Questions related to restarting Ubuntu machines.

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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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16 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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51 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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33 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 ...
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1answer
26 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 ...
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1answer
26 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 ...
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1answer
18 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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18 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. ...
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1answer
89 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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18 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
13 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, ...
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49 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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17 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
30 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
31 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 ...
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1answer
79 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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2answers
979 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
12 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 ...
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1answer
116 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 ...
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1answer
152 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 ...
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1answer
116 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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3answers
282 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
25 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 ...
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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
32 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 ...
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0answers
207 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
11 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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24 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
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1answer
33 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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0answers
30 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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1answer
104 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
21 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 ...
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1answer
45 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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10 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 ...
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0answers
50 views

Lubuntu 14.04 LTS install fails [reboot and select proper boot device]

I decided to install Lubuntu 14.04 LTS on a Toshiba Satellite laptop with DVD-RW (image: lubuntu-14.04.4-desktop-amd64.iso). Install went OK, but when I restarted the computer, it ended up in black ...
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0answers
21 views

S5520UR Reboots unexpectedly - Nothing on the logs

I have a S5520UR server running with Ubuntu 14.04.4 LTS (GNU/Linux 3.16.0-62-generic x86_64). For (apparently) no reason the server reboots randomly and I can't find nothing on the logs prior to the ...
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0answers
18 views

Ubuntu random hard resets

Since recently migrating to Ubunutu from Windows, I have been have random hard resets of my machine (all new HW except for some of the SSD drives). I have 15.10 installed and looking at kern.log ...
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0answers
101 views

Cannot reboot anymore

when I try to reboot - sometimes I get with ubuntu 16.04: root@ligi-520i7:~# reboot Failed to start reboot.target: Transaction is destructive. See system logs and 'systemctl status reboot.target' ...
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0answers
33 views

Ubuntu always restarts after check disk

Ubuntu now starts scanning my hard drives for errors when it starts. After that it always restarts. How can I fix it?
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1answer
14 views

Drive not appearing after reboot

I'm using Ubuntu desktop but it's primarily used as a server. I have data being stored on external drives that the server needs to access, but after rebooting, the drive doesn't appear through ...
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0answers
52 views

systemd shutdown action

How can I use /lib/systemd/system-shutdown/ folder for executing some action on shutdown or reboot in Ubuntu 15.10 ? #!/bin/bash case $1 in reboot|poweroff) some command ;; esac ...
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1answer
61 views

After going through an Ubuntu software update, system fails to boot

It goes like this: Ubutu 14.04 LTS I keep it fairly up to date. Usually allow updates when nagged. Was nagged this morning and allowed update. Rebooted. Got a message that something failed. ...
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0answers
26 views

Termination of All Files/Programs

I rebooted my computer, and upon startup, I have lost all of my programs and files. Is there a way to rollback? How should I proceed in attempting to fix this issue?
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0answers
80 views

How to restart glibc services without reboot?

On the glibc issue, I realize have a serious issue with restarting ubuntu instances running on my network. It will interrupt lots of stuff for me and so I'm looking for an alternative. These ...
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1answer
90 views

Ubuntu doesn't fully power down machine

I've searched endlessly on these forums and on Google. I've come close to the answer where other users are having similar issues, but I still cannot come to a conclusion other than: "It's a bug." I'm ...
0
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1answer
29 views

windows folders unavailable after reboot [duplicate]

I mounted my windows partition folders such as Documents, Downloads, Music and etc. to Ubuntu 15.10. It works ok but after I reboot my computer they are not available until I click at windows ...
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0answers
78 views

How to prevent Ubuntu from sleeping after remote reboot?

First, thank you for your time reading this. I have a Ubuntu server and I disabled sleep/hibernate after I logged into the Ubuntu desktop. SSH and remote desktop worked fine. I remotely rebooted the ...
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0answers
77 views

why ubuntu rebooting again and again after xen installation?

I have installed ubuntu 14.04.it booted normally. but when I installed xen the computer is stuck in reboot loop (its rebooting again and again) showing the message "kernel panic - not syncing ...
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2answers
137 views

Reboot command is not working as expected in Ubuntu 14.04.3

I have a fully working EFI dual-boot of Windows 7 and Ubuntu 14.04.3 in that I can select either Ubuntu or Windows from my grub menu and that OS boots correctly. However, on my Ubuntu install when I ...
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0answers
21 views

Upuntu Phone - Crash \ Reboot while call

With latest release 15.04 OTA-9 I recognized crashes while phone call. Can you please fix this? It is very annoying. And if possible, please lock the top-bar while calling to avoid enabling flight ...