'Reboot Linux with SSH command

I'm using simple-ssh with nodeJS and expressJS, and I'm trying to reboot a remote linux machine with ssh command, this is my code (it does not work, but if I try to execute a ls command that works.) help please!

ssh.exec('shutdown -r now', {
out: function(stdout) {
     console.log(stdout)}}).start();
node.jsssh


Solution 1:[1]

While I'm sure the user executing the command has sufficient privileges to run ls, do they have enough reboot? Check the logs!

EDIT: post revised to include my answer below. I provided it in a comment to this answer after the OP confirmed they have sufficient perms:

Given your reply that your user has sudo privileges, note that sudo's default behaviour is to prompt for a password.

To use the visudo editor (e.g. sudo visudo) to allow a given username to run the reboot command without a password prompt, try adding the following lines to your configuration: 

username ALL = (root) NOPASSWD: /path/to/reboot 
Defaults!/path/to/reboot !requiretty

Your username should no longer be prompted, and your call to ssh.exec() should work as desired. You can follow a similar pattern for any other command you need to run as another user / root.

If you need to determine the /path/to/reboot for your particular system use the command: sudo which reboot

Solution 2:[2]

I haven’t tried ssh.exec but unless you’re logged in as root, you can only call shutdown with sudo.

Solution 3:[3]

systemctl reboot -i

is the command for all linux machine rebooting condition.

Solution 4:[4]

To reboot your Linux pc using command line use:

sudo reboot

Enter your sudo password Wait system will reboot automatically

Sources

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Source: Stack Overflow

Solution Source
Solution 1
Solution 2 Ethan Doh
Solution 3 jrs
Solution 4 Tyler2P

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