A password-based authentication is often a default way to connect to a remote host over SSH.
But as it requires a user to enter a password manually, this creates some complicity if you need to automate the SSH login.
This note shows how to login over SSH by passing the password as a parameter on a command-line using the sshpass command.
SSH Login With Password
Install the sshpass tool, that permits to set the SSH password on the command-line:
# Debian/Ubuntu/Linux Mint $ sudo apt-get install sshpass # RedHat/CentOS $ sudo yum install epel-release $ sudo yum install sshpass # macOS $ brew install hudochenkov/sshpass/sshpass
To login to a host over SSH by passing the plain-text password as a parameter, use the sshpass command as follows:
$ sshpass -p <password> ssh <user>@<hostname>
- example -
$ sshpass -p P@$$w0rd ssh root@192.168.1.100
To execute a command over SSH without being prompted for a password:
$ sshpass -p <password> ssh <user>@<hostname> "<command(s)>" - example - $ sshpass -p P@$$w0rd ssh root@192.168.1.100 "whoami; hostname" - sample output - root ubuntu-2004
