Questions related to restarting Ubuntu machines.

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5
votes
5answers
7k views

Execute command before shutdown/reboot

I have a machine running a couple of vagrant VM. The problem I have is that sometimes I forget to shutdown those VM before I shutdown or reboot my machine. Because of that my machine get stuck with ...
2
votes
1answer
562 views

Ubuntu 13.10 Can't shutdown

I recently installed Ubuntu 13.10 on my Lenovo Thinkpad S431, but it can't shutdown. Any kind of shutdown only restarts the laptop. I've tried all sorts of things from re-installing Ubuntu to shutting ...
4
votes
3answers
975 views

How to reset administrative password without the use of a “p” key.

So I do not know my administrative password. I read up on how to reset it by clicking left shift after the BIOS page upon start up. going to the recovery option, then root, then doing mount -o rw, ...
0
votes
1answer
433 views

unsuccessful mounting of external memory - cannot access files

At work there is an Ubuntu 12.04 server with 2 internal hard drives (1.0TB and 2.0TB), 2 external hard drives (2.0TB and 4.0TB), and a 32GB USB memory that is used as swap. It's kind of a complicated ...
0
votes
0answers
30 views

How to update an Ubuntu server without having to reboot? [duplicate]

I am running a website using Ubuntu server 12.04. How can I update my server avoiding a reboot (after the updates)? I did apt-get update and then apt-get upgrade; but then it asks to reboot each ...
1
vote
1answer
320 views

How to create keyboard shortcut in Ubuntu 12.04 for reboot/shutdown that can be executed by even non-root users

I wish to create a shortcut key for reboot/shutdownfor all the users (including non-root users). I have tried creating a custom shortcut key Ctrl+R and assigned it to the command “gksu reboot” ...
2
votes
2answers
57 views

How can I tell what processes are running at shutdown?

I'm having a problem where it takes ages to shutdown or reboot my computer. Shutdown -h puts it down right away, but otherwise it takes about 5 minutes to shutdown. Booting up is very quick. How can ...
1
vote
2answers
196 views

Script that will reboot PC on specific GPU temp

Recently I've started mining litecoins. My miner consists of 3 Radeon R9 290x GPUs. From time to time one of them (not a specific one, it happens randomly) stops mining. Usually restarting cgminer ...
9
votes
3answers
39k views

Reboot a Server from Command Line?

How do I reboot a Ubuntu Server from the command line? sudo reboot now never seems to work for me. Because its a server, I don't have a window manager installed, so I can't do it from a GUI (which ...
-1
votes
1answer
31 views

boot shows failing processes after upgrading packages and rebooting [closed]

I am really new to this, so if I did something wrong that is obvious to you, please just let me know because I have no idea what is happening. When I installed ubuntu 13.10, I went through all the set ...
0
votes
1answer
359 views

How can I remote control Ubuntu from a Mac?

So I am going out of town for a month and want to be able to control my Ubuntu from my MacBook Pro since it will be mining litecoins and I want to be able to make sure it starts up/works correctly if ...
1
vote
1answer
736 views

Mysterious Ubuntu restart (with logs)

My Ubuntu 13.10 was running a simulation that should last for days, but it for some reason rebooted automatically. The log said: Dec 17 10:24:26 phz225 cron[1078]: (CRON) INFO (Running @reboot jobs) ...
0
votes
0answers
132 views

Change file system state in recovery mode [duplicate]

Sorry for the format, but im trying to do this on my smartphone since my ubuntu is down lol. I am trying to run the command sudo apt-get purge nvidia-current in the root shell prompt but I am getting ...
1
vote
1answer
519 views

How to make v4l2ucp's “Exposure, Auto Priority” persistent on reboot?

My laptop's webcam has the common too dark issue, and what fixes it is using v4l2ucp and activating "Exposure, Auto Priority". The problem is, the setting reverts after every reboot. Any way to make ...
0
votes
1answer
105 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 ...
0
votes
1answer
588 views

Wallpaper won't stay

I'm a new Lubuntu user (LXLE to be precise). I want to know why doesn't my wallpaper stay after a reboot? Any help is appreciated.
0
votes
1answer
40 views

how to reboot from failed installation

I just tried to instal ubuntu 13.10 on my old laptop. I started the installation using a DVD. I do not know why, but the installation bugged during the login (just after asking for email adress, ...
2
votes
0answers
269 views

13.10 mouse and keyboard slow to start after reboot

After a reboot which I do because of other issues, the mouse and keyboard drivers are slow to load up to two minutes after wireless is established. This started after upgrading from 13.04 to 13.10 ...
1
vote
1answer
178 views

Can`t reboot sometimes (Ubuntu 13.10, AMD driver 13.10)

When I shut down my notebook (Asus u38dt)- after Ubuntu logo the notebook freezes with black screen, power is still on and no reaction on any button (even no result with REISUB). The only way is to ...
0
votes
1answer
59 views

Hotkey to start sync or flushing memory

I'm asking a question in a very strange manner, i'm sorry. I know what i want, but i don't know exactly how it's called. I hear somewhere that ubuntu (or linux) has hotkeys , shortcut to start ...
2
votes
1answer
364 views

13.10 on HP dc5700 sff keeps restarting after shutdown

One of my ubuntu machines, a HP dc5700 sff running 13.10, can no longer shutdown, instead the computer constantly reboots. I have tried everything I could find on this topic in the forums but ...
1
vote
1answer
302 views

Can anybody help me resolve these FWTS issues?

See the list below. I have no clue where to start. I ran firmware testsuitelive (USB). Some tests failed, which might explain the issues I'm having with my machine (constant reboot after shutdown or ...
0
votes
1answer
213 views

Ubuntu 13.10 won't reboot after stalled upgrade

While upgrading to 13.10, my system froze and required a hard reboot. After rebooting, it appears that 13.10 did actually install, but I cannot reboot. System freezes on the purple ubuntu screen. This ...
0
votes
1answer
5k views

Can't shut down or restart after 13.10 upgrade [duplicate]

I have just upgraded to Ubuntu 13.10, and when I try to shut down the system, by using the up-right button of the screen, nothing happens. I have to switch off the computer manualy. Can anyone help ...
0
votes
1answer
308 views

how to automatically reset ubuntu after rebooting computer

I am working in a university and we are using ubuntu for all the computers. We are "updating" our students computers. What we would like to do is to reset our computers everytime after we reboot the ...
1
vote
1answer
100 views

Why am I shown the Setup Screen (Choose Language) after every reboot?

I get the setup screen where it asks me to choose language after I reboot the Ubuntu server. It happens after every reboot. How could I git rid of it?
4
votes
3answers
1k views

PC restarts after a few seconds when performing shutdown or suspend

After a shutdown or suspend, the machine appears to completely shutdown (all fans stop and are quiet), after a few seconds, everything is powered up again by itself. Despite the many offered ...
1
vote
0answers
42 views

Quad screen unmirroring causes Ubuntu to crash [closed]

I installed Ubuntu 13.04 on my Optiplex 970 box. I have four monitors, two on the motherboard video and two on a plugin video card. When Ubuntu comes up, I see the screen mirrored on the two ...
3
votes
1answer
245 views

Segmentation fault on reboot Ubuntu 12.04

I have an Ubuntu 12.04 Server image running on a VMWare VM. I am getting a Segmentation Fault when rebooting the system. I am unable to figure out what the problem might be. Here is a screenshot:
2
votes
1answer
406 views

How to find root cause which results in my ubuntu 12.04 suddenly reboot frequently while I using make to compile?

When I was using make to compile my source code, the ubuntu reboot suddenly, after reboot and re-compile for a while, the ubuntu reboot again, this problem frequently occurred these two days, and I ...
2
votes
1answer
551 views

Keyboard layout keeps allways falling back to default after reboot - how to change?

I have Chromebook Acer C7 and i like it. It's fast etc. To install *buntu linux on it i did use Crouton. It's a program who install *buntu on ChromeOS without erace the orginal system. Anyway! I ...
3
votes
2answers
65 views

I can't get it to replace windows 8!

I have a windows 8 installed laptop, and have installed ubuntu, but when I reboot my system, I am given a choice to choose Ubuntu or windows 8, when I choose Ubuntu, the screen loads up and then ...
0
votes
1answer
93 views

ubuntu wont run because windows cant load after i reboot my computer [duplicate]

i recently downloaded ubuntu and after installing it and rebooting it the computer tells me windows failed to laod components have been erased or missing and insert your installation disk and press ...
0
votes
1answer
628 views

reboot stuck on “[1534.028775] Restarting system”

I just did a fresh install of 13.04, after hearing great comments from people. The experience was great overall, but the only problem I have is that while rebooting, a black terminal-styled reboot ...
1
vote
1answer
178 views

Ubuntu doesn't restart, but logs-out when restart button is pressed

The issues I am having with my Ubuntu is that when I am going for a restart, from the tray icon - Shutdown-->restart, it doesn't restart, but actually just logs out and gives me the ubuntu login ...
1
vote
2answers
2k views

13.04 reboot from terminal

when I try to reboot my system from the terminal it down't work. I type sync sudo reboot now and this is supposed to write the cache to disk, the n reboot. Instead it closes my Xwindows, and ...
0
votes
1answer
69 views

machine goes to DHCP after reboot

Our server if rebooted goes to DHCP even if we have provided static IP to the server. What all changes needs to be done so that even machine reboots it will boot with static IP. Pl. help.
1
vote
1answer
383 views

Skip rc.local while booting

I'm running ubuntu-10.04.2-server, accidentally somebody put command "reboot" on rc.local, so when i started ubuntu it always restarting, can i force ubuntu to not load rc.local? thank you
9
votes
3answers
10k views

How do I configure Ubuntu to reboot every day at a given time?

Using the terminal or a bash file, how can I configure Ubuntu to reboot every day at (say for instance) 3 AM? In other words, I want to schedule an automatic reboot through the terminal. I haven't ...
1
vote
0answers
48 views

Xubuntu 13.04 CCC requires reboot?

CCC requires a reboot every time i enable or disable a screen. since i do it at least 8 times a day, this isn't acceptable for me. How do i get around this issue?! I'm running the official AMD ...
1
vote
4answers
895 views

How to get Ubuntu to stop heating up so much

I already have another post on how to control the fans, but I was wondering if I am doing anything to cause this. Ubuntu is running great at the beginning but after about twenty minutes of running ...
0
votes
1answer
913 views

what should i do if ubuntu 13.04 needs to reboot to fully install but won't?

i currently have a mac os x 10.7.5 and used VirtualBoxVM to install ubuntu 13.04. i went through the whole process and the os is created, but the only problem is it needs to reboot but it stays stuck ...
1
vote
1answer
225 views

Reboot from terminal waiting running apps to quit

Sometimes (~once in a month), my Ubuntu won't wake up from sleep correctly (it just shows black screen instead of asking for password). In these situations I go to first terminal (Ctrl+Alt+F1) and do ...
2
votes
0answers
2k views

How to check if everything is ok with Unity3D in Ubuntu 12.04 LTS?

Please read the full post and then judge me. As suggested, to setup Unity3D mode I at first checked /usr/lib/nux/unity_support_test -p and Unity 3D support came positive. OpenGL vendor string: ...
0
votes
1answer
783 views

Stuck on purple loading screen

I just downloaded Ubuntu 13.04 today. It was running slow, so I tried the Enlightenment E17 Desktop. I didn't like it and was getting an error message when trying to use the software manager, so I was ...
0
votes
1answer
791 views

Is it normal for Ubuntu to take a long time to shut down after running the boot-repair program?

Several months ago, I installed Lubuntu alongside Windows 7 on my laptop. I decided to uninstall Lubuntu and install Linux Mint, and so I used EasyBCD to write the MBR for Windows 7/Windows Vista and ...
2
votes
1answer
153 views

Reboot ubuntu without a complete hardware reboot

I would like to reboot the OS as if it is pulled up from GRUB, but without actually rebooting the entire computer. This is because this machine has a bunch of different OSes on it and while a reboot ...
0
votes
1answer
393 views

My computer will not reboot after fresh install of ubuntu 12.04LTS

I bought a new computer yesterday and it came with Windows 8. When installing Ubuntu, i choose the erase and install option thinking that Ubuntu would install easily like it did for my old laptop... ...
0
votes
1answer
183 views

Computer locks up on “last screen” when restarting/shutting down Ubuntu 12.04

Every time I restart or shut down my new installation of Ubuntu 12.04, I get to a black screen and the computer just hangs there forever. The only way to get past that is through the physical ...
1
vote
0answers
234 views

Ubuntu will not restart fully

I just installed Ubuntu 13.04 on one of my hard drives: /dev/sdc I created a swap area partition (2 gigs) and two 250 gig partitions for root and /home respectively. Installation went flawlessly but ...