Questions tagged [reboot]

rebooting is the process of bringing down a system in a state where it will complete reinitialise, without removing power from the system. Use this tag for question related to problems with being able to reboot a system. For problems booting into a particular installed OS, use the appropriate bootmanager tag (e.g. [grub])

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kexec reboot no longer skips firmware/hard reboot after upgrade to ubuntu 20.04

(Posting here rather than the Ubuntu subsite because I don't think it's specifically related to Ubuntu...) I've previously been successfully using kexec-reboot -lr from the exceptionally useful page ...
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At reboot, my system restarts only some applications and not others. How can I fix it?

I am having issues configuring my system so that after a reboot I have the same open applications I had before shutdown. On the Arch Linux derived distribution I am currently using (Artix Linux), ...
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Random freezes and reboots AMD Ryzen

I have an AMD Ryzen 7 3800x with a MSI x570 mobo. I suffer from random reboots and freezes on Linux. Windows works totally fine though. I've searched on several forums and stackexchange threads, and ...
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How to get last boot times?

I have a raspberry pi. I have a crontab running and telling it to reboot at mid-day every day (sudo reboot now). Here is the result of last reboot -F: myuser@mypiname:~ $ last -F reboot reboot ...
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macOS hangs on reboot

Recently, my macOS hangs during the reboot process. The screen shows the background and it does not reboot until the system watchdog reboots the computer. What are the ways that I can debug this? I ...
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`& disown` and `setsid` not working with ssh! They launch an `(sd-pam)` process, which is not working

I'm trying to reboot the server after a specified time. If logged in on the server this can be achieved with a command like this: sleep 10 && reboot To make this command stay alive (without ...
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Reboot debian machine via script from another machine in local network

Hi I need to reboot "machine A" from "machine B". Both are connected to local network. Basically I need a simple script on "machine B" that does it. IP adresses are ...
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48 views

Can I reboot and log back in, without a password, in one command?

Can I reboot and log back in without a password, in one command?
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23 views

Running a busybox applet from /tmp

There is a problematic situation with a headless Linux device. Long story short: the rootfs gets unavailable and this blocks everything. Power recycle is the only way out and I want to automatically ...
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Reboot a linux when rootfs gets unavailable

How can one make a Linux-based device to reboot once its rootfs gets unavailable? There is software watchdog available only. The problem is that rootfs gets mounted from NFS. When I stop the NFS ...
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General Protection Fault on Reboot

I see a General Protection Fault during a reboot after running H/W failure test followed by a reboot. There are no issues with the H/W and test case, coz the same works well the previous RHEL version. ...
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RAID call traces on RHEL8

I am seeing "Call Traces" on booting from Rhel * (4.18.0-235.el8.x86_64). The call traces appears after cold boot. I don't see any other issues. It is known issue I see a thread stuck at the ...
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Can I see a list of jobs that cron runs @reboot?

In /var/log/cron.log I noticed that CRON runs "@reboot jobs" right after I start my computer. Is there a way for me to see the list of the jobs CRON triggers then?
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How to Use Crontab and Timestamp to Calculate Boot Drive Reboot Speed?

I wish to test my boot drives reboot speed. I plan to do this by running a bash script that reboots the drive 100 times and at each boot, gets the time stamp. With the time stamp, I can calculate the ...
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Reboot fails and tries again forever

I have a linux/yocto system that is stuck in a reboot loop. It encounters a failure that causes it to attempt to reboot. While core dumping another (different) failure occurs which causes another ...
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131 views

system policy prevents control of network connections when rebooting-shutting down, disconnecting network, trying to connect to vpn

i have ubuntu 18.04.5 LTS and i've been trying to fix this issue since a few days but i still cannot. So, when i try to connect restart or shutdown a box pops up and says: Authentication is required ...
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“No bootable device” error after deleting a partition

I have a laptop on which I have an installation of Zorin OS (It is not a Dual-Boot), today I was trying to delete a partition from a USB disk that I have, the disk manager tool that Zorin has ...
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51 views

Negative time differences with `last reboot`

Looking at last reboot | head -3, I get the following result: reboot system boot 5.7.10-201.fc32. Fri Jul 31 11:29 still running reboot system boot 5.7.10-201.fc32. Fri Jul 31 11:22 - 09:29 (-...
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1answer
52 views

Will reboot command wait for unattended upgrade to complete?

I'm running unattended upgrade at random times on a computer. I have a cron to reboot at a set time daily. If my reboot cron runs in the middle of an update, will it wait to reboot or will it force a ...
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1answer
22 views

Reboot with kexec without making it default and vice versa

Upon installing kexec-tools, on Ubuntu at least, I am asked if I want to use kexec to handle all invocations of reboot. I don't, but there are some occasions that I do want graceful termination of ...
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How to run an app automatically on reboot for different user?

I have a ec2 machine/redhat with Tomcat installed. I want only userX to start this app, not ec2-user. However, ec2 automatically boots with ec2-user after restart. How can I make my userX to execture ...
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187 views

Resetting / refreshing system watchdog timer

I want to set up a high availability system, and to that end, was experimenting with several recovery methods. Assuming I have received a kernel update through automated means, which would mean a ...
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Dell latitude restarts unexpectedly ubuntu 20

I'm having this issue of random restarts and I can not find the cause easily. The output of last reboot corresponding to the undesired reboot reboot system boot 5.4.0-33-generic Tue Jun 9 16:16 ...
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54 views

Why crontab on Centos 7.8 for reboot the server once generate e reboot loop?

i want run a CronJob for reboot the server once or twice at month. I do: crontab -e than: 51 9 5 * * /usr/sbin/reboot This should reboot at 5 day of the month at 9:51, it works the server is ...
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432 views

Debian 10 Buster hangs when I try to reboot/shut down

I have Debian 10 Buster installed on my Acer Nitro AN515-51 laptop (dual boot with Windows 10). These are the system specs: Graphics: Nvidia GeForce GTX 1050 ( 4GB VRAM); Intel UHD Graphics 630. RAM:...
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How to make reboot require an admin password

I have a Raspberry Pi running Raspbian Buster. It happens sometimes that I misclick on "shutdown" or "reboot" instead of just Logout. And this is very annoying espcially when I click on Shutdown.. How ...
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Error when using gvfs in crontab

i have the following script that i wish to run at start-up for a specific user: #!/bin/bash touch createdfile gvfs-trash createdfile gvfs-ls trash:// gvfs-trash --empty gvfs-ls trash:// I've edited ...
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Shutting down log not left-aligned when using `systemctl poweroff`, `shutdown -r` and `reboot`

When I run systemctl poweroff, shutdown, or reboot, my shut-down log screen looks like this: However, it didn't always look like this (though I cannot pin-point when it started to do so). ...
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Start VM and save state vm on startup/reboot/shutdown

In fact I wanted to run below script when I turn on or reboot or shutdown my computer. startup.sh - vboxmanage startvm vmname --type headless reboot.sh - vboxmanage controlvm vmname savestate ...
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2answers
52 views

Finding program or process that is triggering reboot

Every night at exactly 3:00a, my Raspberry reboots, but nothing I have done or am running has triggered this. I would like to identify the "offending" process and disable the rebooting. This is the ...
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484 views

systemd-shutdown[1]: Failed to finalize DM devices, ignoring

Each time I reboot my laptop, that's running Kubuntu 20.04, I see this message right before it reluctantly reboots: systemd-shutdown[1]: Failed to finalize DM devices, ignoring Also, rebooting takes ...
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100 views

Linux reboot command fails?

Trying to reboot linux (Kali) from the command line using either reboot or shutdown -r and it will not reboot. Looking at the syslog I get Apr 30 10:26:08 kali systemd[1]: [/lib/systemd/system/...
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591 views

Ubuntu 18.04 “Failed to open /dev/initctl: Permission denied” when trying to reboot from script that is run by cron

I have a Python program that reboots the computer after some errors: main.py: import os if (some_error): os.system('/sbin/reboot') In order for this to work I added NOPASSWD to sudoers file ...
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285 views

CentOS 8, Debian, and Ubuntu all randomly reboot with no error log

I've looked around for answers to this question, and I can't seem to get any answer that works. My CentOS 8 system randomly reboots at intervals of around 6 hours without any log. This issue started ...
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1answer
17 views

How to run installation scripts without allowing shutdown/reboot/hibernate

I would like to run installation scripts on a remote server through SSH, but it is important that the server does not shutdown/reboot/hibernate. If I run a script using sudo, how can I prevent the ...
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74 views

Arch reboots in Zoom due to ThinkPad overheat

I have a fresh install of Arch Linux, and it's rebooting when I'm in a zoom call, not sure how it's related though. Every time the reboot happens, I see: root: clearing orphaned inode {number} (uid={...
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1answer
120 views

USB devices need replugging after reboot

Two of my USB devices don't work after rebooting my PC: my mouse and the external WiFi adapter. Other USB devices like printer, keyboard or external disks all work fine. Mouse and Wifi, however, ...
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60 views

what do I do if linux doesn't create the var / log / journal directory despite rebooting with systemctl?

I need help, the journal service was not configured correctly with systemctl restart systemd-journald.service, since I want to protect journal files with storage = persistent,but linux does not create ...
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Are there any safer options than `sudo sync && halt -n` for troubled states?

I find that two of my macOS workstations have hang from time to time. They aren't resolved even by sudo reboot or su; reboot. In these cases sudo sync && halt -n usually does the trick and ...
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104 views

Hang on reboot, no hang on shutdown? (Pop! OS)

I've been running a Pop! OS machine for a while, and it's been going great. I've been an Ubuntu user for some time and wanted to explore a bit of the gaming side of things. I thought I might be able ...
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1answer
19 views

After a reboot is there a way to restore prior windows like terminals and gnotes to what they were before a reboot?

I have a dual boot setup (GNU/Linux-Debian-Buster & Windows 10). Sometimes I have to shutdown GNU/Linux, thus closing all of my many open windows with work in progress, to be able to ...
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30 views

Verifying Cold Reboot?

I noticed that I could do a "cold reboot" by setting kernel boot parameter reboot=cold. However, I wonder whether there is a way to verify that the reboot is indeed "cold". Thanks!
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Can I remotely connect my office system “PC-A” to another neighbouring office system “PC-B” through mac address?

System description I have two Ubuntu (Mate-flavour) systems in my office "PC-A" and "PC-B". previously(4 days ago) I was able to remotely connect both the PC from home. both are connected with the ...
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253 views

How to shutdown and turn on a remote system from command line

I have a Mint18 system to which I connect remotely from Windows using putty. I need to shut down the remote system and then turn it on again (Not the restart o reboot) due to the issue here. However, ...
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63 views

SysRQ+B (boot) not working but O (turning off) is

For some reason, my Linux machine will properly turn off when striking SysRq+O, but won't reboot as expected when doing SysRq+B. Both of these ones show up in the help message (with SysRq+H) and all ...
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130 views

Fedora 31: Gnome 3 reboots suddenly after prolonged usage

Using Fedora 31 (kernel 5.4.19-200.fc31.x86_64 ) with gnome wayland desktop environment. My machine has started rebooting randomly. Using: Journal -p 4 -xe to see errors and wearing I have found ...
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32 views

Resume from hibernate Not Working on Linux Mint

i am facing Issue when i hibernate my laptop with Linux Mint 18.1, almost 30-40% times it starts to resume from dev/disk/uuid-XYZXYZ...XYZ but after some loading it Starts as a-fresh session. and i ...
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1answer
64 views

Cancel a pending shutdown with /sbin/shutdown -c does not work

I have planned a reboot with /sbin/shutdown -r 23:30. But when I try to cancel it with /sbin/shutdown -c, I am not sure if it is really cancelled. Because a cat /run/systemd/shutdown/scheduledstill ...
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2answers
543 views

Full disk encryption on Debian servers?

I installed debian 10 on my old pc (i386) using the full disk encryption option from installer. When I boot it nothing starts until i give the decryption password at the screen. Thus i cannot ssh to ...
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58 views

How to check if a server requires reboot after disk extension

I have a newbie question here. I'm running a few servers on ESXi, some new debians, some old debians, also some new centOS and some old centeOS. Sometimes I'm required to extend the disk space, ...

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