Let's see how to display yesterday's date with the date command.
On MacOS, we pass the following command:
date -v -1d +'%Y-%m-%d'
On Linux:
date -d 'yesterday' +'%Y-%m-%d'
date -v -1d +'%Y-%m-%d'
date -d 'yesterday' +'%Y-%m-%d'
When we use ssh to connect to the host for the first time, a fingerprint confirmation of the host key will be displayed. Sometimes use rsync for some automated scheduling, maybe the remote host has changed and needs to be automatically allowed, How to let ssh automatically allow fingerprints to connect without manually pressing yes in interactive mode?
Sometimes we need to generate a random password, but do not know what to use? Here is a simple bash that allows us to easily generate a set of passwords on the terminal.
Programs in the ssh core suite such as scp, ssh, ssh-add, ssh-agent, sshd, and ssh-keygen Let's talk about ssh-agent and ssh-add usage scenarios. Before we start, let's take a brief introduction to the purpose of these instructions:
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