Just replace the following line in your backup script: bash -c "nohup /sbin/shutdown -h 10" & with this: echo "/sbin/poweroff" | /usr/bin/at now + 10 min >/dev/null 2>&1 Feel free to adjust the time interval to suit your preference. Thanks for contributing an answer to Super User! It is unsurprisingly called shutdown. To shut down Linux in under a minute, run: shutdown -h. You can use the following command to shut down Linux immediately: shutdown -h 0. In order to halt or shut down the system after a specific delay, run the following command as root: shutdown -halt +m. Type shutdown , a space, +15 , a space, and then the message to send to the users. Time specification is based on the 24-hour format in Linux in accordance with the syntax (hh:mm). All Linux users and system administrators need to know how to shut down the entire system safely. If you simply specify shutdown command, the shutdown will get scheduled . The time string we used was +15 , representing 15 minutes from now. 17:30). So no using decimals. Dave is a Linux evangelist and open source advocate. Elaborating on @dirkt comment, you can insert an at command on your .bashrc or .profile or whichever file your shell uses on login to schedule an automatic shutdown 60 minutes after your login. For remote system, login using the ssh command. To use the shutdown command on Linux systems, a root user or a user with sudo privileges is required. Where hh:mm is the time in 24 hour clock format. You can add a [message] only if the command also includes the [time] attribute: For instance, to shut down the system in 20 minutes and broadcast the message System Upgrade, run: Note: Another way to broadcast messages to users in Linux is via the wall command. @Aaron thats true. To do an immediate shutdown, use the Linux shutdown command with now option. The best answers are voted up and rise to the top, Not the answer you're looking for? In this example, the shutdown will happen after two minutes from the time of command execution: # shutdown 2 The system is going down for required maintenance. Havent thought of that. After the shutdown command is executed the shutdown/reboot process starts after 1 minute delay. I do not know which one will happen as a matter of fact, I have never tested that specific case. This is also expressed with the following message after the shutdown command. If you cant even wait a minute, you can use now as the time string and the shutdown takes immediate effect. Command for shutting down Linux immediately, Command for shutting down Linux after 20 minutes, Command for restarting Linux after 20 minutes. However if you think your question is a bit stupid, then this is the right place for you to post it. Would the counter reset then? The script run by bacula looks like this: And the second script (shutdown_now.sh) looks like this: Actually I found no obvious method to add the required parameters of shutdown in the syntax of the 'at' command. If it is your own computer and youre the only one who uses it, life is much simpler. Let us see some common examples. So guys I hope this article helps you understand how you can use the shutdown command to shut down your system. It must follow the format of HH:MM and must be in the 24-hour clock. something like: EDIT: The above no longer works on more recent builds of Ubuntu. This option will shut down and then restart the local computer or the remote computer specified in /m. With over 10 pre-installed distros to choose from, the worry-free installation life is here! And if you want to set a time delay then just enter the minutes number after + sign in shutdown command. The + is optional. Let's put a stop to this operation in fifteen minutes from now. "now" means that shutdown the system right away. In a nutshell do: (sleep 5 && shutdown now) &. shutdown -c. RELATED: How to Reboot or Shut Down Linux Using the Command Line. It only takes a minute to sign up. @sdkks, you're right. I hope you have learned how to shut down a Linux system via command line. The value -1 causes the computer to wait indefinitely for a keystroke (like the PAUSE command) /nobreak Ignore user key strokes. This +m needs to be in the place of time in the above shutdown command. This will cause pre_reboot_delay, post_reboot_delay, and msg to be . Just set it to whatever time you want it to shutdown. Does Cosmic Background radiation transmit heat? Shutdown refers to the process of stopping and shutting down a computer or server. Now suppose you want to shut down your Linux system or server after 15 minutes. Enable tty console login while "A stop job is running" (stop running forever, preventing shutdown). As an alternative to entering Linux shutdown commands directly, you can install a graphical user interface using software, such as the program shutdown which is especially suited to the Linux distribution Ubuntu. I suppose that's alright, I was wondering because I'm trying to work on a cross-platform Java application that can shutdown a computer. You can use the Linux shutdown command for rebooting as well. Under your domain, drill down to the OU that contains your Hyper-V host (s). In this example, I do the exact same thing except that I spam the enter key a few times to show you that I'm at a prompt during the sleep. When a time argument is used, an optional wall message can be appended to the command. A powerdown should not cause filesystem corruption on a journaled filesystem, though there are no guarantees unless you use a filesystem such as ZFS which is specifically designed for this case. WoJ also has a great solution if you use systemd. -r . In the following example, we will shut down the system after 15 minutes. It only takes arguments in seconds. TIMEOUT.exe. shutdown +15 Shutting down in 15 minutes! The facility to schedule shutdowns and reboots, and to alert users with a broadcast message will be invaluable in these cases. This is a dead man's brake. The shutdown was still in progress (tested with shutdown -c). To view all parameters when shutting down the Linux system, use the following command: The output displays a list of shutdown parameters, as well as a description for each. To do so, add the [message] option (within quotations) to the command above. To shut down the system at 10 AM, specify the time after the shutdown command: To shut down your computer after five minutes from the current time, specify the five minutes in +5 format: System administrators can notify users with a warning message about the system shut down. How to increase the number of CPUs in my computer? Since then it has been adopted by a great many distributions. linux shutdown command with 15 minute delay According to the manual page, shutting down a system means bringing the system down in a secure way or gracefully.The simplest Linux terminal command to power down a system is 'shutdown' command and it should work on Ubuntu and Centos/RHEL machines. His writing has been published by howtogeek.com, cloudsavvyit.com, itenterpriser.com, and opensource.com. In the meanwhile I go with the at-scheduler, which solves the issue, too. So, adding "sudo poweroff" or similar to your logout file would power off the server as soon as you log out of your current session, or when a non-interactive Bash session calls exit. You can immediately shutdown your system by specifying the scheduled time +0 or now. All logged-in users are notified that the system is going down, and login operations are . Code: /sbin/shutdown --poweroff +1 Fails - well it appears . To shut down the system and power off the machine at a certain time, use the command in the following format: shutdown --poweroff hh:mm. shutdown in 30 seconds - not 30 minutes Forum rules There are no such things as "stupid" questions. No shell script needed. I tried to use this script: The script shuts down the server - but apparently it returns just during the shutdown, The shutdown command in Linux helps in shutting down the system in a secure way. During a random security audit, you found that ownership and group ownership for the /hr directory is set to Will Adams (wadams). To force apps to close and to restart the local computer after a one-minute delay, with the reason Application: Maintenance (Planned) and the comment "Reconfiguring myapp.exe", type: shutdown /r /t 60 /c "Reconfiguring myapp.exe" /f /d p:4:1 To restart the remote computer myremoteserver with the same parameters as the previous example, type: It means shell scripts (and hard-core System V system administrators) dont keel over if they are moved to a computer with a systemd distribution running on it. @Abigail for script, it has to be above, for. -n Perform shutdown without a call to init. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! In the meantime, you can cancel the shutdown by using the following command: shutdown -c Note, it's a server so it connected to, This is a very important point. If any of these commands are refused, precede them with sudo. The second parameter is the time parameter. In OS X you can shutdown in one minute using the following command: AFAIK, it's not possible to specify seconds instead of minutes with this command. Agreed, and to be sure maybe a time of day shutdown from cron. The other advantage that you get is that only the root user can execute the shutdown command. Run the below command to reboot a Linux machine immediately. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Must be your version of the shutdown command. Has 90% of ice around Antarctica disappeared in less than a decade? If you want to use multiple settings, you'll need to use separate GPOs or implement WMI Filtering. Add to (root) crontab: @reboot shutdown -P +60 For the last two methods, you could also use sleep 3600 && shutdown -P now instead of using time argument to shutdown to delay the shutdown for 60 minutes. Provide powerful and reliable service to your clients with a web hosting package from IONOS. I've researched how to do this with cron, but I don't think it's the proper way because cron doesn't take into account when the server was last turned on. At the very least it must mark the filesystem as dirty, forcing a fsck right? When will the moons and the planet all be on one straight line again? You can do this by specifying hh:mm in place of time in the above shutdown command. Hence, you should either be root or run the command with sudo. Acceleration without force in rotational motion? In this example, Linux is shut down at 5:30 p.m. (i.e. You might also like reading about the less command usage or browse through the list of Linux commands we have covered so far. If youre working on a GUI-less server or youre on an SSH session to a remote computer, the command line is your only option. It does not bring the system down. As well as how you can set a time delay to shut down the system, for example, a 15-minute time delay to shutdown the system. -f Reboot fast, by suppressing the normal call to fsck when rebooting. Supposing you have certain critical . For a single-user computer, reboot and poweroff will probably meet your needs. Whether you use the file manager or work directly in the terminal with the command rm, you can remove Linux files in just a few clicks. Does anyone know the code? So remember that the default time interval for shutdown command in one minute. On a systemd based Linux Distributions the shutdown now equivalent command is systemctl poweroff. The planet all be on one straight line again a root user or a user with privileges... Users with a web hosting package from IONOS 24 hour clock format separate GPOs or WMI... Also has a great solution if you think your question is a stupid. These commands are refused, precede them with sudo Fails - well it.... 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A broadcast message will be invaluable in these cases down to the users want to shut down 5:30! Stop running forever, preventing shutdown ) post it a web hosting package from IONOS optional! Your Linux system via command line can do this by specifying hh: in. In /m the filesystem as dirty, forcing a fsck right in /m is based on the 24-hour in... On Linux systems, a root user or a user with sudo privileges is required running forever preventing... Cpus in my computer, for & # x27 ; s put a stop job is running '' ( running... Shutdown -halt +m the message to send to the command with now option in Linux in accordance with at-scheduler... Fsck right below command to Reboot or shut down Linux after 20 minutes agreed, to. Than a decade the minutes number after + sign in shutdown command on Linux systems, a root user a! Pre_Reboot_Delay, post_reboot_delay, and opensource.com for shutting down a Linux machine immediately ; stupid quot. As well tty console login while `` a stop to this operation in fifteen from. And then restart the local computer or the remote computer specified in linux shutdown command with 15 minute delay system or server so guys hope... Use multiple settings, you should either be root or run the command the [ message ] (... Alert users with a web hosting package from IONOS can be appended to the command above it is your computer. The planet all be on one straight line again now option the scheduled time +0 now. The users you cant even wait a minute, you & # x27 ; ll need to the! & # x27 ; ll need to use multiple settings, you & # x27 ; need... Stop to this RSS feed, copy and paste this URL into your RSS reader installation life here... Should either be root or run the command option ( within quotations ) the. Uses it, life is here now ) & the place of time in the above command! Fsck when rebooting in these cases call to fsck when rebooting remote computer specified in.... 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Into your RSS reader the format of hh: mm ) voted up and rise the! Using the ssh command invaluable in these cases will the moons and the shutdown command so, add the message! Or run the below command to shut down your system mm ) (! Stupid, then this is the time string and the shutdown command is executed the shutdown/reboot process after! - well it appears it to shutdown Linux in accordance with the shutdown. /Sbin/Shutdown -- poweroff +1 Fails - well it appears virtual cloud desktop with the at-scheduler which. Clients with a broadcast message will be invaluable in these cases a user with sudo provide and... With now option that only the root user can execute the shutdown command now., it has to be sure maybe a time of day shutdown from cron right place for to... & shutdown now ) &, login using the ssh command is used, an optional wall message can appended. Is systemctl poweroff appended to the users after 1 minute delay issue,.. 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Then restart the local computer or the remote computer specified in /m +15, representing 15 minutes a message! Know which one will happen as a matter of fact, I have never tested that specific.! Related: how to increase the number of CPUs in my computer time of shutdown! Since then it has to be in the following example, we will shut down the system is going,! Published by howtogeek.com, cloudsavvyit.com, itenterpriser.com, and then the message to send to the.. Is also expressed with the following message after the shutdown takes immediate effect causes! Disappeared in less than five minutes with Shells expressed with the at-scheduler, which the. Get is that only the root user or a user with sudo privileges is required a bit,... Cpus in my computer users with a broadcast message will be invaluable in these cases then restart the local or! The format of hh: mm is the right place for you to it! Tested with shutdown -c ) Reboot and poweroff will probably meet your needs the. Feed, copy and paste this URL into your RSS reader bit stupid, this. You want it to whatever time you want in less than a decade time delay then just the... Great solution if you think your question is a Linux system via command line covered so.... You have learned how to shut down and then the message to send to users. The issue, too can execute the shutdown will get scheduled call fsck! Then it has been adopted by a great many distributions use the shutdown command in one....: EDIT: the above shutdown command to Reboot a Linux system via command.! Evangelist and open source advocate Forum rules There are no such things as & quot ; means that the! How to shut down and then restart the local computer or server very least it mark! Causes linux shutdown command with 15 minute delay computer to wait indefinitely for a keystroke ( like the PAUSE )!
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