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

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180
votes
6answers
282k views

How do I change the hostname without a restart?

I want to change the OS hostname but I do not want to restart. I have edited /etc/hostname but it requires a restart to get implemented. How to avoid this?
3
votes
3answers
432 views

I need to restart from the root command line [duplicate]

I need help restarting/shutting down from the root command line, any commands I could use? I don't like hard resetting
0
votes
0answers
15 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 ...
1
vote
1answer
215 views

Cannot load grub4dos through kexec

I execute sudo kexec -l /sbin/grub.exe sudo kexec -e and get black screen with some phrases. The font is squeezed vertically and I see also one copy of the same phrases on the right. There are ...
2
votes
0answers
14 views

How to analyze abrupt session restarts?

Sometimes, my Ubuntu session abruptly restarts without a warning. Sometimes my documents are lost (for example, once my Libre Office Writer document gets lost). How can I analyze the issue?
0
votes
1answer
60 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 ...
1
vote
1answer
278 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, ...
2
votes
0answers
70 views

Can't cancel the restart/shut down dialog box in Gnome

When I click on the "Restart..." or "Shut Down..." options of the Gnome panel, a box dialog appears in order to confirm whether I really want to "Accept" or "Cancel" the process (as expected). ...
0
votes
0answers
37 views

Unable to either Restart or Shutdown my Install of Ubuntu 14.04 LTS ( No Dual Boot ) on Acer Aspire ES1-512

I am puzzled as to why my machine does not shutdown within my Ubuntu 14.04 LTS installation on my Acer (UEFI Boot Mode). I go into the whole "Shutdown" process, starts looking like it is about to ...
4
votes
2answers
7k views

can not restart samba

I installed samba sudo apt-get install samba. then I made configuration but when i write : sudo /etc/init.d/samba restart message appears " command not found " and when I write ls /etc/init.d I ...
0
votes
2answers
57 views

Shutdown command from UI restarts system in Ubuntu 14.04

I have Ubuntu 14.04.2 installed on Lenovo Flex 2 laptop. My problem is that whenever I select shutdown from the menu, the laptop restarts instead of completely shutting down. Any idea why this might ...
0
votes
0answers
16 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 ...
0
votes
0answers
34 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 ...
3
votes
2answers
1k views

Why does my laptop restart instead of waking up after resuming from suspend?

My laptop is a Vaio VPCF11M1E, running Ubuntu 10.10 64-bit. After being suspended, I press the power button to wake it up, but it restarts the machine and I lose all my work. I do not have the same ...
4
votes
1answer
144 views

How to restart colord

A tiff security update came out today for 12.04 and colord is still running with the older shared library # lsof -n | grep DEL | grep /lib colord 3454 colord DEL REG ...
1
vote
2answers
321 views

Ubuntu 14.04 keeps restarting the PC

When using Ubuntu 14.04, my PC doesn't shutdown. When I try to turn it off, it performs the procedure, the led goes out. Soon after it (re)start again. That doesn't happen with Fedora 20 and ...
0
votes
1answer
37 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 ...
0
votes
0answers
107 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 ...
0
votes
0answers
101 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 ...
0
votes
0answers
64 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 ...
0
votes
1answer
84 views

I can't install Ubuntu 14.04.1 LTS alongside windows 7 system restarts

I can't install Ubuntu 14.04.1 LTS because system restarts as I choose to install alongside windows 7 and press continue till then everything goes fine. I tried many times but I didn't get success. ...
3
votes
2answers
6k views

Is it necessary to reboot after changing group membership?

I would like to know, why it is required to reboot, to apply the changes, which I made. I refer to the use of adduser username sudo I use Ubuntu 12.04.1 LTS "Server".
31
votes
7answers
77k views

How do I restart an Unity session from the terminal?

The command for restarting Gnome2 is: sudo /etc/init.d/gdm restart What is the equivalent for Unity?
0
votes
0answers
14 views

How to diagnose computer restarting when brasero or xfburn finish burning iso to cd?

My computer restarts suddenly when burning iso's (whatever the plural of iso is). I tried three different isos, just because I'm paranoid and was burning rootkit tools to check a windows machine, and ...
2
votes
4answers
1k views

“PXE-E61: Media test failure” installation boot problem with Ubuntu

For the first time in my Life I am installing an OS. I installed it properly using a USB. After the installation, it asked to restart. On restarting, two things are happening: I restart with the ...
5
votes
1answer
5k views

What is ubuntu 14.04 doing while showing “stopping early crypto disks”?

I created a virtual machine to install ubuntu 14.04 on VirtualBox 4.2.12.*. I created virtual CD to install it with fixed-size virtual disk of 200GB. After successful installation, it restarted as ...
0
votes
0answers
103 views

How can I restrict a user to specific command?

I will restrict my user chipi to only one executable command. I will allow him only to use ./ftprestart.sh: $ cat ftprestart.sh sudo service proftpd restart How can i do this? I searched a lot ...
4
votes
0answers
328 views

Xubuntu Restarts Automatically after Shutdown

I recently installed Xubuntu 14.04 on a Dell Workstation. Whenever I shutdown, two things happen. Either it shuts down and automatically restarts, or it hangs at shutdown with a black screen. ...
0
votes
0answers
112 views

Ubuntu 14.10 Restarting Randomly

I just installed Ubuntu 14.10 on my external HD and everything works just fine (I haven't made any changes to the system files yet), but after a little while (I don't know how long, sometimes it's 15 ...
2
votes
1answer
115 views

Ubuntu Shuts Down on Restart (v 14.04.1)

I have recently installed Ubuntu 14.04.1 on my laptop and I am not able to restart it. Every time I press the restart button, the system logs me off as usual, then the ubuntu loading screen appears ...
6
votes
2answers
150 views

Always Restart when Clicking Shut Down Button

When I shutdown the computer (Ubuntu 14.04), it always retart. Sometime when I press shutdown in the menu, the computer does not show me the mini window for the shutdown button. How to fix it? Thank ...
0
votes
1answer
66 views

Wi-fi doesn't work without reinstalling after every restart - please help me - 14.04

Wi-fi doesn't work without reinstalling after every restart - please help me I'm using Ubuntu 14.04 and bcmwl driver on Dell Inspiron 15 3521 02:00.0 Network controller [0280]: Broadcom Corporation ...
0
votes
0answers
418 views

Ubuntu 14.10 does not power off after shutdown

I'm running Ubuntu 14.10 on my Dell Inspiron 15z (5523) which until last week was running normally. Now after selecting to shutdown or restart it does not continue -eventually some output (as per ...
0
votes
0answers
27 views

how to deactivate restart button on case

I have my little boy who likes to press both the power and the reset buttons on the case throwing away everything I am doing on my computer. I managed to configure the power button to have no effect ...
0
votes
1answer
152 views

start on emit is not working on upstart

I am working to restart service if stopped. I was looking for upstart, to restart service. I found some answers. I took apache2 service for testing. I changed code as below. # File : ...
1
vote
0answers
197 views

Laptop “pop” loud noise on shutdown/restart

Every single time I turn off Ubuntu or restarts it, my speakers make two loud "pop" noises, I'm pretty sure it comes from the speakers and they are very loud and I don't think they are healthy at all ...
0
votes
0answers
124 views

Acer Travelmate 2420 doesn't restart/shut down

Yesterday I install Lubuntu on an Acer Travelmate 2420. The systems it's good but it impossible to shut down or restart the pc. I tried all the online guide but the problem it's the same. The ...
0
votes
1answer
375 views

Run commands on system shutdown/reboot/logout [duplicate]

I would like to run certain aliases and simple commands when system shuts down or reboots or when I simply log out of system. This would help a lot as I usually forget about shutting down vagrant ( ...
0
votes
0answers
104 views

Slow shutdown laptop Ubuntu 14.04

I have an ASUS K53TA-BBR6. The shutdown speed used to be normal when I was running Ubuntu 12.04, but after I upgraded to 14.04 (clean install; removed the entire old partition first) the shutdown and ...
0
votes
2answers
151 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 ...
3
votes
3answers
2k views

Lubuntu: neither shut-down nor restart works [closed]

aI have a freshly installed Lubuntu 14.04.1 (installed with forcepae option on a laptop with Pentium M processor). The only problem that I have found so far is that I cannot shut-down or restart the ...
0
votes
1answer
516 views

why is cgconfig.conf not being read on reboot on 14.04?

I recenty upgraded a release from 12.04 to 14.04, and found out that my cgconfig.conf file is not being read anymore on startup. The file appears to be correct, in the sense that I can explicitly ...
8
votes
1answer
453 views

Why does Ubuntu 14.04 keep shutting down when playing video?

I'm reasonably tech savvy but very new to Ubuntu and I'm having a problem when watching video. I can watch something for 15 minutes or so whether it be flash based or MP4 or something then Ubuntu ...
0
votes
0answers
53 views

Additional HD not recognized after turn on again

I put only the OS and programs in one drive. All the staff and archives goes in a different HD, when I try to work with those files after turning the machine on the next day they are not linked ...
1
vote
0answers
49 views

after ubuntu-tweak, restart, the ubuntu was in tty1 login mode

When in 12.04, if I run Ubuntu-Tweak -> Janitor tab, check all boxes click Clean, after re-start ... my Ubuntu will in tty1 mode. So I run what is instructed in ...
1
vote
1answer
146 views

How do I set my computer to restart on crash?

I have a computer that occasionally crashes. I am using Teamviewer to access it remotely, but I obviously lose access when it crashes. Is it possible to switch the default behaviour from shutting ...
2
votes
0answers
52 views

Xubuntu - application state being unintentionally restored on restart/shutdown

I'm running Xubuntu 14.04 with updates done today. After the update finished it asked to restart to finish the update, so I did. Once the system booted back again, I've noticed that all the ...
1
vote
1answer
1k views

Problem on installing Ubuntu 13.04 using VM VirtualBox Manager after clicking RESTART/Windows 8 Intel i7

Here is my problem: Trying to install Ubuntu 13.04 to use it as VM on Windows 8 Intel i7(not sure if that makes any difference). I use the most recent version of Oracle VM VirtualBox Manager. ...
1
vote
1answer
1k views

How can I reload dhclient without restarting network?

I am using ubuntu 14.04 on ec2 instance, I am changing dhcp settings as part of the provisioning process, and I cant find a way to reload the dhclient. Infact, theres no way to restart network on ...
0
votes
0answers
51 views

internet problem

I have recently installed ubuntu 14.04. Whenever I switch on the computer it does not recognizes the wired connection and only after I restart the computer, the wired Internet connection is detected. ...