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sshpass command-line tool will do the job for us. It facilitates a simplified approach to non-interactive ssh sign-in and supports one-liner ssh password input. Firstly, you need to install the sshpass tool on your Linux operating system.
First, open a terminal and run ssh-copy-id yourservername . You'll be asked to enter your password for the server. After entering your password, you'll be able to SSH into the server without needing a password again.
You can use rsync via ssh without a password by using public key authentication (key pair with no password) and the command option of authorized_keys . Note that you have to set PermitRootLogin forced-commands-only in /etc/ssh/sshd_config on the remote host if you want to run rsync on the root privilege.
Use "sshpass" non-interactive ssh password provider utility
On Ubuntu
sudo apt-get install sshpass
Command to rsync
/usr/bin/rsync -ratlz --rsh="/usr/bin/sshpass -p password ssh -o StrictHostKeyChecking=no -l username" src_path dest_path
You should use a keyfile without passphrase for scripted ssh logins. This is obviously a security risk, take care that the keyfile itself is adequately secured.
Instructions for setting up passwordless ssh access
You can avoid the password prompt on rsync command by setting the environment variable RSYNC_PASSWORD to the password you want to use or using the --password-file option.
I got it to work like this:
sshpass -p "password" rsync -ae "ssh -p remote_port_ssh" /local_dir remote_user@remote_host:/remote_dir
If you can't use a public/private keys, you can use expect:
#!/usr/bin/expect
spawn rsync SRC DEST
expect "password:"
send "PASS\n"
expect eof
if [catch wait] {
puts "rsync failed"
exit 1
}
exit 0
You will need to replace SRC and DEST with your normal rsync source and destination parameters, and replace PASS with your password. Just make sure this file is stored securely!
Use a ssh key.
Look at ssh-keygen and ssh-copy-id.
After that you can use an rsync this way :
rsync -a --stats --progress --delete /home/path server:path
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