Questions related to restarting Ubuntu machines.

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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
21 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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1answer
196 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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10 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
38 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
81 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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0answers
47 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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2answers
168 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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23 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
24 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
142 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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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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0answers
21 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
24 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
20 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
76 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
14 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
32 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
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
42 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
15 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
17 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
60 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
32 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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35 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
55 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
76 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
83 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 ...
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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
63 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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64 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
124 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
20 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 ...
0
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1answer
120 views

Server hangs on reboot when clam is running

In a nutshell Rebooting normally takes under 1 minute, but if clamav-daemon is running, a reboot will take 30 minutes exactly. Overview I have a Ubuntu 15.10 "cloud" mail server: postfix, dovecot, ...
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1answer
35 views

Server rebooting unexpectedly

In the past month, I've noticed that our Dell PowerEdge T630 (Ubuntu 14.04.3 LTS) server is rebooting unexpectedly (Jan 29 were manual reboots): $cat /var/log/wtmp.report | grep boot | grep -v 'Jan ...
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1answer
14 views

After I installed Ubuntu on HDD and rebooting i into it, my PC can no longer find any OS

So I started by installing xubuntu, it worked fine on my laptop accept that the network didn't work, I then tryed with Kubuntu and the same happens. After a while i tryed the original Ubuntu 15.10 but ...
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0answers
298 views

Why do I need sudo to reboot from the command line? [duplicate]

When I enter reboot on the command line, I get: reboot: Need to be root and asked the root / sudo password. When I reboot via the gui I can do that without my sudo password. Why is that? What's ...
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1answer
43 views

Grub Rescue Error while boot windows 7 laptop

I have an old Vaio E-series laptop. When I start the laptop, it shows grub rescue error. I have almost everything mentioned related to this error on the internet. I went to the extent of even erasing ...
0
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1answer
57 views

Ubuntu 14.04 won't power off after I run update-rc.d ccpd defaults 99

I followed installation procedure of Canon LBP2900 printer on ask Ubuntu thread. At the end printer started working. All is well till I run update-rc.d ccpd defaults 99 in terminal. My computer won't ...
0
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1answer
170 views

Lenovo Ideapad won't reboot or shutdown on Ubuntu 14.04 and 15.04

I have problem on my Lenovo Ideapad 100 with linux operating system. I install Ubuntu 15.04, it was stuck at Ubuntu logo at shutdown and show black screen when reboot.
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1answer
72 views

Bypass stop job timer

Is it possible to make ubuntu shutdown right away instead of counting to 1.30min then shutdown. PS: It is a script that is running that gives the message.
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0answers
78 views

Ubuntu 14.04 LTS freezes with blackground splash immage on shutdown

It is very much like this: link I have tried to change grub options with no avail. blacklisting drivers didn't help too. Situation: whenever I shutdown or restart, all the menus would disappear and ...
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0answers
96 views

Dconf editor won't save my minimize speed changes upon reboot

Here is my problem: I want the window minimize animation in Ubuntu 15.10 to be slower so I set the "minimize-count" to 0, the "minimize-fast-duration" to 700, the "minimize-slow-duration" to 700 and ...
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0answers
13 views

installed ubuntu 14.04 won't load past wallpaper [duplicate]

Loaded 14.04 restarted computer won't load past the wallpaper.tried a boot repair disk with no results
0
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1answer
57 views

How to remove ubuntu on ubuntu and reinstall ubuntu [duplicate]

I couldn t find a solution since maybe 5 hours. I have checked everything on Internet. Here is my problem, I dual booted Ubuntu 14.02 beside windows 7. I removed windows 's files accidentally. I ...
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0answers
6 views

Are there any 'normal' system changes which require a reboot? [duplicate]

Other than certain system updates and package installations, are there any actions which require a reboot of the system? I'm interested in fairly regular stuff like adding users and groups etc (sorry ...
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0answers
41 views

Second drive shared network folder lost after reboot

I am able to share a folder sitting on a second drive over the network. After rebooting the share is lost and has to be redone. Is there any way of ensuring it remains permanent?