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Turn off the password expiration for user henriqueal:
# chage -M 99999 henriqueal
It's easier remember name than numbers! Configure your 'hosts' to map hostnames to IP addresses:
## Open hosts file:
$ sudo gedit /etc/hosts
## Add the follow line:
192.168.0.1 app-hom
Stop typing your password! Generate your public ssh-key and install in remote servers:
## Generating ssh
$ cd~/.ssh
$ ssh-keygen
## After generate you should have two files (something.pub something)
$ ls
id_rsa id_rsa.pub
# Now, we can install it in each server we want. Let's install it in server configured in the first step:
$ ssh-copy-id -i ~/.ssh/id_rsa.pub henriqueal@app-hom