg –list-secret-keys prints out ids
Settings for hardening ssh on Ubuntu
Updated for Ubuntu 22.04
sudo apt update sudo apt -y upgrade sudo apt install -y busybox dropbear* Create and add key
ssh -L (localport):localhost:(remoteport) -C -N -l (username) hostname.domain -p (sshport) VNC Example ssh into port 22 on mydynamichost.
Auto-reconnecting reverse tunnel quickstart
Received disconnect from ########## port 22:2: Too many authentication failures Add the IdentitiesOnly option to your config file
I am a Robotics Researcher, director of the IDEAlab, and Assistant Professor in the Ira A.