a command to turn off or reboot the system

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0
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1answer
134 views

Hook shutdown script to shutting down sequnce

Is it possible to hook some script to shutting down sequence for Linux? To give you a bit more context processes of nodes of the cluster are started as processes from cluster -master. They are not ...
1
vote
1answer
2k views

Configure power button to shutdown on Debian

I use Debian and I want my power button to shutdown the PC. Currently it sleeps, when I press it. Is there any command for it to make it shutdown?
1
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2answers
346 views

shutdown ubuntu server after 2 days at midnight

without using a cronjob how would I have a ubuntu server shutdown after 2 days (2880 minutes) at midnight? The essence of what I want to do is this: bash shutdown -r +2880 00:00 which would tell ...
9
votes
1answer
262 views

Don't let users reboot while root's logged in

On my system users can reboot and shut down the system. From time to time I need to update software (or do anything else) and I don't want users to reboot/shutdown the system until I've finished. Is ...
0
votes
1answer
110 views

Recover from ext2 filesystem corruption

I have a TinyCore (3.6) Linux distribution on a device of mine, which uses disk-on-module or compact flash storage. The filesystem is ext2. I have a LAMP stack on this device and I'm playing with a ...
2
votes
1answer
59 views

How do I identify on my system after successful boot. weather it was crash or was it a shutdown or reboot or something else?

Depending on the restart of the system, I need to make my application taking some follow up. my system is get restarted as following: my self as system admin rebooting sudo init 6 or sudo reboot my ...
2
votes
1answer
305 views

How to shut down Linux if idle for 30+ minutes?

We define "idle" based on how screen savers in Linux define it. I found this tool called "xautolock". I tested it like this: /usr/X11R6/bin/xautolock -time 1 -locker "notify-send test" I placed ...
3
votes
1answer
767 views

What's the right way to shutdown Arch Linux through dbus interface?

I'm running openbox with Arch Linux, and looks like the old console kit interface has been long gone, %> dbus-send --system --print-reply --dest=org.freedesktop.ConsoleKit ...
1
vote
1answer
327 views

Can't Log into Fedora 19 after force shutdown

I was exploring my new fedora 19 after a crash in KDE (I don't know what I just did). I couldn't shutdown my laptop either with the graphical method or the terminal way (because the terminal refused ...
2
votes
1answer
403 views

Why won't this shutdown script work when executed by ACPID?

Based on this thread I modified my /etc/acpi/powerbtn.sh script to account for LXDE sessions: # getXuser gets the X user belonging to the display in $displaynum. # If you want the foreground X user, ...
1
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0answers
379 views

PC sudden shutdown, Sensors show normal temps, Thermal event interrupts shows 1276

I'm experiencing sudden shutdowns on my Linux systems. Using Ubuntu 12.04, my kernel version is 3.5.0-37-generic #58~precise1-Ubuntu. Running a Acer M5 581t(G) with 6 gigs ram laptop. I have been ...
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3answers
100 views

Is there any way to disable shutdowning remote machine?

I sometimes mistakenly shutdown the remote machine by using sudo init 0, so I wrote something like in one of my rc files: alias sudo='sudo ' if [ $SSH_CLIENT ]; then alias init 'echo Never use init ...
3
votes
1answer
679 views

Poweroff or Reboot as normal User

To run the command poweroff or reboot one needs to be super user. Is there anyway I can run this as a normal user? I just don't want to sudo and enter my password every time I reboot or power off.
0
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1answer
686 views

My laptop shuts down every time I unplug it

I am using a Lenovo G580 with Linux Mint 14 updated. My laptop shuts off every time I unplug it as if there is no battery even when I am using the BIOS. But, It detects the battery as "84% charging" ...
1
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0answers
236 views

I get this shutdown prompt, then my laptop dies. What is happening?

I get a dialog box that says 'Shut down the system now', the same as if I had clicked 'quit' in the main menu. This happens seemingly randomly. If I choose 'cancel', it sometimes goes away. Other ...
3
votes
1answer
178 views

Rolling your own init: How to shutdown/restart?

After reading this answer, I thought it would be funny to roll my own init on Python, so I wrote this in /init-python. #!/usr/bin/python3 import os import subprocess # Make / writable! ...
1
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2answers
577 views

Warn users that the system is going down for a reboot

I'm new to linux server administration, and I wonder how you would warn users that the system is going down for a restart. According to LPIC1 Training here: ...
5
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2answers
586 views

How can I ensure only the root user have the right to halt/reboot the system?

CentOS Linux by default allows all users to have permission to "halt" & "reboot" the system by using the commands halt and reboot. How can I configure my system so that only the root user has the ...
3
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3answers
298 views

To recover my system so it shut down normally?

I have Linux mint 13(ubuntu 12.04) installed on my thinkpad T520, running for around 1 year. I'm not able to shut down my machine even if I do: sudo shutdown now. At first, it halts after messages of ...
1
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0answers
428 views

Why does my server not shutdown properly?

When I run $ reboot on my embedded FreeNAS 0.7 (FreeBSD 7.2) it does start the shut down procedure but seemingly hangs. I have registered a command to start a service script which is executed on ...
2
votes
2answers
587 views

How to disable wlan0 when shutdown

Since a long time ago my Sony Vaio with Lubuntu 11.10 is showing a red FAIL message during the shutdown process. It tries to kill some process and the white messages on the screen frozen for some ...
11
votes
1answer
1k views

What happens when I press “Shut Down” from the GUI?

I have been banging my head against this for quite a while now. It's related to this question. I would like to find out exactly what happens when I choose to shut down my Linux box from the GUI. This ...
1
vote
1answer
1k views

Xfce: Upgrade from Squeeze to Wheezy broke xfce's user policies

While using Debian squeeze, I was able to allow a user shutdown in xfce by adding users to the powerdev group (see here: xfce: Allow shutdown for non-root users). Now, I upgraded my system to Debian ...
5
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1answer
196 views

Automatic shutdown after startup

I'm a new newbie Linux Mint user but I have a lot of desire to learn. I played a little with the shutdown command typing: sudo shutdown +20 and then: sudo shutdown -c I then manually hibernate ...
2
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0answers
292 views

Fedora 18 doesn't shutdown , restart or sleep / can not unmount all file systems

When I do something (whatever) that results in a shut down, restart or sleep (for example usual shut down or restart, closing the lid, etc.), fedora 18 (x86_64 , GNOME desktop) comes up with an error ...
3
votes
1answer
209 views

Shutting the computer down from Openbox

I've recently installed Openbox,and read a guide that said the PC should be shut down via this command: gdm-control --shutdown && openbox --exit However, it seems a bit counter intuitive. ...
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2answers
1k views

How to simulate unplugged network cable or down server?

I have simulated network latency with netem and It's great. Now I want to simulate unplugged network cable or when server goes down. I need this to make testing of my application easier and I couldn't ...
2
votes
1answer
145 views

Diagnose unplanned shutdowns

I have a problem with a server that is shutting down for some unknown reason. I check the logs each time it happens and cannot find anything of particular interest which would suggest why its going ...
14
votes
1answer
1k views

How to prevent shutdown when an SSH user is logged in?

I'm administrating a networked environment and I had an interesting situation arise yesterday. When a host is required to shutdown by a regular user, it refuses to do so if other users are logged in ...
33
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4answers
32k views

What is the difference between reboot , init 6 and shutdown -r now?

I just want to know difference between in reboot init 6 shutdown -r now and which is the safest and the best?
2
votes
1answer
250 views

Why was -F removed from /sbin/shutdown?

I used to be able to run /sbin/shutdown -r -F now but in recent Ubuntu and Fedora releases there is no -F option and if I want to force an fsck I need to do touch /forcefsck; /sbin/shutdown -r now. ...
2
votes
1answer
114 views

How can I setup a system immune to abrupt poweroffs?

I have a system that boots from a solid state disk. How can I make it immune to improper shutdowns? I can also switch to a distribution having this feature. I can choose between Ubuntu, Redhat, and ...
2
votes
3answers
602 views

Ensure that loopback root and host are unmounted on shutdown

I'm trying to setup a Linux system that runs from an LVM-formatted image file. After some tinkering with the initramfs and boot options I managed to make it up and running by mounting the host file ...
7
votes
1answer
733 views

What's the right way to execute a script before system shutdown (systemd)?

I wrote a script that suspends all my VirtualBox machines, and put a line in /etc/rc.local.shutdown, but it doesn't seem to work, su - XX -c /XX When I'm booting the next time, VirtualBox tells me ...
3
votes
2answers
846 views

Is running “sudo sync” and removing power dangerous for my system?

I run an Ubuntu system, and it sometimes takes a while to shut down. Apparently, GNU/Linux attempts to, in a nutshell, stop all running processes, flush the filesystem journal, and then cut off the ...
2
votes
2answers
3k views

xfce: Allow shutdown for non-root users

How do I allow shutdown for normal users in xfce? Currently, the log-out/restart/shutdown box only allows the log-out option, and having to switch to the console, logging in as root and shutting down ...
2
votes
1answer
187 views

write pc uptime in a file in shutdown

I need to log PC uptime. How I can do this? I use uptime for this and I will when ubuntu is shutdown write this command output in a file.
3
votes
1answer
347 views

Have Sun keyboard moon key (116) not shut down my computer

On my Sun keyboard, the top-rightmost key (with a moon image, right above the keypad) shuts down my computer. I'd like it not to, as I hit it by mistake now and then. In /etc/default/keyboard, I only ...
11
votes
3answers
641 views

Eject CD on shutdown

OK, so I have a simple problem: I have a live CD, and I want the CD to eject when the computer is rebooted or halted. Executing /usr/bin/eject -m makes the CD eject just fine... trouble is, as you ...
10
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8answers
614 views

How to read the messages during power off

I'm using Lubuntu 11.10. Every time I turn off my Sony Vaio I can read FAIL in red letters. But I can not read. I tried to take a photo, but not success. Well, I was not worrying about this but ...
4
votes
1answer
672 views

Using a APC Smart-UPS to shutdown a Ubuntu Server Cluster

I'm currently in the process of designing a solution to shutdown a two Ubuntu Server cluster that uses heartbeat and DRBD to replicate storage and offer a NFS share to some IP cameras. We want to ...
15
votes
2answers
10k views

Execute a command before shutdown

I want to execute a simple command just before the computer shuts down (timing is not essential). For startup I can use /etc/rc.local - is there something similar for shutdown? Note that I would ...
1
vote
2answers
711 views

My computer won't shut off normally

Every time I try to shut down my iMac it just stays on that loading circle forever. The only way I can get it to shut down is by holding down the power button. I checked the system logs (below) and I ...
0
votes
0answers
196 views

A Reboot() command with failover

I'm implementing a Reboot() call in my application. It's an embedded application, so no console, keyboard or power switch. The Reboot() must eventually restart the system no matter what. Ideally, I ...
3
votes
3answers
414 views

Upstart: How to run a “stop” before stopping other services?

I recently found out about the upstart "service starter" that Ubuntu is using and that is (apparently) the future to start/stop jobs in Linux. It's pretty new to me (I was used to the old SysV system ...
6
votes
1answer
234 views

How do DE's call ACPI functions?

Okay, first off, this is not a problem I am facing, but I would like to understand this better. If I wish to shutdown / reboot my machine from the command line I need to call: $ sudo poweroff $ sudo ...
7
votes
3answers
2k views

Shutdown from login prompt in tty

Suppose I boot a Linux machine without GUI. When it displays a tty login prompt, can I shutdown the machine with a keyboard sequence? Of course I could type in my username and password and then sudo ...
3
votes
1answer
815 views

How to check will my computer is going to reboot(or shutting down)?

When I send a reboot command(or shutdown) command to a Linux machine does it keeps that messages at somewhere and can I query it. I.e. I will send a reboot command and after that I will run another ...
4
votes
2answers
878 views

Gnome: how to close all applications?

I've configured the Debian system on my netbook to shut down whenever the battery runs too low. Problem is, shutting down kills all running applications without giving them any chance to save any ...
6
votes
2answers
5k views

Is halt the same as “shutdown -H” and poweroff the same as “shutdown -P”?

I haven't found a clear answer to the differences between the two options to the command shutdown. Is halt the same as shutdown -H and poweroff the same as shutdown -P?