SSH, Keys, and GPG By Dan Aukes
Tools and topics specific to SSH, GPG, and encryptionread more
Collected commands, tips, and tricks for working headless in Ubuntu
The most useful SSH-specific commands
List gpg keys gpg –list-keys gpg –list-secret-keys prints out ids
Introduction These notes are from memory, so they may be out of order.
Settings for hardening ssh on Ubuntu
Using grep by itself search for “searchtext”, ignoring case, ignoring binary files, recurisvely search, with line numbers, in this folder.
Updated for Ubuntu 22.04 Install Software sudo apt update sudo apt -y upgrade sudo apt install -y busybox dropbear* Create and add key
findcommand in bash
Using the find command in bash Find all files below the current directory that match “tecmint.
Introduction This section discusses how to prepare a virtual machine for installing ROS.