a command to turn off or reboot the system

learn more… | top users | synonyms

0
votes
0answers
16 views

Suspend option disappear from shutdown dialog on Mint 17.1 Cinnamon

Previously I have a "Suspend" option when I open shutdown dialog, not sure why (probably because I did a apt-get upgrade I found the "suspend" option has gone: Another thing is even I set my power ...
3
votes
1answer
48 views

How to poweroff headless machine using a script

I have a Java application that starts automatically when the headless machine (Ubuntu 14.04 Server) boots and runs as a user. When the application is finished I need it to execute a script to ...
2
votes
1answer
40 views

How to protect against purge of bash history?

Following the answer: When closing multiple bash instances at the same time, there is a known race condition that may cause the history to be cleared. This occurs because there is no locking ...
0
votes
0answers
39 views

Why doesn't Linux shutdown cleanly?

I'm running Linux Mint with LXDE on Dell Inspiron 1501. Whenever I issue poweroff command, or reboot or shutdown the computer via the graphical menus, it doesn't seem like a clean shutdown. In ...
0
votes
0answers
26 views

Is there a way for a webpage to know that the system hosting it is shutting down and report that on a page?

I'm working on a web front-end for a server that runs Red Hat. In the web interface, the user can tell the server to shut down. I want to make it so when the system is in the process of shutting down, ...
0
votes
2answers
32 views

How to escape from command line interface in fedora21?

I was stuck in command line interface of Linux Fedora 21. I don't know how to get to the GNOME. I forced my laptop to shutdown by hitting the power button several times. Now I really want to know how ...
3
votes
2answers
953 views

RHEL6 Can't make my script run on shutdown and reboot

I'm trying to execute a script in each shutdown and reboot but the script never runs. I created the script baseRhel64 and save it to /etc/rc.d/init.d I did chkconfig --add baseRhel64 I included in ...
1
vote
0answers
29 views

Debian wheezy - hanging on shutdown

My debian system hangs when I'm trying to shutdown/reboot. It hangs on: kvm: exiting hardware virtualization (infinitely blinking white cursor) I've tried to shutdown by gui and by ...
1
vote
1answer
42 views

How to turn off scroll lock LED, indicating keyboard layout, when the PC is turned off

I edited the file /etc/X11/xorg.conf.d/90-keyboard-layout.conf: Section "InputClass" Identifier "keyboard-all" MatchIsKeyboard "on" MatchDevicePath "/dev/input/event*" Driver "evdev" ...
1
vote
2answers
778 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 ...
1
vote
0answers
295 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 ...
2
votes
1answer
259 views

How to reboot/shut down gracefully in Awesome WM?

My current configuration uses kdesu shutdown -[rh] now to reboot/shut down. The entire shutdown procedure takes about 1-2 seconds. But after every boot Firefox says it was shut down prematurely, ...
0
votes
0answers
73 views

Acer Aspire v5 571 Power off reboots Arch linux

Everytime I try to power off my arch linux it will turn off and reboot. I assume the reasoning why it does this is because the usb ports don't turn off and it somehow turns it back on. I was trying ...
3
votes
1answer
115 views

Output shutdown messages to multiple consoles

I have configured my system to direct console output on boot to serial and vga using kernel parameters. Serial is the last argument in the kernel parameters and will be the default used for ...
3
votes
1answer
853 views

Find last shutdown time

This is the command I am using: last -x|grep shutdown | head -1 but it's giving me the duration with +2 hours: shutdown system down 3.14-1-amd64 Mon Jul 21 08:43 - 22:19 (13:36) the last ...
2
votes
1answer
75 views

Why doesn't `shutdown now` (with no other arguments) run init scripts?

I'm running Rasbpian on my Pi, and I have a script in /etc/rc0.d (or more precisely, a symlink to /etc/init.d/myscript.sh) that does some GPIO output to notify the user that power can be shut off. If ...
1
vote
1answer
67 views

Is there any command in linux which will force linux machine to not shut-down

I have a very important process which is having a Queue, In Queue i'm storing important data and when if someone trap that process it must have to process the data which is there in the Queue after ...
5
votes
1answer
135 views

Configure power button to shutdown on Debian/Mac Mini G4

I use Debian/PPC on an old Mac Mini G4, it currently serve as a DLNA server (UPnP), no mouse or keyboard plugged. I would like that my power button also serves to shutdown the box. Currently it does ...
1
vote
1answer
69 views

SSD dedicated to swap-only fails on Debian or Ubuntu

It did not happen to me yet, but if I dedicate a single SSD (non-RAID) to swap-ONLY and the server system is using it to full capacity - what happens next? How am I to recover, assuming I have an ...
1
vote
2answers
1k views

Debian Wheezy rebooting instead of powering off

I'm having a weird issue with my Debian Wheezy desktop. When I try to shutdown the system (either from Gnome or from the command line with shutdown -h now) the computer automatically reboots. The ...
1
vote
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 ...
2
votes
0answers
71 views

Server shutdown suddenly [closed]

One of our production server shutdown suddenly for unknown reason. I've checked the logs and found this: init: tty (/dev/tty5) main process (2399) killed by TERM signal Dec 7 12:02:32 rh ...
4
votes
1answer
89 views

How to get system to shutdown when Xorg is quit?

I installed nodm, so that Debian starts Xorg and a window manager immediately after booting, without requesting any password and without a login. How can I similarly setup Debian to shutdown the ...
4
votes
1answer
224 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 ...
1
vote
1answer
247 views

what is oldroot?

When I shutdown my laptop there are some messages like unmounting oldroot/* They came after a kernel-update, just curious what this means and if I need "oldroot"
9
votes
4answers
12k 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
votes
1answer
55 views

Right way of running a root task/program at background

I'm writing a program that needs to run at the background as root. (for any user) To do this I used the /etc/rc.local file. And it seems to work. The problem that I am experiencing is, when a ...
2
votes
0answers
114 views

Properly power down SSD during shutdown

I recently got a Samsung SSD. I have debian wheezy installed on it. I carry it around in a USB enclosure and boot both my work and home computers from it. How can I ensure that the system properly ...
6
votes
5answers
1k views

Can you make a linux system halt and boot my Raspberry-pi at certain times?

How to make a system turn itself off and back on at different times. For example I would have my "server" turn off at 4 A.M then turn back on at 5 A.M every day. Is this possible? I am using a ...
2
votes
1answer
64 views

Shutdown script seems to be executed twice

I have a small backup bash script that I wrote for my computer at work. I have copied the script into /etc/rc0.d/ and called it K01backup so it is executed before anything else upon shutdown. It backs ...
39
votes
4answers
60k 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?
0
votes
1answer
51 views

Shutdown so fast on iMac

I'm using Ubuntu 14.04 on iMac 27 in dual boot with OSX via rEFInd. It works nice but when I click to shutdown the Ubuntu it is so quickly and the screen becomes black in 1 or 2 seconds. So I can ...
5
votes
1answer
2k views

Debian won't shut down completely

My Debian wheezy (64-bit) won't fully shut down. What I mean by this is that when I select "Shut Down..." from the menu the screen goes blank but the power button remains lit and front fan keeps ...
1
vote
1answer
78 views

Why does my script does not run in runlevel 0?

I made a script with following LSB header #! /bin/sh ### BEGIN INIT INFO # Provides: updateservice # Required-Start: $local_fs $time $network $named $syslog # Required-Stop: $local_fs ...
2
votes
2answers
672 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 ...
0
votes
0answers
233 views

system won't poweroff, restarts with :“Synchronizing SCSI cache”

Running Debian testing, after a system upgrade a while back my machine started to refuse to power down. It hangs with: Synchronizing SCSI cache Waits a few seconds, and then reboots itself. It ...
1
vote
1answer
49 views

On shutdown, do un-mounting drives happen before shutdown signal handling?

So based on my understanding of the Unix/Linux shutdown process (which is highly limited I admit), I think at some point these steps happen: 1. mounted drives get unmounted 2. a termination signal ...
0
votes
1answer
92 views

how to reboot multiple computer using bash loop from the txt file

can anyone knows how to reboot computer in just one line code of bash (by looping itself). The details will be get from the text file which are the IP Address of each computer. When the script gets ...
11
votes
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 ...
2
votes
1answer
124 views

shutdown program doesn't terminate after scheduling a shutdown

I'm having a bit of trouble with my home server (running Debian 7.7). When trying to schedule a shutdown, the following occurs: serverbox:~ $ sudo shutdown -h +10 Broadcast message from ...
13
votes
3answers
8k views

Is it possible to stop a shutdown command?

Assuming you've just entered the command shutdown -h now (or something equivalent), is there realistically anything you can do (if you're quick enough) to prevent the machine shutting down?
3
votes
0answers
64 views

Bad/strange USB device issue: failed to shutdown/restart

On a fresh Arch Linux installation with Intel i7 processor and an Nvidia graphics card, I noticed during boot log messages related to a usb device filled the screen before it reached the graphical ...
18
votes
4answers
2k views

Is there a fastest way to shutdown the system?

Or is shutdown -h now the fastest it can get? I look for some syscall or similar that will allow to skip lots of the stuff done prior to shutdown (in particular to care about the running proccesses). ...
4
votes
5answers
2k views

How to disable shutdown so that an important process cannot be interrupted?

What is the simplest way to disable or temporarily suspend reboot/shutdown when an important process is running? The process takes too long to finish and cannot be paused/resumed so I like to avoid ...
16
votes
3answers
2k 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 ...
2
votes
1answer
67 views

linux systemd intercept shutdown if service is active

I've created a little update/upgrade program for my arch-based linux. Instead of using a cronjob I'm using systemd and created following files: in /etc/systemd/system: uupgrades.target & ...
3
votes
1answer
390 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 ...
1
vote
0answers
88 views

How do you prevent a DHCP release during shutdown?

I am currently using Ubuntu 14.04, but expect this to be applicable for different distros. I would like to prevent a DHCP release during shutdown, and opt for either the lease to expire or for a DHCP ...
1
vote
0answers
270 views

RTC is not saving time after hwclock

So I'm having quite a bit of trouble trying to get my system to set the hardware clock's time. Here is what I did just now, everything has worked, right? The first and last command seem to indicate ...
8
votes
2answers
8k 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?