Questions tagged [reboot]
Questions related to restarting Ubuntu machines.
1,509
questions
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Random restarts on Ubuntu 20.04.1 on Dell Precision 3551
I got my new Dell Precision 3551 computer about a month ago, and installed Ubuntu 20.04.1 on it. However, since then, I've experienced random restarts at seemingly random times. The computer just ...
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2k
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Reboot error: Failed to talk to init daemon
I am new to Linux. I am trying to reboot my Ubuntu 18.04.6. However, I'm getting this message:
$ sudo reboot
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to ...
2
votes
1
answer
101
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New 20.04 install hangs on re-boot
I have two new 20.04.3 installs (Ubuntu-MATE) on a newly built desktop workstation. One is on a 2.5-inch SSD, the other on an nvme SSD.
If I do a "Restart" from either, it appears as if a ...
0
votes
1
answer
300
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SysReq key not working when trying to reboot
My Ubuntu 20.04 freezes sometimes, and been trying to reboot it with "Alt+PrintSc+reisub", but nothing happens. I was holding down Alt while pressing the reisub.
My /proc/sys/kernel/sysrq ...
0
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2
answers
358
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Poweroff issue in Ubuntu 20.04 LTS - its restarting everytime
I have recently installed Ubuntu 20.04 LTS on my machine, but come up with a very strange issue, every time I am clicking on the Poweroff button, instead of shutting it down, it just restarting the ...
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0
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61
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Ubuntu booting problem ( Not booting)
I am using a Dell laptop, Inspiron 15 series (inspiron 15-3565) with Ubuntu 20.04
Today I suddenly removed my laptop battery when it was in use. After that, whenever I tried pressing power button it'...
1
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1
answer
7k
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Random reboots on 20.04 LTS
For the past few days. my laptop reboots randomly without warning and at different intervals. It only shows me a black screen and restarts the PC. I don't thinks it's the CPU temperature because the ...
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0
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285
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How might an Ubuntu machine that has full-drive encryption be altered remotely to enable remote reboot?
I've got a remote machine that was set up with full-drive encryption. I need to remotely reboot the thing. Is there some way to remotely alter the machine such that the passcode for decryption gets ...
1
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1
answer
2k
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systemd - only run service after internet is up
[Unit]
Description=Twitter notifier daemon
# https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/#cutthecraphowdoimakenetwork.targetworkforme
After=network-online.target systemd-networkd-...
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0
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2k
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WMI failed to parse WDG method
I use a Dell Inspiron 3501 and I was able to install Ubuntu 21.04 successfully. I did
sudo apt update
apt upgrade
and restarted the OS. But I am getting this error
wmi failed to parse wdg method.
...
0
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1
answer
16k
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`Sorry Ubuntu 20.04 had Experienced an internal Error` after Every Reboot
Hello
I am Having a stupid error after every reboot
Sorry Ubuntu 20.04 had Experienced an Internal Error
and has
Send button
Don't Send button
I am actually not sure about why the error is. So ...
0
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1
answer
833
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Ubuntu 21.04 freezes
My Ubuntu 21.04 works OK after every booting & rebooting. Yet after 3-4 hours, it “freezes”. Nothing helps but force restart. How to avoid the latter?
The Terminal runs:
<free -h
...
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0
answers
109
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Error message after installing ubuntu 20.04 atempt to read or write outside of disk hd0 while starting the computer
It shows the error
attempt to read or write outside of disk 'hd0'
Entering rescue mode
Grub rescue>
4
votes
2
answers
1k
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Is it possible to permanently show hidden files?
Whenever I restart the OS or even after it locks, files are hidden again. I have selected to show hidden files numerous times but it always reverts back. I really have no desire to hide files and I ...
1
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2
answers
110
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Why Ubuntu got freezes unexpectedly?
I have installed fresh Ubuntu 20.04.2 LTS as a primary os. After running it, It got freezes several times and even the mouse crusor doesn't respond and sometimes it got reboot and sometimes I have to ...
3
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2
answers
7k
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How to reboot to boot menu? 20.04.2
My keyboard has an issue where it does not work on startup which means I cannot access the boot menu. Is there a command to reboot and open straight to the boot menu? I'm assuming its something like ...
2
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0
answers
227
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20.04 Random & Frequent Reboots - No detectable reason
We recently deployed some new hardware and since Day 1 have been experiencing random reboots, an a lot of them. I've actually been working at the console and it's just rebooted without any warning.
...
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1
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2k
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All files suddenly became read only, the reboot halts : (
I was in the middle of working on something, and my files suddenly became read only. I couldn't open a browser. I rebooted, then got stuck on this screen (diagnostics on):
Please unlock disk ...
1
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0
answers
108
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Wayland logout CPU 100%
After I switch to logout I have 100% load to CPU it never stops until reboot. I've found that this is Akonadi, but after kill such processed, others also show signs of heavy CPU usage. I'm using ...
0
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0
answers
136
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Ubuntu 21.04 reboots itself, sometimes hibernates
So, I've been having this problem for a while, since 18.04 I guess. My computer reboots out of nowhere. It is really, really random. The only thing I've noticed is that it only happens when my CPUs ...
0
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0
answers
68
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Ubuntu Studio lost the ability to restart
I have installed Ubuntu Studio 21.04 on a Samsung Series 5 notebook. Everything went fine and the system worked properly. A week or so ago, it lost the ability to restart. That is, if I right click on ...
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0
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115
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Ubuntu 20.04.02 won't power off or restart
I reinstalled Ubuntu a couple of days ago.
Since then I've been having this problem where I can't shut down or reboot my system completely,
it goes into a black screen and stays like that, after a ...
2
votes
5
answers
3k
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How do I stop my ROG Falchion wireless keyboard from rebooting Ubuntu?
I have recently purchased a ROG Falchion RGB wireless keyboard for use with my dual boot desktop (Win 10/Ubuntu 21.04). In Windows, using Armoury Crate, I have configured the lighting and set the ...
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0
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48
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Unable to open GUI in Ubuntu version 20.01, post installing XUbuntu using tasksel and rebooting the VM, tried Alt+Ctrl+F1 too but no luck
Unable to open GUI in Ubuntu version 20.01, post installing XUbuntu using tasksel and rebooting the VM.
As per the vedio--> After Xubuntu was installed successfully--> reboot the system and GUI ...
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1
answer
1k
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Reboot-required – where to check?
It is quite easy to check if the currently running system needs a restart. You check the existence of either /var/run/reboot-required or /run/reboot-required. But which one will also work tomorrow? On ...
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0
answers
77
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After working like a charm for over sixty days, my Lenovo thinkpad Ubuntu 20.04 won't reboot
Back in late April of this year I bought a Lenovo Thinkpad, a refurbished T430. It came installed with Ubuntu 20.04. It worked without a hitch until today (July 1st). Every night I set the system to '...
1
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1
answer
2k
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Reboot : Power Down Ubuntu 20.4.2 LTS Problem
I'm new Ubuntu user , I'm using 20.4.2 version and when I try to power off My Laptop it starts to shut down after that it shows only black screen within message up left says:
Reboot : Power Down
0
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1
answer
265
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Why don't I have a Restart option? Why did restart disappear (not show up on power options) on 20.04?
I just installed a few things and some updates.
i went to restart my computer Ubuntu 20.04 but I don't have the [Restart] option.
Has this been removed? Or has something else occurred?
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vote
0
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46
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Shut Down Problem
I am using Linux 20.04 in HP Pro book.Everything is working fine except that when I shutdown the laptop it automatically restarts after 2-3 seconds.So basically I cannot shut down my system.Before ...
4
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0
answers
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I changed cpus from a 3900X to a 3950X but now Ubuntu will only use the original 24 cores. Cores 24-31 are permanently offline after each reboot
I changed cpus from a 3900X to a 3950X but now Ubuntu will only use the original 24 cores. Cores 24-31 are permanently offline after each reboot.
I have tried multiple times to change the online file ...
1
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0
answers
547
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Why the system unexpectedly reboot with ^@ in log
When reboot happens (last reboot)
The system reboot at Jun 19, 13:14:
reboot system boot 5.8.0-55-generic Sat Jun 19 13:41 still running
What does the /var/log/kern.log say
There are many ...
0
votes
0
answers
286
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How to install / configure ubuntu 20.04 LTS "Focal Fossa" directly?
I have Asus K50-IE old laptop.
First time I installed it without any problems, and also I did all the updates, and it worked like a charm, even with the Livepatch option. Before I had Windows 7 x64 os ...
0
votes
1
answer
1k
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Ubuntu randomly reboots on new computer without logging any relevant events; how can I find out what's going on?
I'm having an issue with a new computer; it randomly reboots. Not a crash...just, Like someone pulled the plug.
No logs are recording any events, they just...stop. Is there a way to force Ubuntu ...
0
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1
answer
406
views
How to delay restart process in Ubuntu
When we restart Ubuntu OS, it goes down, powers off (all connected devices also power off) and then quickly power up again and boots normally. Is there a way to add a delay between power off and power ...
0
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0
answers
66
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Make Systemd attempt to restart once
I have an issue where every time I boot The RF Kill Switch service fails. I have looked around for a solution to this problem, but right now the solution is pretty much just deal with it. So to fix ...
0
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0
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203
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Seems booting in rescue mode Ubuntu 20.04
From yesterday evening Ubuntu 20.04 Desktop is now booting in a "strange" mode, with icons, text and everything bigger and larger than normal (looks in rescue mode).
This is the complete ...
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votes
1
answer
69
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Ubuntu 20 not starting and showing below photo when i choose ubuntu
enter image description here
I was updating Ubuntu software, but accidentally laptop shutdown cause of low battery, next day when i select Ubuntu =open.. Then it shows this picture... Please help!! I ...
0
votes
1
answer
750
views
MCE Hardware issue causes reboot for AMD A10-9700 RADEON R7
I'm experiencing this issue for the year. Tried to figure out and fix, but couldn't find any good solution, updates didn't help (BIOS now is latest, OS is latest, Kernel - one of the latest). Tried to ...
1
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0
answers
89
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Ubuntu turning off every 30 seconds
I recently installed ubuntu on a brand-new Razer laptop. After installing, there were no problems for about two hours. All of a sudden, Ubuntu keeps turning itself off about every 30 seconds. I would ...
9
votes
1
answer
8k
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What creates the file /var/run/reboot-required
Does the file /var/run/reboot-required ONLY occur from a kernel update, or can a developer of a software package decide herself if she wants it to be created, if desired?
The following link explain ...
0
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1
answer
3k
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Restart Ubuntu from SSH
I'm connected through SSH to a machine running Xubuntu, where I'm not sudoed. I would like to somehow restart the OS there, because I'm having troubles with Remote Desktop access to the same machine, ...
0
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0
answers
608
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WiFi is missing suddenly in Ubuntu 20.04.2 LTS
WiFi is completely missing from PC suddenly, even setting doesn't show any WiFi option. This happened several times. Only after a complete restart it back again.
My OS is: "Ubuntu 20.04.2 LTS&...
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0
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166
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Dell Latitude D430 recognizes bootable USB drive, but reboots back to menu when I try to boot from USB
I have a USB of Lubuntu and Linux Mint.
The Dell Latitude D430 should be able to work with either of them. The processor appears to be 64 bit (Core2Duo U7600).
Either distro would be fine for me but ...
0
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2
answers
338
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Ubuntu 18 ans 20 freeze and restart randomly
I am using Ubuntu 18. Since 2 days ubuntu restarts randomly - does not matter if I'm doing something at the mement or if I just left my laptop unattended for hours. It freezes, the mouse does not move,...
0
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1
answer
2k
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"Host is down" text showing when entering command "reboot"
I am trying to enter the reboot command on my Ubuntu but it gives me this text when I enter the command "reboot", "System has not been booted with systemd as init system (PID 1). Can't ...
6
votes
1
answer
13k
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How to run a command BEFORE shutdown on Ubuntu 21.04
I just want to run (as root) a command or script before each reboot/shutdown/poweroff on Ubuntu 21.04 (when I run the shutdown or poweroff commands, or using GNOME/KDE GUI options). I've tried putting ...