the act of stopping & starting a process, or rebooting an entire PC.

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When unplugged, Ubuntu restarts in a loop

When I boot my laptop with my power cable unplugged, it will boot up to the Ubuntu loading screen with the loading icon moving, and suddenly the screen freezes and it restarts. This process goes on in ...
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1answer
28 views

How to determine why Ubuntu start to load slowly?

Recently my installation start to load visibly slowly. I am running Ubuntu 14.04 LTS which after initial install have fabulous loading time but recently the time for full loading from complete ...
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76 views

Freezes on restart and shutdown

Just installed Ubuntu 14.04, on Razer Blade 14 The system freezes as soon as I try to restart or shutdown. Tried to add 'pci' and 'acpi' and 'boot' to the grep, didn't help. Tried to reinstall, didn't ...
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47 views

Unable to restart Ubuntu 15.10

I installed Ubuntu 15.10 on my Acer E1-410 laptop. Wily Werewolf 64bit version is installed with EUFI support and SecureBoot turn on. Restart through menu is not working since the monitor only went ...
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1answer
51 views

Hibernate and restart immediately instead of powering off

After figuring out how to reboot to Windows with grub-reboot thanks to this question: How to reboot into Windows from Ubuntu?, I would like to have Ubuntu hibernate and restart into Windows instead ...
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16 views

Flashing white display after logging off

Every time I shut down or restart from Ubuntu 14.04 LTS, my entire display flashes rapidly, white and dark, for several seconds until the computer shuts down. The white screen has shadows around the ...
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1answer
75 views

Can not Restart, Shutdown, or Logout

So I have had this problem since installation, first time noticed it when it prompted me to reboot the system, and I clicked yes. Then and every time I attempt to reboot, logout, or shut down - it's ...
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28 views

Recommended to Restore Ubuntu to a Backup After a REISUB Reboot?

Some background: I'm finding that my Ubuntu 14.04 box is freezing and becomes unresponsive to any suggestion in this thread: What should I do when Ubuntu freezes? except REISUB'ing it. I also do daily ...
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54 views

Xubuntu Wifi disconnects randomely back with restart

I've been looking at topics for a while, but I can't figure anything out that's applicable for my netbook (acer aspire). I'm a newb in linux, and installed Xubuntu on a old laptop to get the most out ...
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1answer
62 views

Ubuntu Cronjob Samba Permission and restart

Is it possible in Ubuntu to create a cronjob which does give a certain file 777 permission and restarts the Samba server.
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49 views

Ubuntu 14.04 x64 doesn't Restart or Shutdown

I installed Ubuntu 14.04 x64 many times on real and virtual machines. There is one configuration I have (never changed by the user because he is only using Chrome for internet, without having a ...
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1answer
91 views

Clean, safe way to auto restart (and monitor) daemons/services

At the moment I am using init.d-scripts for starting services like TeamSpeak or MineCraft. Sometimes a server application stops because of some failure or it is auto-stopped, because of some plugin. ...
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72 views

Ubuntu 14.04 LTS screen gets Black screen after login

I upgraded ubuntu13.10 to Ubuntu14.04. After installation when I restarted and logged in I could see the desktop as usual. After 5-10 seconds the screen gets blackout (not shutdown) and returns back ...
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1answer
233 views

Tomcat 8 does not start immediately after a reboot

I have Ubuntu server 15.04 with apt-get installed Tomcat 8. After first launch it starts fine and I can see XX.XX.XX.XX:8080, "it works" page. But after service tomcat8 restart I should wait about 10 ...
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39 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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20 views

Loses Ethernet Connection Upon Restart

Usually I just leave my computer in sleep when I don't use it, but recently, say a month or so, once I wake it it loses its internet connection. I have it wired with ethernet. Even a modem restart ...
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1answer
111 views

MySQL requires restart in Terminal every time laptop is restarted. 14.04.2 LTS

I installed MySQL a few weeks ago. The problem now is that every time my laptop is restarted I also have to manually restart MySQL in terminal via: sudo service mysql restart The errors I get ...
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22 views

Why is Ubuntu not starting after I changed freedesktop.org.xml from Mime to run swf files?

So, I changed the file mentioned above and tried to update the Mime, but the update failed for some reason. And within a minute the shortcuts from left toolbar started disappearing, and all the ...
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1answer
141 views

Lubuntu No Wifi & No Reboot/Shut Down

I'm pretty new to Linux and Ubuntu. I just installed the Lubuntu on my mother's old laptop to replace XP. But after the installation I was unable to connect to wireless network. For at least a week ...
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103 views

unable to detect usb device untill restarting

I'm using Lenovo G40-70, OS-Ubuntu 14.04 64bit It is not possible to access usb devices to the laptop until it is restarted several times. Can anyone help me to fix this problem please. Below link ...
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2answers
70 views

How do I restart 14.04?

The System Menu on the right end of the top bar is supposed to have lines for me to "switch users, lock screen, log out, suspend, restart, or shutdown" my computer. But there is no line to restart ...
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85 views

Ubuntu 14.04 Shuts Down While Watching Video

I have an Ubuntu computer, and while watching video my system would just shut down. I've noticed while watching streaming video my system would shut down sooner than if I'd watch video from my ...
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25 views

Applications vanish after restart

This is actually very similar to this (Google Chrome vanished from applications launcher) but I can't comment there due to lack of "reputation". The answer there doesn't work for me. Terminal says ...
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165 views

Cannot shut down/restart without using the power button

I cannot get it to shut down/restart without clicking on the options multiple times and even then it won't without pressing the power button. System: Host: patrik-Lenovo-G50-45 Kernel: ...
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1k views

How to restart Nvidia CUDA driver without rebooting?

When a CUDA process terminates due to errors, sometimes the device context are not released properly (due to driver bugs), since the Nvidia CUDA driver supports limited number of context instances ...
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1answer
40 views

Ubuntu not shutting off [duplicate]

So I just installed Ubuntu 14.04 and it won't shut down after updating, I have to manually shut it down by holding the power key, it happens when I either try to restart it or shut it down. Anyone got ...
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49 views

ubuntu randomly restarting

I bought an Acer Aspire E15 a few weeks ago and erased windows and put on Ubuntu 14.04. My laptop is randomly restarting. If I'm watching a video, the video freezes and the audio repeats itself a few ...
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1answer
179 views

Why does my laptop freeze and restart unexpectedly on its own at random times?

I have Ubuntu 14.04, I recently had windows 8.1 which came installed with my dell inspiron 15 amd laptop. I decided I wanted ubuntu so i ran it off of a flash drive and replaced windows with it, now ...
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35 views

Intermittent problems with desktop environment in Ubuntu 14.10

I am using Ubuntu 14.10. The problem is that sometimes (maybe with 20% probability), when I turn on my PC, I face these bugs: Dummy output/no sound card detected If I lock the screen and try to ...
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105 views

Clicking Shutdown/Restart shows Log Out dialog

I am using Ubuntu 13.10 64 bit. When I click on shutdown or restart from the top right menu, the Log Out dialog is displayed. Also if I click on log out or lock button in that dialog or click on ...
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1answer
331 views

Automatically restart a crashed software [duplicate]

I am using "Docky" and it is a software prone to crashes once in a while. Is there a way to keep this software always running even after a crash? I want "Docky" to restart itself if it crashes so i ...
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395 views

Ubuntu 14.04 hangs on shutdown or reboot on Dell XPS M1330 laptop

I'm trying to fix the same type of problem reported in Ubuntu 14.04 hangs on shutdown / reboot D630 but for a Dell XPS M1330 laptop that has Ubuntu 14.10 Desktop installed on it. Reboot or shutdown ...
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207 views

Ubuntu 14.10 won't restart /shutdown after enabled hibernate

I have enabled hibernate for successfully (appear on menu ).but i can't restart or shutdown .. my screen still have loading ubuntu logo when restart or shutdown . i have 6GB for Ram and 12GB for Swap ...
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185 views

Ubuntu 14.04 on VM on Windows 8.1 won't restart!

I have installed Ubuntu 14.04 64bit on my Windows 8.1 inside a Virtual Machine (VM VirtualBox). When I restarted my ubuntu, I got the following: It freezes and nothing happens! The only warning ...
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1answer
347 views

Unable to Shutdown after updating to 14.10 from 14.04

After updating to Ubuntu 14.10 I have noticed that my Dell inspiron 7537 is unable to shutdown. When I try to shutdown with UI - It keeps restarting. When I try in terminal (i.e sudo shutdown now, ...
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2answers
300 views

How can I troubleshoot my system freezing just before restart?

Kubuntu 14.04 on a new computer. GPU is R9 280x in case it's relevant. Sometimes (not every time) when I restart in order to switch to Windows, Kubuntu seems to hang. There's a black screen. I am ...
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2answers
272 views

Nemo Randomly Makes Itself Default File Manager and Creating Desktop Shortcuts

I've installed Nemo but haven't made it default and I have nothing on my desktop. But sometimes when I boot up I see Computer, Home and Trash icons on my desktop and suddenly Nemo is the default file ...
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1answer
529 views

apache2 wont start

I had my server up and running fine until my laptop got unplugged and died while i was away. now when i try to restart apache2 using `sudo apache2 -k restart' i get this error: [Wed Aug 27 ...
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1answer
117 views

Do I remove install disk whenasked to restart

I am a new user. I am loading Ubuntu14.04LTS onto a Toshiba Tecra M5 with 3G RAM 2,16G Centrimo Nvidia Quadro NVS11om Graphic. I am installing with a DVD, so bootup set to CD-ROM to start install in ...
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1answer
334 views

ubuntu does not restart after installation

I am attempting to install Ubuntu 14.04 64-bit version on VirtualBox. When I click on Restart now button on the Installation Complete dialog box (last step in installation), the OS appears to be ...
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1answer
25 views

Upgrade restart fail

Upgrading from v13.04 to 13.10, all went well until "restart to complete"--screen did not come up for restart (Nvidia GeforceGTX650). I tried various suggestions, but now cannot get even Grub menu on ...
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11 views

How to have a process automatically restart [duplicate]

I have a simple home automation program written in Python that reads events from USB and sends commands to a server. It runs on a headless Ubuntu server. Basically, the program does a while true loop. ...
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1answer
341 views

Lenovo ThinkPad X200 Tablet restarts randomly

I have Ubuntu 12.04 installed on my Lenovo ThinkPad X200 Tablet. It restarts occasionally all of a sudden. I have taken it to a Lenovo service centre. They seem to have found no hardware faults. I did ...
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1answer
34 views

resarts when I'm working of or online using 12.04

Ubuntu 12.04! 1) Unit shuts down and restart.! 2) Mouse freezes 3) keyboard locks-up 4) Audio loops - about one haft secound (like a skipping record. If there is anyone there old enough to know what ...
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1answer
264 views

Can't log out/restart/shutdown via Top menu bar

When I click on Log Out, Restart or Shutdown nothing happens, but I can suspend computer. What's wrong? I'm using Ubuntu 13.10.
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25 views

Is it harmful not to restart immediately after an update [duplicate]

Often my Ubuntu 12.04 notifies for available updates. Sometimes it asks to restart and gear icon on top right corner for system settings becomes red. Usually I ignore the restart request while remain ...
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1answer
887 views

Ubuntu 13.10 won't shutdown/restart

I installed the 'new' Ubuntu 13.10, and it won't shutdown/restart from the menu. When pressing any of those buttons, Ubuntu will close some programs and then do nothing. The only way that I've to ...
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1answer
116 views

Just installed Ubuntu, what to do after reboot?

OK so I've been trying all day to install Ubuntu and finally succeeded, sort of. You see, when it tells me to reboot/reset my computer after installation, I do so, and upon startup, I get a screen ...
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1answer
215 views

screen keeps black in ubuntu 13.10 when it must come out of sleep mode

I'm running Ubuntu 13.10 on a completely new machine, was fresh installed. After a while, while not working on it, the screen turns black, when you try to work again, you can't exit the black screen, ...
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2answers
842 views

How do I reset my desktop computer with pre loaded Ubuntu 13.1 to first start?

I am brand new to the Ubuntu community and am already in trouble. I recently purchased a new system76 ratel performance desktop with pre-loaded Ubuntu 13.10. Upon first start of the system, no video ...