Questions related to restarting Ubuntu machines.

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1answer
23 views

Unable to boot Ubuntu 14.04 suddenly

I was doing a lot of system installs such as GL, cmake etc. I finished installing and I am unable to reboot Ubuntu 14.04 LTS. I ran the hardware diagnostics and no errors were found. It starts and you ...
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0answers
35 views

Computer doesn't shut down or restart after installing tlp!

I have installed tlp using the following commands sudo apt-get install tlp tlp-rdw and sudo apt-get install tp-smapi-dkms acpi-call-dkms in ubuntu 14.04. But after that , I can't shutdown or restart ...
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0answers
10 views

nomodeset not working after shutdown or soft reboot on Lubuntu 16.04/16.04.1

I had to edit the GRUB configuration file to default to use nomodeset, but I have found that this option doesn't seem to get used unless the system was hard rebooted (presumably because this forces ...
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0answers
12 views

How to boot into busybox?

When Ubuntu finds a file system corruption, it just reboot and then run busybox. Is there a way to start busybox without having to a corrupted file system?
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0answers
67 views

ubuntu 16.04 won't shutdown : Reached target Shutdown[ok] also ubuntu 14.04 won't shut down : killing all procces [fail]

I had ubuntu 14.04 (DELL laptop INSPIRON N-4110 ) shutdown and reboot worked correctly and without any problem but after a long time I wasn't able to reboot or shutdown my machine. and that was the ...
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0answers
39 views

Kubuntu 16.04 - Reboots instead of shutdown on Acer Aspire E 15

I have had this issue for a while, and have been looking up answers for days, but nothing has been working. I tried editing grub while with acpi=noirq and acpi=off (added behind quiet splash on one ...
0
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1answer
133 views

Ubuntu 16.04 server on ODROID XU4 - hangs on shutdown/restart

I have a ODROID XU4 single board computer, running Ubuntu server 16.04LTS. On the last days, a strange problem appeared. When I shutdown or reboot the system (within root) the system hangs. When I ...
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0answers
124 views

How to fix shutdown/reboot problem on Ubuntu 16.04 server edition?

has anyone experienced shutdown/reboot issues? I tried shutting down/rebooting but I get the message like "Cannot reached shutdown.target/reboot.target" I looked at /var/log/syslog and nothing shows ...
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1answer
29 views

Is having init 6 function without sudo normal or an oversight?

Since I've been manually updating Ubuntu MATE 16.04 using apt update, upgrade I also manually reboot using this command sudo init 6 Once I forgot sudo and it worked; further testing proved that ...
0
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1answer
22 views

Restarting Ubuntu causes grub to open

I have Ubuntu 14 LTS updated. After updating, I need to restart/reboot, I did it and it was shown the grub2 menu. I choose Ubuntu. But I don't really know if Ubutu succeded in restarting Ubuntu ...
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0answers
17 views

Kernel update required 2 reboot. Why?

I regularly update my Trusty 3.13 kernel on Updates Manager notifications. As I do I such case, I remove the n-2 kernel just before upgrading so that my system remains with 2 kernel releases once the ...
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2answers
159 views

How to make /sbin/shutdown, /sbin/reboot etc. require sudo again in 16.04?

For whatever reason, we do no longer need to be root (or using sudo) to run /sbin/shutdown, /sbin/reboot etc. This seems to be because those executables are now symlinks to /bin/systemctl which ...
2
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1answer
60 views

My partition mounted at /home keep getting unmounted after every restart. How to stop this?

I have recently started using Ubuntu 16.04 and I made a fresh installation. Whenever I restart my computer the /dev/sda gets unmounted. As a result I can't login through the UI and I have to manually ...
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0answers
47 views

How does 16.04 mount my newly-mdadm-created RAID? (It's not in /etc/fstab)

I've created a RAID device using mdadm. It's /dev/md0 and I've successfully formatted and mounted it at /media/raid. I created an /etc/fstab entry for /dev/md0, but md0 is gone when I reboot. Upon ...
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2answers
45 views

Failed to start after nvidia-driver install

I just installed nvidia-driver via Software Manager in Ubuntu Gnome. Now I have rebooted and this is the situation: What's the best way to proceed? Uninstall nvidia-drivers via CLI?
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0answers
55 views

GNOME 16.04 Reboot after Shutdown

My PC always reboots 5 seconds after its turned off. I looked at Reboot after shutdown (Ubuntu 14.04 (also 12.04); Dell latitude E7440), but: the top rated answer didn't help since I have no power ...
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0answers
20 views

Sound output only available if powered on since startup

I use Ubuntu 16.04 LTS 64 bit, but I had the same problem with 14.04 as well. I use a Philips stereo as primary sound output device via a USB cable. If i start my computer with the stereo turned off i ...
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0answers
17 views

Incredible problem Ubuntu Server 14.10 before needed update restart

This morning my website doesn't load. So i checked my DNS and all was ok. So i try to connect with SSH to my dedicated server (kimsufi) and all still ok. I have seen there was a obligatory reboot ...
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0answers
386 views

Cannot reboot/shutdown Ubuntu 16.04

I hadn't any problem with 14.04, but 16.04 is so buggy. I can't reboot Ubuntu after installation is completed from live USB/DVD and I must press the power button. Also sudo reboot and sudo poweroff ...
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0answers
90 views

reboot fails on Dell XPS, Ubuntu 16.04

I just installed Ubuntu 16.04 on a new Dell XPS laptop, and everything is working great out of the box except that Ubuntu will not reboot or power down. Attempting to reboot from the menu in the upper ...
0
votes
1answer
36 views

Why the auto reboot not working?

Why the system is not rebooting? i have this following in the crontab under root username. uptime: 08:43:06 up 10 days, 13:28, 2 users, load average: 0,17, 0,08, 0,06 but it should be rebooting ...
0
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1answer
28 views

What happens if you never reboot after a “reboot required” and keep “dist-upgrading”?

This question runs the risk of being silly and I think I know the answer, which is "nothing" but I figured I would make extra sure anyway. I tend to upgrade my servers doing a dist-upgrade and most ...
0
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1answer
34 views

How to: automatically restart Ubuntu server every 6 months as a scheduled task?

I have a mail server in my environment and I never touched it (someone configured it for me at first) since a few days ago when everything stopped working and I was unable to receive any emails. The ...
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0answers
53 views

16.04 LTS Reboots after shutdown (Acer aspire E5-511)

Upgraded to 16.04 as a way of fixing the networking bug introduced in recent 14.04LTS update. Now when I do a Shut down my laptop bursts back into life a few seconds after completely powering down. ...
6
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1answer
176 views

Why does `reboot` and `poweroff` work without super user privileges in Ubuntu 16.04?

There already are a lot of questions about why shutdown and reboot require root privileges. There are many good answers available too. Why do we need to be root in terminal for shutdown and restart? ...
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0answers
39 views

All saved data and users are lost after reboot

I partitioned my hard drive and installed and booted Ubuntu 16.04 LTS with UNetBootin and everything worked fine. I saved a file to the desktop and when I restarted, the file and all saved settings ...
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0answers
23 views

reboot problem, though with shutdown and bootup no problem?

A small but weird problem, when I select reboot (restart) I get "no configuration file found ..." before grub ... BUT, if I shut down and startup after ... No Problems, why for goodness sake, ...
0
votes
1answer
103 views

16.04 reboots 4 seconds after shutdown completes (Acer Aspire V5-571P)

Obviously I'd like to add comments on existing threads, but as a new user with 1 rep point, that's not going to happen for a bit. Basics: Acer Aspire V5-571P, Ubuntu 16.04 has started rebooting a ...
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0answers
44 views

Kpatch in Ubuntu Proper

I noticed that there is a kpatch packages being maintained and it appears to be available for Xenial and Yakkety. Is there a plan to start releasing kernel patches as kpatch patches? Will we get Live ...
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0answers
34 views

Restarting ubuntu 14.04 after hibernating

I had switched to hibernate my Ubuntu so I could continue with my work in next boot. But I got this message as shown. [3583.45831] usb 2-1.5: firmware: fw-0a5c_21d7.hcd will not be loaded This ...
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0answers
53 views

fakeraid, don't startup after upgrade

I made up my workstation from 15.10 to 16.04, telling my colleagues I have never had any problems during my updates. The system is installed on a raid0 Intel software. Except that reboot, I just get ...
0
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1answer
194 views

Ubuntu 16.04 server random reboots

My Ubuntu server reboots itself at random times. At first I suspected automatic updates, even though that would be strange on a fresh server install. I did make sure it was disabled. I can find ...
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3answers
3k views

Ubuntu 16.04 hangs on shutdown/restart

My Ubuntu 16.04 hangs on shutdown/restart requiring me to press and hold the power key to turn the machine off... I don't know how to report this as a bug and what commands to run to show the ...
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0answers
14 views

Access to hard-drive when machine won't boot

Recently I tried to downgrade my kernel (from 3.13 to 2.6.24), and I made sure that the 2.6.24 kernel compiled and installed without any errors. I also updated the grub file to boot with the newly ...
1
vote
1answer
320 views

How do we disable control-alt-delete on Ubuntu 16.04?

In previous versions of Ubuntu server, to disable CtrlAltDel (reboot), we would edit the /etc/init/control-alt-delete.conf file and change the script to display a message telling that this function ...
1
vote
1answer
248 views

Problems with new clean Ubuntu Server 16.04 LTS

After installing Ubuntu server 16.04LTS on HP DL360 g7 have some surprising problems. I'm tring to reinstall with different images and boot media, but still have the same result. After first boot all ...
2
votes
1answer
218 views

My ubuntu 16.04 reboots by itself

I've just installed Ubuntu 16.04 on my computer and now I'm experiencing that my computer reboots every few hours by itself. What is the cause of this and how can I fix this?
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votes
3answers
497 views

Ubuntu 16 reboots seconds after shutdown

I've just updated my ubuntu 15 to ubuntu 16. Now, every time I shutdown, the computer reboots after a few seconds! I've already googled for solutions but nothing worked. My computer is a HP probook ...
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0answers
28 views

Wifi troubles after reboot

I am new to Ubuntu and I had some troubles getting my wifi to work after I installed Ubuntu. I could get my wifi to work, but after rebooting, it would not detect any networks anymore. It was ...
0
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1answer
35 views

Problem in booting my computer

While installing windows i accidentally deleted all my files and could not install windows either. Now when i am trying to restart my computer it says no boot device found. I also tried reinstall ...
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0answers
34 views

How do I stop Ubuntu from resetting everytime I reboot or load?

I recently created a USB drive to boot Ubuntu. I used the trial to get used to the OS. I then installed the full OS, and I love it. However when I shut down my computer, Ubuntu always resets to the ...
3
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0answers
263 views

Ubuntu 16.04 - Seeing my wireless card as wired [closed]

After installing Ubuntu 16.04, there is weird, intermittent behavior after random reboots. I'll boot everything up, and I won't be able to connect to WiFi. When I click on the network icon, or go into ...
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0answers
12 views

Logitech Bluetooth keyboard doesn't work with GRUB2 on boot [duplicate]

I can't use my keyboard with GRUB2 when I reboot? Is there a fix for this?
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0answers
26 views

Wired Network Disconnections - Reconnects Only After Reboot

After booting the system, the network seems OK. There is full connectivity and no sign of failure. After a random length of time (between 3 minutes to 4 hours) all connectivity is lost. I cannot ...
0
votes
1answer
43 views

How to Remove the Restart Notification (One Time)

Sometimes, when I upgrade my kernel or remove older kernels, the system nags me to reboot. I'm aware of this, and I don't want to reboot most of the time. I've notice this not only happens with the ...
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vote
1answer
62 views

boot script table modified, please contact vendor

I installed Ubuntu and took away Windows 10 from my Lenovo G-50 . Every time I click on suspend the error shows up : boot script table modified, please contact vendor. It just restarts over again ...
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vote
1answer
162 views

How to remove Windows 7 (loader) without losing data?

I've installed Ubuntu 15.10 in my laptop after removing Windows 7. Even after removing Windows 7 completely during Ubuntu installation I always get an option of Windows 7(loader) & other Ubuntu ...
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0answers
33 views

Procedure for rebooting server with Soft RAID mdadm

I've just made a raid10 on my ubuntu 14.04 server, and i was wondering if there was any step too do if i would to shutdown/reboot my server. It a Software RAID with mdadm. Do i need to make a script ...
0
votes
1answer
53 views

Missing Operating System Error When Rebooting from USB Drive

I'm using Ubuntu 15.10 and I want to install an older version like 14.04.4. I tried Startup Disk Creator and Unetbootin after formatting the disk with FAT 32 and NTFS, and also I tried these with two ...
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0answers
11 views

reboot to conect to the wifi

Several times I have to reboot my laptop cause the option to conect to the wi fi network simply is not avaible its anoying to turn on and off many times till conection appear again, an no the problem ...