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2
votes
0answers
37 views

how does auto reboot happens?

For "no reason?" my machine is rebooting. last reboot brings lines like this: reboot system boot 3.13.0-24-generi Tue Dec 9 18:57 - 19:09 (00:11) reboot system boot 3.13.0-24-generi ...
0
votes
0answers
33 views

Analyze backtrace of kernel panic on Android

I have this problem on my Samsung Galaxy Note 2 LTE with random reboots and kind of clean restarts in the kernel logs (no oops / panic, even though some usb errors) and now I got a kernel panic in the ...
3
votes
2answers
67 views

I want to reboot the system once a search had been done to see that no-one is logged in

I'm working on a user menu so that when a user logs in all they get is this menu; on this menu is a selection of reboot option. I want one of the options to be reboot the system if no one is logged ...
0
votes
0answers
108 views

Cannot load grub4dos through kexec

I execute in Ubuntu 14.04 sudo kexec -l /sbin/grub.exe sudo kexec -e and get black screen with some phrases. The font is squeezed vertically and I see also one copy of the same phrases on the ...
0
votes
0answers
21 views

Limit system reboot burst

Systemd allows to automatically restart services if they have crashed. To prevent indefinite services restart it uses @StartLimitInterval@ and @StartLimitBurst@ variables. Moreover, I can reboot ...
0
votes
1answer
38 views

why does “last” command show reboots

According its own man page, the last command: shows listing of last logged in users This is exactly what I need. But why does it spam the output and list the reboots as well? I want to see who ...
1
vote
0answers
47 views

Fedora 20 freezes on reboot and poweroff

This freeze happens when I try to reboot, shutdown -r now, poweroff, shutdown -h now etc. One time it freezes on my desktop image, and the other time it freezes on the fedora logo. I am dual booting ...
1
vote
1answer
54 views

reboot in the middle of the script [closed]

I see sudo reboot in the middle of a script - meaning there are more commands after it. Is there any situation when the commands after reboot can be executed, assuming that reboot is not within an if ...
1
vote
2answers
32 views

Why doesn't this sequence of keys, using SyRq, work

I have Fedora 20, with zshell and Mate desktop. I have just come across this article about using SysRq keys, but they don't give the results shown there. I am using Alt with the key marked "Home" ...
2
votes
1answer
378 views

Why does my systemd unit fail to run on server reboot?

I'm having troubles getting a systemd service unit file to run correctly when the server reboots. This server is a fresh CentOS 7.0.1406 install. I'm trying to set it up with multiple Apache httpd ...
1
vote
1answer
66 views

Reboot Redhat Enterprise Linux

How can I reboot the RHEL from CLI using the systemctl method?
1
vote
0answers
16 views

character device file (rtai_shm) disappears under runlevel=5 in fedora9 (exists when runlevel=3)

I am trying to run Realtime (RTAI) on my Linux Fedora 9 machine. For that, it is needed to have a character device file, named rtai_shm, in /dev, that takes care of shared memory. I have made this ...
-4
votes
1answer
43 views

Reboot shortcut

I need to haved a shortcut on my desktop to a URL which reboots my debian server and then says "reboot successfull" in the browser, if that was the case. I do not want a putty reboot shortcut or ...
0
votes
0answers
58 views

Mysterious Reboot Preventing Debian from Loading

I recently picked up a cheap, oldish computer at a yard sale. It contained a 80GB SATA hard drive with Windows XP, but I want to turn it into a LAN FTP server, so I tried to set up dual-booting Debian ...
6
votes
2answers
696 views

Why does Fedora 20 request a restart after software updates?

I have a Fedora 20 installation in a VirtualBox virtual machine. Now it notifies me of "OS Updates", that "Includes performance, stability and security improvements for all users", and I have the ...
1
vote
1answer
365 views

Reboot when no network connection does not work!

I have a Raspberry Pi that I use as a NAS for my local network. It works fine, but when I turn off the router to which the pi is connected, it permanently loses the connection. To be able to connect ...
0
votes
1answer
63 views

How to prevent from automatic reboot after shutdown?

I have a problem with shutting down my systems. When I shutdown my laptop everything looks normal but after few seconds it powers on by itself. I tried to shut it down through terminal with "shutdown ...
1
vote
1answer
39 views

Two HDD partitions with the same name result in uncertain directories

I'm running Ubuntu 14.04 on a machine that has a lot of hard drives plugged into it. These hard drives have partitions with old OS's which have a lot of key data that I use often. The problem is, I ...
2
votes
1answer
232 views

How to debug random reboots, with no kernel panic, of an embedded system?

I have two aValue RPC-10W1 embedded systems that reboots by themselves after 1-2 hours. Facts: The board will reboot within a time span of 1 to 2½ hours. The issue is present on two identical ...
2
votes
1answer
70 views

Solved - Solaris 10 - Is it possible to reboot a system from a startup script?

I have a Solaris 10 test guest logical domain (LDom). I plan to have the network on this be reconfigured before rebooting using a startup script in /etc/rc0.d. At the moment, when the system boots, ...
2
votes
1answer
154 views

What is the use of “magic arguments” in Linux reboot system call?

As I was reading Linux source code, and more specifically the system calls code, I came across sys_reboot implementation: http://lxr.free-electrons.com/source/kernel/reboot.c#L199. 199 ...
5
votes
1answer
529 views

How to continue a script after it reboots the machine?

I'm writing a shell script in bash. At some point in the script, it detects that the machine needs to be rebooted before continuing. It issues: sudo reboot When the machine comes back up, there ...
2
votes
1answer
73 views

Why does Alt+SysRq+B not always trigger while REISU do?

On many different machines, when I come across a lockup, I often use Alt+SysRq+REISUB to reboot without too much losses. But I often noticed that although REISU commands work even when I just hold ...
2
votes
2answers
141 views

Automatically reboot, if no wifi connection for a certain time

It seems that my Raspberry Pi server loses wifi connection after a random time and is somehow not able to recover automatically. Usually a reboot done by hand resolves the problem. I would like to ...
3
votes
2answers
739 views

Is there a way to tell how many times my computer has rebooted in a 24 hour period?

I was doing a 24 hour code-a-thon and had to reboot numerous times and was wondering if there was a way to tell exactly how many the computer was rebooted or crashed.
6
votes
3answers
2k views

How long has my Linux system been running?

Is there a command I can type in a terminal that will tell me the last time a machine was rebooted?
1
vote
1answer
134 views

Unable to SSH into Google Cloud Server after Reboot

I was learning to configure a Debian server and familiarising myself with the common command lines. However, after executing the reboot command in SSH, my subsequent SSH connections were refused and ...
0
votes
0answers
104 views

Universal Access System Settings keep resetting after reboot

I am using Elementary OS Luna and each time I reboot my computer, the Universal Access settings keep getting reverted to the following state: I do not want the Sticky Keys feature so I disable it, ...
2
votes
1answer
130 views

Reboot when there is a hardware failure without physical access to machine?

I'm getting this error message whathever I do: $ sudo reboot bash: /usr/bin/sudo: Input/output error $ reboot bash: /sbin/reboot: Input/output error It's a hardware failure according to this ...
3
votes
1answer
267 views

Why isn't “REISUB” working on Debian?

I'm using Debian 'Jessie'. Sometimes my computer freezes, and then I can't use Ctrl+Alt+Supr to reboot, Ctrl+Alt+Backspace to kill the X Window System nor Ctrl+Alt+F1 to open a new shell. I've read ...
2
votes
3answers
4k views

Restart all services without reboot

I do some group permission changes on the CentOS server, And then need restart all services. How can I restart all services safely without rebooting?
22
votes
3answers
2k views

When is a reboot required?

Apart from upgrading the kernel, are there any changes to a Linux system that require a reboot? I know there are situations where a reboot makes things easier, but are there any that cannot be ...
6
votes
1answer
279 views

How to have Linux wipe/randomize/sanitize RAM at shutdown?

For mysterious reasons I still double boot sometimes into Windows. My problem is that I fear that information may leak because the RAM memory is accessible to Windows. (the Linux partitions are ...
1
vote
1answer
117 views

Debian, nonroot, cron, bash script and rebooting at specific time

As nonroot user, how can I schedule a reboot every day at 4:30am? 30 04 * * * /home/user/scripts/reboot.sh As a nonroot normal user, I'm sure the system won't allow me to use the reboot command. ...
3
votes
2answers
93 views

Remote executing Magic Sys Rq

Is it possible to execute Magic SysRq keys on remote machine, using SSH? For example I'm trying to run like this: xdotool key Alt+Sys_Req+H But I do not see any help in console, also in ...
1
vote
1answer
49 views

Is there a way to check which process terminates first during reboot

Assuming I have 2 processes running. Is there any way for me to check which process terminates first during reboot/shutdown? From this link, it tells about appending boot to a file. Yet, I still don't ...
1
vote
0answers
102 views

Can't use QWERTY layout after make IBus work with Dvorak layout after reboot

To keep my Input Method (Bogo or Unikey) of IBus working with Dvorak keyboard layout after reboot, I use sudo dpkg-reconfigure keyboard-configuration to set keyboard as Dvorak, and go to tab Advance ...
8
votes
3answers
2k views

“system is going down for reboot now”

I am connected to a beagleboard via tty and I suddenly see this message : Broadcast message from root@arm (unknown) at 11:40 ... The system is going down for reboot NOW! [ 143.036193] ...
1
vote
1answer
68 views

At what frequency is /var/log/wtmp updated?

What daemon is in charge of updating this file and at what frequency does it run ? When I type in last reboot I see : reboot system boot 3.5.0-45-generic Wed Jan 15 16:24 - 09:49 (14+17:24) ...
9
votes
2answers
16k views

crontab's @reboot only works for root?

man 5 crontab is pretty clear on how to use crontab to run a script on boot: These special time specification "nicknames" are supported, which replace the 5 initial time and date fields, and ...
5
votes
2answers
2k views

Is it possible to execute a script as first at shutdown/reboot on Debian?

I am currently trying to register a script (located in the /etc/init.d) in a way that makes this script being executed as the first script/programm at shutdown/reboot (change to running level 0 or 6). ...
0
votes
3answers
306 views

Disable cronjob after reboots

How can I prevent cronjobs from automatically starting after my server has rebooted? Every time I reboot my server the cronjobs start up again, which I'd like to prevent. These servers are running ...
1
vote
1answer
466 views

Debian can't reboot and asking for root password (maintenance)

I'm experienced some file system errors on Debian (seems caused by RAID controller). Files system now seems fixed. I reinstalled broken packages with some broken config files. System boots normally. ...
1
vote
1answer
595 views

last reboot/uptime/… strange behaviour

I know this has been more or less asked before but I still don't have any answer. I started to investigate why on my system (it is a remote machine) who -b and uptime gave different results (~3 days ...
1
vote
1answer
97 views

How do I power down on reboot?

I am programming for a Linux ARM device and have some situations where I need to reboot the device after a user prompt. Whenever I run reboot -f or shutdown -r now though, the system starts up with a ...
2
votes
1answer
2k views

Linux VM's disk went read-only = no choice but reboot?

I have several Linux VMs on VMware + SAN. What happened A problem occured on the SAN (failed path) so that for some time, there were I/O errors on the Linux VMs drives. When the path failover had ...
5
votes
1answer
590 views

how to reboot a frozen FreeBSD server from the serial console?

Linux has the "magic sysrq key" to reboot frozen machines remotely, and it works over the serial console, but what about FreeBSD? Is there a way to send a "control-alt-delete" to FreeBSD servers on ...
9
votes
1answer
338 views

Don't let users reboot while root's logged in

On my system users can reboot and shut down the system. From time to time I need to update software (or do anything else) and I don't want users to reboot/shutdown the system until I've finished. Is ...
2
votes
1answer
330 views

CentOs eth2 wont start on reboot

I have Cent OS 6.4 inside my virtualbox with two ethernet devices. One is connected to the internet with NAT, the other is connected to the internal network. here is my eth2 config file cat ...
2
votes
1answer
3k views

How to restart Alsa/PulseAudio after using Jack

After I use Jack, the PulseAudio outputs and inputs are replaced by a dummy device. I've tried to kill PulseAudio and reload Alsa, but the only way I can use an Alsa-based application again is to ...