a command to turn off or reboot the system

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Ubuntu displays Shutdown window then turns off system

Some weeks ago, I've downloaded unetbootin both Windows and Linux versions to make a startup Ubuntu USB. I was going to use it to rescue my damaged Ubuntu partition. Tried the Linux version but didn't ...
4
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1answer
256 views

Execute code on shutdown on Fedora 19

I need to catch any OS shut down and execute some actions before letting the OS be shutted down. I'm using Fedora 19 and C++. I'm able to catch a shutdown signal given by the console with the ...
2
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1answer
1k views

Shellscript! Syntax error: unexpected “(”

Update: After the changes from the first answer I got some more error codes. : not found: line 23: { esxidown.sh: line 24: redir error Insufficient arguments. : not found: line 26: esxidown.sh: ...
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1answer
139 views

How does `shutdown -k` disable logins?

This is the -k option's documentation in man shutdown (at least on Ubuntu): -k Only send out the warning messages and disable logins, do not actually bring the system down. I initially ...
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3answers
1k views

Graceful shutdown in ArchLinux

I'm trying to get a graceful shutdown/reboot in ArchLinux with GNOME Shell. Now, when I ask for shut-down, it immediately shuts down without giving open programs time to gracefully close / save open ...
10
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2answers
3k views

How does the system shutdown of a linux kernel work internally?

I have somehow an rough idea of how the userspace and init-system (be it classic init sysV /upstart/ systemd) work at system shutdown. (Essentially there is an order succession of "Stop!", "Please ...
0
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1answer
92 views

How can Window Managers shutdown the computer? [duplicate]

When logged in to a virtual shell as an unprivileged user and try to shutdown, reboot, init 0 or init 6 don't work. But if you're running a desktop environment, you can easily select its shutdown ...
11
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4answers
14k views

How to shutdown Linux at a specific datetime from terminal?

It seems I can shutdown using sudo shutdown by specifying a time or minutes. Is there a way to specify datetime for shutdown?
2
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1answer
3k views

How to change Power button shutdown action

I use Mageia ver 4 Linux as server, without X started and without any user login-in during normal operation. This PC has a special card for measuring and control of other devices. This card has its ...
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0answers
15 views

How do I run a command if my server wakes up from hibernate? [duplicate]

How do I get a bash command executed each time when my server wakes up from hibernate? For ex. I want to restart my XBMC on Ubuntu when my PC wakes up with $ sudo killall xbmc.bin -9 Where should ...
2
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0answers
758 views

Ubuntu 12.04 / Elementary OS - Shutdown Problem / Logfiles

I have new Desktop PC on which I've installed Elementary OS, based on Ubuntu 12.04 LTS. The problem: the system doesn't shut down as expected: When using the 'Shut Down' option from the main menu, or ...
3
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1answer
474 views

How do I run a script just before halt using LSB headers on Raspbian

I'm building a shutdown button for my Raspberry pi, and for that I have a python script that needs to change a GPIO pin on my Raspberry Pi just before the system runs the halt script. Now Raspbian ...
0
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1answer
459 views

Should tmpfs be unmounted at system shutdown?

Assume I have a linux system with the following partitions mounted (beside root): proc on /proc devtmpfs on /dev devpts on /dev/pts tmpfs on /dev/shm sysfs on /sys tmpfs on /var/run tmpfs on ...
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1answer
1k views

Why is “Asking all remaining processes to terminate” failing during shutdown?

I installed Debian 7. Sometimes when I quick X and type sudo shutdown -h now, it says, Asking all remaining processes to terminate, then after a few seconds, it prints a long list of processes, then ...
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3answers
2k views

Is there a shutdown/restart command for x11VNC? - Linux (Debian)

I am running Linux (Debian). I recently installed the x11VNC server on my computer. I found the command to start the server is: x11vnc -display :0 I have been searching but did not find any ...
5
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3answers
326 views

Can I make the O/S drive READ ONLY and prevent metadata write back?

Sorry to ask a (probably) stupid question. I am a hardware designer struggling with provision of safe shutdown power to an embedded system. I am aware the Linux normally makes a heavy use of the ...
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2answers
2k views

An init-script does not get called on shutdown

I have set up an init-script to control the state of a VirtualBox VM: #!/bin/sh #chkconfig: 35 99 5 #description: vTiger virtual machine ### BEGIN INIT INFO # Provides: vtigervm # Required-Start: ...
2
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1answer
1k views

How to shutdown the computer from Openbox as a menu item?

How can I add a menu item to Openbox which launches a prompt to cancel or provide a root password, then shuts down X and the computer if the correct password was given? The question Shutting the ...
0
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1answer
759 views

Bring up shutdown menu of Cinnamon via command line

How can I bring up the shutdown menu of Cinnamon via command line? Note: I don't want the user menu. This menu for switching or logging out a user is brought up via Ctrl+Alt+Del.
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2answers
537 views

How to shutdown the computer from SLiM when root login is disabled?

I installed the SLiM login manager on Debian Wheezy and disabled the root account's ability to login, as described in this Debian Wiki article, so sudo <command> must be used to run anything as ...
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2answers
820 views

Arch Linux slow shutdown

I'm suffering from a very slow shutdown/reboot with Arch Linux, so I followed the instructions given here to enable logging. So here is the log generated during (slow) reboot that unfortunatelly I ...
5
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2answers
2k views

Is it possible to execute a script as first at shutdown/reboot on Debian?

I am currently trying to register a script (located in the /etc/init.d) in a way that makes this script being executed as the first script/programm at shutdown/reboot (change to running level 0 or 6). ...
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1answer
1k views

Shutdown log Linux UserName

Can I know who issued the shutdown command on any *nix system in a multi-user system? I want to know the name of the user who issued the particular command.
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2answers
233 views

What happens if I do an improper shutdown of Lubuntu 13.10? [closed]

I have Lubuntu on my 7 year old PC with 512 MB RAM and and Intel Dual Pentium Processor running at 3.00 GHz. I sometimes unplug it from the electrical mains in an emergency. Please tell me if ...
0
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1answer
51 views

My mp3player freezes when I eject it

When I eject(or safely remove) or unplug my mp3player from the USB, the screen freezes and an "ok to disconnect" message remains on its screen. Then I have to reset my mp3player. However when I ...
1
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1answer
172 views

How to postpone shutdown with systemd?

I run a desktop computer, which typically is shut down for the nights and often also during the day, when not in use or left unattended. I usually shut it down from GUI (KDE 4.10), sometimes - from ...
33
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4answers
2k views

Why can't I execute shutdown when the permission is rwxr-xr-x?

I'm in /sbin and I see that shutdown has permissions rwxr-xr-x. Doesn't this mean that anyone can execute it?
4
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2answers
562 views

Changing shutdown broadcast message

Is it possible to change the default message broadcasted by shutdown to something else?
2
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1answer
2k views

Why does halt not turn the machine off? [duplicate]

shutdown now kills everything and then powers down the machine. halt kills everything and then... there is no step 2. It will sit, running but not doing anything, until people stop arguing over ...
1
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1answer
105 views

How do I power down on reboot?

I am programming for a Linux ARM device and have some situations where I need to reboot the device after a user prompt. Whenever I run reboot -f or shutdown -r now though, the system starts up with a ...
2
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2answers
2k views

run a script at shutdown in Debain

I am using Debain wheezy. My problem is , I am using a limited 2.5 GB net connection. My idea is simply running a script as #!/bin/bash date >> ~/mydatausage.txt ifconfig -a >> ...
0
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1answer
336 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
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1answer
4k 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?
2
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2answers
695 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
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1answer
439 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
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1answer
149 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
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1answer
74 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
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1answer
385 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
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1answer
1k 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 ...
2
votes
1answer
501 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 ...
3
votes
1answer
526 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, ...
2
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0answers
533 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
112 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
2k 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.
1
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1answer
1k 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
298 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
285 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! ...
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2answers
1k 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
1k 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
votes
3answers
322 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 ...