Shutdown without sudo. This command will immediately shut down the system.

Shutdown without sudo. user_name ALL=(ALL) NOPASSWD: /sbin/poweroff, /sbin/reboot, /sbin/shutdown. Mar 18, 2024 · Learn some useful commands to reboot and shut down a Linux system from the command line. Apr 10, 2017 · There are a number of options availabe, the easiest I have found for shutdown is sudo poweroff and for restart is sudo reboot. The command has to be run as root so you need to use sudo. Here we have used `-f` option for an immediate reboot without any delay. There is third way and that is to configure sudo for the new user account. Edit: I don't endorse using setuid to shutdown without root privileges. This will schedule a shutdown a minute from your current time. Add the following line: %group_name ALL=(ALL) NOPASSWD: /sbin/poweroff, /sbin/reboot, /sbin/shutdown. . Nov 14, 2016 · This thing was started when I saw that I can shutdown without a sudo command , so I am asking if it is a mistake , or this kind of installation can be less secure , in a general pourpose . Processes started during system startup or in (root's) crontab already run as root. The shutdown command offers a way to schedule a shutdown or restart for a later time, and the same can be used to cancel a scheduled shutdown or restart if needed. How can I change this behaviour so that I am not able to run reboot without sudo? I tried checking where reboot actually points: user:~$ which reboot /sbin/reboot user:/sbin$ ls -l reboot reboot -> /bin/systemctl Jun 10, 2024 · Force Immediate reboot in Linux system: sudo reboot -f. You can cancel the scheduled shutdown with option -c: sudo shutdown -c. shutdown; reboot; logout; suspend; But when I type reboot or shutdown -r now in the terminal, that does not work. 04. username ALL=(ALL) NOPASSWD: ALL Jun 15, 2016 · For shutdown: sudo poweroff. Appendix: If your keyboard is "locked up", so you can't enter a command like "reboot" which would run from "su" anyway, use the keyboard: hold down Alt + PrintScreen/SysRq, buttons and type "REISUB". It’s just that instead of a shutdown, the system will be restarted. or. It reads time using the 24-hour format, so you’ll need to type sudo shutdown -P 14:45 if you want to turn it off at 2:45 in the afternoon. Without further ado, I'll show my sudoers file in order to shed some light about this: I am using LXDE on Debian. That should allow anyone to run shutdown as root. Here is the command that you can use: $ sudo shutdown -P now. Also, we can use the –halt option to halt the system without rebooting it: $ sudo reboot --halt Mar 26, 2013 · Can I permit a normal user to execute /sbin/shutdown without using sudo? Here is what happens on my computer running Ubuntu 8. ” Cancel a timed shutdown by using the -c option: $ sudo shutdown -c. Using shutdown command restart our Linux System. You only need sudo when you are logged in, and a program runs using your user account with less privileges; sudo gives such a program root privileges. Thanks . Long answer: You must either have NOPASSWD in /etc/sudoers, or log as root. 06. sudo reboot -h-i I've been trying to get my ubuntu restart without having to edit the sudoers. I am able to execute reboot command as a non-root user without sudo. Let's schedule a shutdown for 15 minutes from now. d name it as you wish (I named it 'shutdown'), and put the following lines inside: # Allows me to shutdown the system without a password. Aug 18, 2020 · I tried everything I could come up with: Putting NOPASSWD in the default %sudo group, putting it instead in my user directly, putting it as an alias, and even, putting the several paths for command reboot, poweroff and shutdown, but nothing works. The scheduled shutdown can be canceled anytime using the -c argument: sudo shutdown -c Jan 27, 2015 · Traditionally, the command sudo shutdown now will take you to the runlevel 1 (recovery mode); this will happen for both Upstart and SysV init. Now i need to resart and shutdown the system by octoprint. Type shutdown, a space, +15, a space, and then the message to send to the users. Jun 6, 2024 · Scheduled System Shutdowns: Schedule a system shutdown in x minutes using sudo shutdown +x. The shutdown command also lets you schedule powering off your system. chmod u+s /sbin/shutdown There are security implications though since anyone can then run shutdown. 6. 1 LTS and trying to execute "poweroff" as a sudoer but without needing to enter the password. Finally, type the following command to shutdown system immediate as root user: # shutdown -h now OR # shutdown -h +0 Of course, one can use the sudo command as follows: $ sudo shutdown -h now Shutdown in 10 minutes: $ sudo shutdown -h +10 & Apr 11, 2014 · If you script does other stuff as well that shouldn't run privileged, you may want to look into polkit or sudo. Right now, I am using: Jul 3, 2012 · Notice with this configuration, any sudo user can now also run sudo reboot with any arguments, flags, and parameters without having to provide a password, including e. Feb 5, 2015 · The privilege to shut down or restart without root is managed by ConsoleKit. yourUserName ALL = NOPASSWD: /sbin/halt, /sbin/reboot, /sbin/poweroff. The system is going down in five minutes. Just run it without it. d/ with the right Apr 21, 2021 · There is, however, a way to shut down the system without any delay and prompt. I do have a USB mouse but it's prohibitive to click through menus to shut down the Pi through the GUI when headless. It is part of the systemd tool suite, which is simple and efficient. Nov 19, 2018 · sudo shutdown -r. The syntax to shutdown immediately is: sudo shutdown +0. Shutdown -h now. You can append a message to all users by entering it after the time specification, like this: $ sudo shutdown --halt +5 “Attention. Send a Warning Message Before Shutdown Feb 14, 2024 · Hy i use octoprint on my orange pi. It is common to pass shutdown some parameters, such as a time string and a message that will be sent to the logged in users to warn them off the shutdown. How do I shut down my Linux system via the terminal? Use`sudo shutdown now` to shut down immediately or `sudo shutdown +10` to schedule a shutdown in 10 minutes. This command would immediately reboot your system after all processes running are stopped. Feb 14, 2018 · The ability to reboot without using sudo is dependent on being at the machine's console. This allows the user/group to run the above three commands, using sudo, however with no password. If you need to know how to turn off modern Linux systems, which run systemd, without root or sudo programmatically (Python or Bash shown here) or from a command line. Here's a screenshot of what it looks using Jun 16, 2012 · To shutdown use sudo shutdown -now or sudo shutdown -time tell shutdown in minutes. The reason I ask is because I use ob3 now and not gnome which had the support for reboot and shutdown as a normal user. Mar 18, 2024 · This command results in an immediate shutdown without contacting the system manager, systemd. Once the system is cleanly halted, the user may safely hit the Power button on his computer manually. The basic command to stop your Raspberry Pi will be: sudo shutdown now Options you may want to try: Stop the Raspberry Pi in one minute sudo shutdown Other users will be notified. sudo shutdown -r now e. Logging Out Users: Log out users from the system using sudo shutdown -l now. Type the command as follows to shutdown server / computer immediately: $ sudo shutdown -h now OR $ sudo shutdown -h 0 . To reboot use sudo reboot to restart and sudo reboot -time in minutes to power back on and or use just sudo reboot to restart now sudo shutdown without the -time will default to one minute to cancel shutdown use sudo shutdown -c Standard permissions do not allow regular users to shutdown a unix machine. When we execute the shutdown without any options, $ sudo shutdown 3. Also, it kept bugging me that in xfce all you had to do was be in the powerdev group; which I did add myself too but invoking the command /sbin/shutdown got me nowhere. When logged in LXDE as user, I can click on the logout icon in the menu and choose one of the options:. To learn more about shutdown, visit the shutdown May 26, 2022 · $ sudo shutdown --halt +5. Syntax sudo reboot [options] Basic Example sudo reboot. bashrc Now you can run the commands as a normal user without being prompted for a root/sudo password (and therefore, eliminate the need to know the password altogether). sudo shutdown -h +60 From comments there are two things to be addressed Hi, I always reboot/shutdown without sudo but in my new Arch VM that does not seem to work, I always have to sudo reboot/shutdown, otherwise it gives me the following errors: Failed to set wall message, ignoring: Access denied. shutdown -h now Schedule Ubuntu Shutdown. Failed to talk to init daemon. Login as root Add user to group, wheel, in /etc/group nonsense deleted, never change permissions Dec 22, 2021 · Just like a shutdown, a restart can also be scheduled. This command requires sudo privileges as such an abrupt shutdown may harm the system. Pre-authorisation is already granted through sudo. But if you want to shut down the system after a certain time, you can specify time instead of ‘now’. What are the shortcut keys for shutting down Linux? If you need to give someone permission to shut down your system, figure out how to configure sudo to allow it. Immediate System Shutdowns: Perform an immediate system shutdown using sudo shutdown now. Often it is useful to grant non-super users the ability to shutdown the server. freede Dec 22, 2020 · The shutdown command can be only used by root or users who have root privileges via the sudo command. chmod 4755 /sbin/shutdown That sets the suid bit on the executable. You can get around this on some Linux systems by simply adding the “sudo” command before the Linux shutdown command in question (e. When canceling a scheduled shutdown, you cannot specify a time argument, but you can still broadcast a message that will be sent to all users. You can also create a new file under /etc/sudoers. It will shut down the system after the specified time. g. While the mechanism for how this works is changing as a result of systemd and logind, sending the following ConsoleKit message should still work to shut down without root: /usr/bin/dbus-send --system --print-reply --dest="org. a sudo, or; being root. Don't go down the path you're going down. The alternate syntax to shutdown the system immediately is: sudo shutdown now Oct 25, 2024 · Method 1: Reboot Command. sudo reboot -f--no-wall: Prevents wall messages from being sent. sudo shutdown Am trying allow a specific user, who is in the group sudo, to perform an emergency shutdown using the following code: echo 1 > /proc/sys/kernel/sysrq echo o > /proc/sysrq-trigger Note, this is without using the command sudo! Sep 2, 2024 · sudo poweroff. So in general you should provide the sudo command to use the shutdown command as a regular user with root privileges. If you have scheduled a shutdown or a restart, and later you realized that you don’t need it, you can cancel it easily. If you ssh into a machine, you still won't be able to reboot it without sudo, even if you're the only user logged in. So i try shutdown -h 0 or systemctl poweroff Aug 1, 2017 · I have a laptop with Ubuntu 16. to reboot the machine immediately. Without using deprecated approaches like HAL and/or ConsoleKit. sudo poweroff; Shutdown This one is more interesting as there are several useful options available. $ source ~/. In this case, poweroff is the same as calling shutdown -P. ConsoleKit" /org/freedesktop If your process lives in such an environment, you can call systemctl poweroff or systemctl reboot. to shutdown the machine in 60 minutes. freedesktop. a) Restarting Immediately. So, if you used shutdown -r without any time argument, it will schedule a reboot after one minute. If you're on a distro that uses systemd, its APIs may also help you - by default, it respects shutdown requests from a non-privileged user if they're the only user logged in. This command will immediately shut down the system. You can schedule reboots the same way you did with shutdown. 04 as the user "vato": $ shutdown -h now shutdown: Need to be root $ sudo chmod +x /sbin/shutdown $ ls -l /sbin/shutdown -rwxr-xr-x 1 root root 44312 2008-04-11 09:50 /sbin/shutdown halt -f: specifying the option -f (note that you need -f to avoid the shutdown procedure) with the above command, with sudo poweroff -f or maybe even with sudo reboot -f -h. How do I shutdown compute at specific time? To shutdown computer at 6:45pm, enter: $ sudo shutdown -h 18:45 "Server is going down for maintenance" Dec 29, 2016 · Sometimes the connection drops and I can't seem to reconnect without a reboot, which was amounting to pulling the plug more often than I'd have liked. May 10, 2021 · At that time, it already runs with root privileges, so there is no need to use sudo. sudo shutdown -r +30 Feb 23, 2009 · I don't want to install sudo and give him sudo privilegies, so I cannot use sudo and sudo=nopasswd for him. This has been possible before (in lucid I think) using a dbus command: dbus-send –system –print-reply –dest=org. In this case, reboot is simply calling shutdown -r. I'm trying to set up a user to run "shutdown" without sudo. The context of your process (running in a full blown login session, if no other user is logged in) will allow you to shut the system down. You can use the shutdown command without any options. sudo shutdown -c "Canceling the reboot" Conclusion # The shutdown command allows you to halt, power-off and reboot your Linux system. Offline Mar 31, 2018 · Trying to shutdown system with pmset $ pmset shutdown Usage: pmset <options> See pmset(1) for details: 'man pmset' Experiment with shutdown command $ shutdown -h now shutdown: NOT super-user $ sudo shutdown -h now Password: So each time to shutdown system, I should enter a password to use the superuser. $ apt-get update $ apt-get upgrade $ shutdown -h now 6 days ago · Next, switch to the root user by typing su - or sudo -s and entering the root password, when prompted. Apr 14, 2016 · Short answer: You can't execute arbitrary admin commands without either. – Aug 28, 2009 · How can I Poweroff and Reboot my system without using sudo? Last edited by aldoiljazi (2013-09-18 06:52:28) @aldoiljazi - kernel developer - arch linux user. Rebooting the System: Reboot the system using sudo shutdown -r now. It is used to reboot our system forcefully. Apr 14, 2016 · alias shutdown='sudo shutdown' alias apt-get='sudo apt-get' Reload the startup config for the current session. Shutting Down - halt, shutdown, sudo init 0, shutdown -h now, poweroff. Tue Dec 26, 2023 12:05 am . Jan 23, 2008 · If you don't want to have to type sudo every time, I guess you could run visudo and give yourself permission to run, let's say, /sbin/shutdown without a password. Edith : I tried on Plasma , and I3 , on two different machines . For restart: sudo reboot. bashrc_aliases and add Is there a way to reboot and shutdown without sudo on a normal user account? I've been tryng to figure this out for awhile. No message is displayed when the shutdown is cancelled. This command asks for a password and then shuts down the system. If you absolutely insist on doing this, or you're just playing around on a test VM that you intend to wipe after you finish playing, learn how to set The command takes a parameter -h, -r or -s to shut down, restart or sleep the Mac. bashrc (or your shell's equivalent) such as 'alias shutdown="sudo shutdown"'. It didn't help to chmod +x either, as it seems like it is something in the /sbin/shutdown program that hates everybody but root. Dec 18, 2023 · It is very dangerous to shutdown immediately in a muti-user Linux system as it can result in loss of unsaved data or worse, completely corrupt the system. Aug 15, 2014 · sudo shutdown -r 15:30. I added this line to visudo: nurp ALL = NOPASSWD: /sbin/poweroff It gives this Jul 29, 2019 · Now your user can issue commands like ``sudo reboot`` without entering a password. The ‘reboot’ command is one of the easiest ways to reboot your Ubuntu system. The halt command, if invoked without the -p switch, simply halts the OS and stops all CPUs. You can do this by the following command Mar 31, 2023 · For example, using sudo shutdown -P 2:45 shuts your Linux PC down as soon as it reaches 2:45 AM. I think adding a file to sudoers. Then create an alias in your . To schedule a restart 20 minutes from now, you can use: sudo shutdown -r +20 Cancel a scheduled shutdown or reboot. You may also be able to just add yourself to a special group that already has permission to reboot and halt without auth, but which group that is depends on how your distro has set up groups. Oct 1, 2019 · sudo shutdown -c. com/questions/147241/execute-sudo-without-password. Aug 5, 2010 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Feb 4, 2014 · To allow anyone to shutdown the system without giving the system away, try this as root. e. sudo reboot --poweroff --force. Failed to reboot system via logind: Access denied. “sudo shutdown now” or “sudo shutdown -r 0”). Sep 7, 2023 · This, of course, is the shutdown or "poweroff" state. sudo reboot -p-w: Only writes a wtmp reboot record and does not reboot. 1 Since shutdown is owned by root this should let you shutdown without sudo. This is one. Dec 26, 2023 · shutdown without sudo. The shutdown command shutdowns the system after 1 minute without a parameter like below. 6 days ago · Please note that the “shutdown” or “reboot” can only be run by a user with sudo privileges or root user to shut down, restart, or power off your Linux system. Schedule the Raspberry Pi shutdown at a specified time sudo Dec 15, 2023 · Forces an immediate reboot, without unmounting or syncing filesystems. The behavior is the same as the regular shutdown command. Access to the root account This method uses sudo to allow a user to run shutdown as root. , to shut down the computer properly, you need to give the -h switch to shutdown. visudo then add a line. To get what you want, i. Conversely, if you're at the console, you can still reboot without sudo even if other users are connected remotely. The following command helps in restarting the linux system immediately: sudo shutdown –r now Mar 24, 2016 · Posted: Thu Mar 24, 2016 8:24 pm Post subject: reboot/shutdown without sudo, polkit or consolekit I didn't find any solution how I can reboot or shutdown laptop without being under root user. As you have noticed, The shutdown command can do a lot of stuff, here is a small list of it: Nov 12, 2022 · 1. e. sudo reboot -w-h: Displays help information. In general you will need to root privileges to perform these commands (security control - prevents users from bringing a system down without privilege escalation) although if you really tire of typing sudo every time, you can create aliases vim ~/. The posting by infinitycircuit got me thinking about permissions and related areas. For example, to schedule a restart for your system at 10 PM: sudo shutdown-r 22:00 Code language: CSS (css) To schedule a system restart 30 minutes from now: sudo shutdown -r +30 Canceling the Shutdown. It doesn't have to be capital letters. Feb 20, 2023 · You can only use shutdown commands on Linux if you have the necessary administrator rights. there are a number of ways to do this. You just have to use the -c option with shutdown command: sudo shutdown -c Sep 5, 2024 · The`shutdown -H now` command halts the system immediately, stopping all processes without powering off the hardware. man sudo and man sudoers should give you tons of info. I do not want to install sudo, polkit or consolekit but if there is no other solution I guess I will. You can also use the systemctl command to shut down Oct 9, 2007 · The shutdown command can be used to turn off or reboot a computer. See https://askubuntu. The important difference is in the two commands being issued by sudo. Feb 3, 2009 · The above replies got me thinking some more about how to shutdown / restart without sudo, etc. Indeed we can read from man reboot (and equivalents) about the need to specify the option -f to avoid to call the shutdown: Dec 14, 2018 · I have Ubuntu 18. 2. Poweroff Ubuntu using shutdown command. sudo reboot --no-wall-p: Powers off the machine (halt) after rebooting. sudo shutdown. yez uppe hmqootv xuqq owmi hlqc lhlme mglkq vdzqku lvbzfv