password

Generate Random Password

 in Bash / GNU/Linux / HowTos  tagged base64 / bash / date / GNU/Linux / head / howtos / password / random / sha256sum by

date +%s | sha256sum | base64 | head -c 32 ; echo
date +%s : will print the system date and time in seconds since 1970-01-01 00:00:00 UTC

sha256sum :  will compute  the SHA256 message digest of the time in seconds we produced before

base64 : will encode the previous data and print them to standard output

head -c 32 : will print the first 32 characters of the previous data

; echo : is used to create a new line at the end of the results

Connect with ssh wihout using a password / without login procedure / with passwordless login / with no authentication

 in Bash / GNU/Linux / HowTos  tagged authentication / bash / credentials / GNU/Linux / howtos / password / ssh by

From your machine issue the following commands in order to let the server know of your information and allow you to login without going through the interactive authentication phase.

ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub useraccount@boxname

*NOTE: This method does not allow to connect the other way around without credentials. You need to repeat this from the other machine as well to make it two way.