For questions regarding shutting down and powering off.

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Wake-on-lan successful if shut down by Windows 7, not Ubuntu 14.04

I have a computer with dual OS Ubuntu 14.04 and Windows 7. I can wake my computer up using WOL if I shut it down using Windows 7, so I am quite sure there is no hardware support issue. I have also ...
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3 views

Random shutdowns related to UPS

I'm using 15.04 with a CyberPower CST1300ALU UPS, connected by USB, and after a brief power failure, the computer will shut down after what looks like a USB disconnect. Can anyone help me figure out ...
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1answer
18 views

Admin Account Missing after 'shutdown now' Exit

So, I have been learning PostgreSQL and messing around with creating DB's, users, and switching between both with Konsole. Last night, I shut down the computer with the command 'shutdown now'. After a ...
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12 views

Ubuntu logo flickering on shut down - Ubuntu 15.04 XPS 13

I have a laptop with a QHD+ screen (XPS 13 2015 9343) with Ubuntu 15.04 and kernel 4.1.3. When I shut down the Ubuntu logo go to the top of the screen, the left of the screen then back to center. I ...
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10 views

Shutdown problem after installing Cairo-Dock

I installed Cairo-dock in Ubuntu 14.04. After installing Cairo-dock, Ubuntu native shutdown option is not working. It is only works in Cairo-dock's shutdown option.
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1answer
18 views

ubuntu 14.04 wireless disconnects after rebooting until router is switched off and on

I recently installed ubuntu 14.04 LTS along side Win8.1 on my new laptop. Wireless connection worked well for a day and then it started disconnecting whenever I downloaded something or restarted/shut ...
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9 views

Timekpr preventing shutdown

Recently Timekpr, a parental time restriction program has been installed on my computer. While i can shutdown while logged in, when i try to shutdown from the login screen after being kicked out, ...
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0answers
10 views

Can i still force shut down if i set HandlePowerKey=ignore in logind.conf?

I have xubuntu (-ish) on an Acer c720. The power key is right next to the backspace button and it forces the laptop to shut down when pressed. this causes very frustrating accidents. I have seen good ...
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6 views

What is DM device?

A message could be seen when system shuts down, which is "Failure-finalizing DM device." What is DM device and how can I solve the problem? HELLOVENUS, Fantagio
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2answers
32 views

Ubuntu 12.04 and SSH: Automatically shutting down another computer when powering off

I want to shut down another computer in my network when shutting down my own. For that I have created a script that logs into that machine through ssh and powers it off. (SSH keys are set up, so no ...
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1answer
29 views

XPS 13, 2015 model, Ubuntu logo Issue on shut down

Sometimes, during shut down, the Ubuntu logo moves all over the screen very rapidly. I have solved it, and I am posting about it in the event that other people have this problem in the future. open ...
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0answers
44 views

Reboot/Shutdown freeze on ubuntu logo

I have Intel Nuc DN2820FYKH (Celeron N2830, Intel HD, BT, Wi-Fi) with Ubuntu 15.04 fresh install (ran upgrade system after install). All Peripherals removed except USB keyboard. Bios set to non-UEFI ...
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21 views

make boot sequence truly silent (Ubuntu 14.04)

So, on Ubuntu 14.04 using generic kernel, even though kernel parameters include "silent" option, on most boots the open source brcmsmac driver spews log data that makes boot sequence exit the splash ...
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0answers
32 views

What is that running in background on shutdown? (Should I worry)

I apologize for the poor quality of the image, but text displayed happens so fast I needed to record it, then find the frame in order to read it. Is this normal behavior for Ubuntu 14.10? Can ...
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0answers
14 views

How do I fix Ubuntu 14.04 LTS to work properly with UEFI BIOS Power Management (PME)?

Good morning. I have an ASUS motherboard: F2A55-M v1.02 and it is running the most recent BIOS from the manufacturer: 6603. I use the computer as a media server and want to be able to remotely wake ...
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0answers
29 views

Ubuntu 14.04 freezes when I click Logout or Shudown

In both cases it looks the same: the taskbar/unity is gone and the apps stay on the screen as they were but frozen. What can be causing it?
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1answer
37 views

Run a script on shutdown and not on reboot [duplicate]

I'm executing a script on Ubuntu 14.04.1 LTS when the server is stopping But I would like to execute it only on shutdown behavior, not whendoing a reboot. I tried to get the value with $1but for ...
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0answers
47 views

Ubuntu 15.04 can't shutdown — How to find a way to get a shutdown log

I think all is in the title actually, I just need a way to get a shutdown log to understand what can block it. I don't know if the problem comes from Ubuntu itself or Grub though, as my computer ...
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29 views

14.04-15.04 Randomly shutdown/restart

As it says, Ubuntu randomly shuts down at times. Common occurrences that involve these shutdowns include... Playing games Streaming video with tabs in background Playing movies in VLC Specs of my ...
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0answers
15 views

15.04 on laptop

I have 15.04 installed in a laptop. From regular and normal operation machine just shutdown without any warning and/or notification. I ve checked syslog but havent been able to find root cause. Can ...
2
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1answer
30 views

System shutdown/reboot through arduino?

I am wondering if there is a way to write arduino code to ask Ubuntu to shutdown/reboot over serial communication. Basically, I want to use a Bluetooth sensor connected to an arduino, to be able to ...
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0answers
13 views

Shutting down and hardware error

After I'm trying to do: # shutdown -P now System is shutting down, but instead of power off I got this kind of message (screenshot): Hardware Error: System Fatal error Hardware Error: CPU:0 ...
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27 views

works fine but when restarted or shut down it is impossible to open again and after many times it starts again

i donot know anything about ubuntu and installed it from a bootable usb and installed ubuntu 14.04LTS and worked fine. but when i shut it doww and started again it came with 3 options at start page ...
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3answers
68 views

Computer won't restart or shut down

I have purchased a new laptop (HP Pavilion 11-n040ca x360; see here). At first I installed Ubuntu 14.04 on it, but after the installation finished the computer refused to shutdown. I manually closed ...
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43 views

Ubuntu 15.04 logout delays long time

I've just upgraded Ubuntu 14.04 to 15.04 but now it has a problem when I logout. My computer delays (or freezes I don't know how to say) about one minute or more then logout. In the first shutdown or ...
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1answer
24 views

How to halt system via script with no user input?

My system runs headless, starts when power is applied, and at the end of the boot automatically starts some software through a .conf file in /etc/init. This starts the script that starts the ...
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2answers
58 views

How to shutdown computer with ubuntu from a program? [on hold]

How can I add a 'shutdown option' to my program? Or how can I send commands to terminal from my program (so I can send a sudo shutdown command) ? Planning to write in c++.
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1answer
27 views

Automatically shutdown when switching to battery

I'm recently made my old laptop into a server using Ubuntu Desktop 15.04. But because my laptop has an almost dead battery I want Ubuntu to save all data that it's on (or at least close the running ...
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0answers
37 views

Computer will not power down

Running Ubuntu 15.04. When I choose to shut off the system, the computer kills all processes and attempts? to power down, but does not actually cut power. So the splash screen stays up. I pressed esc ...
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0answers
37 views

Remove ATI drivers Ubuntu 15.04

How can I remove ATI drivers? I have disabled AMD GPU from BIOS and now I want to remove the drivers and to reconfigure XOrg. I have a problem and I think that is from AMD GPU. When I wake up my ...
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0answers
25 views

Hard Drive not Bootable After shutdown

I am new to Ubuntu, and have been trying many of the shell commands to get familiar. Specifically, I ran sudo shutdown 0 which initially worked as expected. However, after rebooting my laptop, I ...
2
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1answer
56 views

how to take the total working hours of the system in a day?

I need to take the total working hours of the system in a day. That means, take time between power on and shutdown and also subtract the time of system were suspend. Final output must be total working ...
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0answers
17 views

Half a PC Shut down

When I click on shutdown, the desktop environment closes e.g, the top menu bar, the panel on the side, but applications such as chrome that have been opened do not close and thus the pc doesn't ...
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1answer
27 views

Is there a command to open the shutdown GUI? [duplicate]

I know I can shutdown from commandline - without a password: What command is executed when shutdown from the graphical menu in 14.04? but I can't see how to open the shutdown GUI. Is this possible?
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1answer
21 views

Shutdown option

When I click at the top to shutdown. The popup window no longer has the shutdown or reboot option but instead only log out or lock. When I click log out nothing happens. I keep having to execute the ...
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0answers
45 views

Ubuntu 14.04 turns off after unplugging the charger

I have problem with my Ubuntu 14.04. Every time I unplug the charger, the system is shutting down. It occurs only, when the charger is unplugged from computer, but not when unplugged from the power ...
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0answers
53 views

Ubuntu 15.04 randomly shutting down when playing minecraft

I'm new to Ubuntu and my computer randomly shuts down (completely shuts down, screen goes black for a while then it turns off). So far I've only seen the problem while playing Minecraft, but I ...
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0answers
64 views

Lubuntu shutdown process freezes

I'm using Lubuntu 15.04 on a Lenovo Essential B50-30, a low-end machine. When I shut it down, after a few seconds (during which you can see the Lubuntu logo and "....") the screen just gets stuck on ...
2
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1answer
41 views

systemd: How to modify the HandlePowerKey action with a custom command?

My headless server has a power button. When the user presses it, I want the server to respond with a brief beep, then shutdown the server. The system should only beep when manually pressing the ...
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1answer
20 views

How to configure password requirement for shutdown from unity

I configured one of the PCs to act as a server. It will be used by other emloyees as well via the guest account. Obviously I don't want the PC to be shut down by any user. Also I have to shut it down ...
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0answers
43 views

Ubutnu 15.04 shutdown issue

I have Installed Ubuntu 15.04 OS. I had issue while shutting down the system it Restarts and I have to do force shutdown by pressing Power Button and hold it. I have also searched on the forum but ...
2
votes
1answer
31 views

How to try hibernation and shutdown afterward in case it failed on power button press?

I've found how to hibernate on power button press with logind: HandlePowerKey=hibernate in /etc/systemd/logind.conf But can I make it somehow execute something like # pm-hibernate || shutdown -h ...
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0answers
27 views

Laptop shuts down when opening the lid

I have installed Ubuntu 15.04 on my laptop 1 month ago, I have a HP ProBook 450 G2 with Radeon GPU. The problem is that sometimes when the laptop is on sleep and I open the lid, the laptop shuts down. ...
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0answers
27 views

Can I Install RAM Wipe Feature at shutdown/reboot of Backbox in Ubuntu 14.04

We decided to use Ubuntu 14.04 in Full Disk Encryption along with the Nuke crypt setup patch released for Kali-Linux as an extra layer of security but I would like to know that is it possible to ...
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1answer
40 views

Ubuntu 14.04, wifi connection but no Internet, no usb recognized, can't shut down or restart properly

Sometimes Ubuntu is amazing, other times it makes me want to rip my hair. So I have a laptop, hp pavillon g6 séries with Ubuntu 14.04 installed from a couple months ago, after struggling with the ...
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0answers
28 views

Ubuntu 14.04 desktop goes to sleep when issued “poweroff” command while lid closed?

My ubuntu version is 14.04 LTS. I used the following command to shutdown the system after a certain process was completed (This process takes a long time to complete, so I needed a way to ...
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1answer
40 views

Unable to Disable Power Button | Ubuntu 14.04.2 running Xfce 4.10

This is my first question here, so if I goof on a convention kindly let me know. Configuration: Ubuntu 14.04.2 with Xfce 4.10 using crouton on an Acer c720 Chromebook Issue: The default behavior ...
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3answers
136 views

Ubuntu Crashing Frequently

I am running a Ubuntu-14.04 x64 minimal. It has 64gb RAM, Hexa Core (3.2ghz) and some other stats, that are quite overpowered for my current usage (as i think). The system runs a mysql server and ...
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0answers
155 views

15.04 Shutdown/suspend and touchpad issues on Acer E3-112-C5XB

My system hangs when I try to shutdown/reboot/suspend my Acer Aspire E3-112-C5XB. I've tried this: Boot and Shutdown Issues on Aspire E 11 model E3-111-C0WA with no effect. I have Ubuntu 15.04 with ...
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0answers
95 views

Lubuntu Logout Button Doesn't Work

I just installed the Lubuntu Desktop on top of my Ubuntu 14.04 install. I can login in to any Desktop Environment from the start-up fine but once I'm in Lubuntu my Menu << Logout button does ...