Questions tagged [reboot]

Questions related to restarting Ubuntu machines.

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SID changes after reboot

I use Ubuntu 20.04 on Windows 10 WSL2. SID, which is tied to and acquired by a software, always changes when I reboot the PC. The effect of this is that I always have to renew a license of the ...
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Black screen after installing

i tried installing ubunto on my old optiplex 755 After installation computer froze and restarted after that dell logo screen just stayed black with a white underscore at the top left
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Main menu does not show "Reboot" or "Hibernate", only "Suspend" and "Power off"

Since shortly ago, the main menu does not show "Reboot" or "Hibernate", only "Suspend" and "Power off". I do not recall anything happening that might have led ...
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Is ubuntu REISUB/REISUO to switch off/reboot safe? [closed]

I can't happen to find a fix to shutdown or reboot my ubuntu (Zorin OS 16.1). So far I have been using REISUB or REISUO as a quick fix. I was wondering if it can cause harm to my laptop in the longrun ...
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Reboot error after kernel update on ubuntu18.04

In ubuntu18.04, after kernel update, reboot, click Ubuntu, and a few lines appear on the black screen and stop. How to fix it? I tried updating all kernel versions, but the results were the same.
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Computer doesn't start after 22.04 upgrade

Since the update to 22.04 my ThinkPad doesn't start until I power drain it. On a start before anything happens I see displayed DMAR: DRHD: handling fault status reg 3 DMAR: [DMA Read NO_PASID] Request ...
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Please help: power off leads to restart--how to shutdown without reboot in 22.04 fresh upgrade?

Would really appreciate help as I am stuck with this problem and am now posting here as I did not get a response to this question on Ubuntu forums. I upgraded a Dell Precision workstation 3450 that ...
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Why won't my pc start after the installation?

Today I installed Ubuntu on my PC because my Windows 10 version had problems, the set up went smoothly until it asked me to restart. when I clicked it restarted but instead it showed me the image I ...
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Restart a KVM VM like a real machine

Hello Ubunteros and Xubunteros I have Xubuntu 20.4 in a custom PC, and I would like it to run a KVM VM that would be persistent, that is it would restart from the same state as it stopped in. I know ...
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Ubuntu reboots instead of shutdown on iMac

I am running Ubuntu on iMac late 2015, 21.5 inch (the 1tb hdd version) and it’s running effortlessly with just one issue, It reboots on a shutdown. (Suspend doesn’t work too, it just hangs the system ...
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Kernel read not supported for file

I'm just starting using Ubuntu 20.04 for the first day. When I try to reboot it to fix some glitch, it is stuck for 4 hours after loading the device and Ubuntu logo, and get endless Kernel read not ...
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System not started after power failure

I am running some python script in my old computer, the script basically sends data to telegram group every 15mins. The script / computer was working good till I had a power failure. The script is ...
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Ubuntu Core 20 not powering off or restarting

When powering off my installation of Ubuntu Core 20, the device hangs on the line kvm: exiting hardware virtualization Here is the dmesg output that it hangs on
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How to poweroff / reboot / suspend / hibernate Ubuntu 22.04 by two mouse clicks (not four as by default)?

How to remove confirmation menu when performing poweroff / reboot / suspend / hibernate actions? How to place this menu items without submenus? In Ubuntu 20.04 I used "Simpler Off Menu" ...
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Ubuntu 21.04 and 20.04 randomly reboots on my PC

My PC with installed Ubuntu 20.04 keeps rebooting. Before 20.04 LTS I had Ubuntu 21.04, which had the same issue, which is why I decided to install previous version. I tried to ground it in the office....
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Ubuntu 20.04 LTS stuck at restart

I know that this problem is already asked but for very old versions of Ubuntu. I have tried the solution with most number of votes. It fixes the freezing issue at shutdown but still freezes when I ...
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reboot/halt/suspend suddenly stopped working

I have ubuntu 20.10, installed on ThinkPad X1 Extreme (Intel i7). A few days ago, reboot/halt/suspend stopped working (sudo halt just returns and nothing happens. Same for sudo reboot). I really have ...
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HP 255 G8 reboot randomly

My laptop keep crashing randomly with Kubuntu 21.10 . The Cpu temp are usually low and the battery have 100% health. Here are the results of sudo dmesg --level=err: [ 0.326126] ACPI BIOS Error (bug)...
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TPM and ACPI errors listed in dmesg in my Ubuntu 20.04 on Dell Latitude 5511 - spontaneous reboots

In my dmesg I see: $ dmesg|grep tpm [ 0.571377] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0x0, rev-id 78) [ 0.572925] tpm tpm0: [Firmware Bug]: TPM interrupt not working, polling instead AND $ ...
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Ubuntu Studio 20.04 not rebooting after update

My Ubuntu Studio 20.04 LTS corrupted so I proceeded with a clean install as I have done many times before. I am installing on a 500 GB EXT4 freshly formatted partition (I have a second 500GB partition ...
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Ubuntu locked after upgrading to ubuntu 22.04

I upgraded from Ubuntu 20.04 to 22.04 a few hours ago. The system said I should reboot anytime. But I got no y/n question. So I left the terminal box and tried to restart the system. I was asked to ...
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Ubuntu 21.10 shows discharging when plugged in and vise versa

I have installed Ubuntu 21.10 on lenovo flex 5 ryzen 7. it shows discharging when plugged in and charging when unplugged. Charger type Lenovo 65W type C it works fine when switched to windows.
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After server reboot the server is now in desktop mode and no ssh works or ehternet

Yesterday I rebooted my ubuntu server with the command sudo reboot now but then I could not ssh back to it after waiting. It seems like websites running on the server with nginx still work. When I ...
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Ubuntu Server (20:04) command reboot with '-p' option does not work as expected

About the reboot command, according with: focal (8) reboot.8.gz Indicates: -p, --poweroff Power-off the machine, regardless of which one of the three commands is invoked. practically ...
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Ubuntu server rebooting on blank screen

I just created a ubuntu server running 21.10 on a 2015 laptop. It works perfectly fine, except when I reboot : it stops and then reboots on a blank screen (nothing shows up, only black). I am then ...
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cron job not running on boot [duplicate]

I have a bash script I'd like to run at boot (both reboot and from cold boot) using the latest Ubuntu server version. I've confirmed the script works when running it directly. I ran sudo crontab -e ...
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Thinkpad Touchpad and Trackpoint work only after suspend // L13 / 18.04

I use a Thinkpad L13 (non-Yoga) with U. 18.04 and after system boot the touchpad and trackpoint don't work but they do after suspend/resume. I did a lot of stuff to fix that (bios, drivers, ...) but ...
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Why does my laptop require a hard boot every time it suspends?

My laptop requires me to hard boot it everytime the screen suspends by pressing the power button for 40s. It switches off and doesn't start again unless I spend 40s switching it on, it resets the time ...
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session closed for user pi when restarting apache2 server

When restarting the apache server with this command sudo service apache2 restart I get an error Job for apache2.service failed because the control process exited with error code. See "systemctl ...
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Steam Problem on closing or reopening

I cannot re-open Steam on Ubuntu after having closed Steam. In order to effectively run or use steam again I seem to have to restart my whole computer, which is a chore. Also, Steam (especially during ...
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Can't open my laptop after halting

I'm using Ubuntu 20.4 and I wrote the command "sudo systemctl halt" and now the power button light is on but I can't really open it
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Sudo hangs, internet disappears, and computer cannot be shut down after computer has been asleep for a long time

Sorry in advance for the lack of detailed technical info here - I'm doing my best but I'm relatively new to linux troubleshooting. I'm using Ubuntu 21.10 (specifically the Ubuntu Budgie DE, in case ...
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After restarting laptop all files gone

I am using 20.04 version. When I restarted my laptop, all of my files were gone. It is like a fresh Ubuntu install on my laptop. The strange thing is that I can see some apps which I installed before. ...
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Problems with my webcam on localhost after reboot

I introduce you a little to our project. We have an App that works anchored to Localhost, they are telemedicine booths that are on all the time. So every time there is a power outage or shutdown, when ...
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Can I boot with /home as readonly?

In connection to Remotely recover file from rm, I consider somehow setting up my system to intentionally boot with /home as readonly, and reboot. Is that possible? I am not sure about how to do it, ...
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Ubuntu 20.04.3 LTS randomly restarts

I've installed Ubuntu 20.04.3 LTS. The computer crashes and restarts several times a day. I can't find the reason. Please help Details of my computer: System: Host: xxx Kernel: 5.13.0-28-generic ...
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Can't poweroff, reboot Ubuntu on ASUS ROG x13

It shows the message "reached target reboot/poweroff" and halts. When I turned on udev debug information it showed "AMD Sensor Fusion Hub is taking too long". What can I do to get ...
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Full brightness on startup after the recent update

After every reboot, my laptop, on startup is on with 100% brightness. I have to manually turn it down using the function keys everytime. Generally, the default start-up brightness used to be around 20%...
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When I start my laptop and write my password the screen is often only grey

Good evening, When I start my computer it loads normally and after I have typed my password to get to the desktop I often get only a grey screen. I have to shut down or put the computer to sleep mode ...
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System will not shut down or reboot on Asus notebook

OS: Ubuntu 20.04.3 LTS 64-bit Kernel: 5.13.0-27-generic Gnome version: 3.36.8 Hardware: Asus Q406D 2-in-1 Notebook PC I've encountered this problem only in the last few days. When I attempt to shut ...
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FSTAB automount fail

Hardware: RPI4 + Radxa Quad Sata hat Version: Ubuntu 20.04.3 LTS (GNU/Linux 5.4.0-1050-raspi aarch64) GPT partition table with single ext4 partition / disk I testing it from throught ssh! After I ...
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always ask for sudo password when rebooting/shutdown the system

So, I noticed that on manjaro, if there is only one user, typing reboot without sudo, will just fail and ask for the sudo password, whereas on ubuntu server, typing this doesn't ask for the sudo ...
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Laptop will not resume from suspend unless connected to external monitor Ubuntu 20.04

I am running only Ubuntu 20.04 LTS on a Asus VivoBook i5, 8Gb of Ram, kernel version 5.11.0.46.51 and with a Dell external monitor connected via HDMI. It has been running flawlessly for about a year ...
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No restart and no power off (Ubuntu 20.04)

I'm having a problem which is particularly embarassing. Upon shutting down my laptop (HP 255 G7) or even restarting it, I get a black screen as if the computer was really turned off but the power-on ...
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WiFi problem with Ubuntu 20.04.3 LTS

I have a problem with the WiFi oof my laptop. When I start the computer with this SO (Desktop Version 20.04 LTS), I select a WiFi network and I connect to it. When I reboot (or shutdown and restart ...
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Poweroff and reboot not working on a Lenovo Yoga510-14AST

I have searched some hours but couldn't find a working solution: If I am normally booting Kubuntu 20.04 on the Lenovo Laptop powering off and rebooting does not work. The machine gets stuck after &...
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Port doesn't support device sleep

I installed Ubuntu in my laptop. I am totally new to Linux. My system is upto date. I noticed some programs are not functioning correctly like I closed VS code, when I reopened it, it didn't open. So ...
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System hangs on reboot and poweroff

My laptop started hanging several days ago, this is the last message it prints. I am running Ubuntu 21.10. What can be done to make this work again without having to disable updates? EDIT: The ...
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19 votes
2 answers
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How do I prevent access to shutdown but not reboot?

I have a ubuntu pc running as a plex server. How do I get it so that no one can shutdown the computer but only allow the user to reboot the machine? I know it is possible in windows but I am just ...
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