Questions related to restarting Ubuntu machines.

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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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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
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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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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
20 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 ...
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1answer
13 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 ...
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1answer
61 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
53 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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43 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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50 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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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
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1answer
49 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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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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28 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?
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2answers
375 views

Ubuntu 15.10 won't shut down or reboot

I recently bought a new lenovo B50-10 notebook on which I've installed ubuntu 15.10 successfully, at least I thought so until I stumbled upon a troublesome issue : my notebook won't shut down. Every ...
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1answer
257 views

Power off / reboot fail - Lenovo IdeaPad 100

All i've followed is the following tutorial.: https://help.ubuntu.com/community/Grub2 Fixing reboot/shutdown freezes If your machine freezes upon attempts to shutdown or reboot, try modifying ...
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1answer
79 views

Ubuntu won't shut down or restart

When I shut down or restart my laptop with Ubuntu 15.04, the screen goes off but the LED lights are still on. In other words the laptop does not fully go off when a try to shut down or restart the ...
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1answer
80 views

Service not starting at machine boot up - Ubuntu 14.04.1 LTS

I created Weblogic server as a service to start at boot up of machine by creating weblogic file inside directory /etc/init.d/ with below content: #!/bin/sh . /etc/default/weblogic start() { ...
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41 views

Ubuntu 14.04 LTS Server does not boot on reboot

i got a problem with a Ubuntu 14.04.3 LTS server. It is updated to the latest version and does work well - however, after an reboot from ubuntu, it gets stuck on a black screen after going through ...
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80 views

Dell Vostro 3750 doesn't reboot/restart

It's been a while now since my laptop doesn't reboot in ubuntu anymore (either 14.04 or 15.10 - I have them both on different partitions). It hangs before I can see the bios screen (no backlight as ...
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0answers
30 views

mdadm error at boot (exit code 1)

Since the 30 OCT 2015, after an update-reboot I've started to see these messages in the error log: systemd-udevd[345]: Process '/sbin/mdadm --incremental /dev/sda1 --offroot' failed with exit code ...
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28 views

Blinking cursors, black screen when shutting down or restarting 14.04

When shutting down or restarting my ASUS Zenbook UX305FA running Ubuntu 14.04 LTS, I receive the following: 3 white blinking cursors, moving up through the screen when shutting down. 1 white ...
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107 views

Disable wifi power management

Problems: 1) Power management makes Wifi connection unstable. I need to disable it completely 2) My wifi doesn't automatically turns on after sleep. I should do it myself Info Laptop: Dell ...
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0answers
95 views

Cannot reboot Kubuntu 15.10

I installed Kubuntu 15.10. I am able to boot and shutdown perfectly fine, but I cannot reboot. After trying to reboot I see the word kubuntu with a blue glow around it. After that disappears my screen ...
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15 views

Dual boot Ubuntu in D hd and Winows 7 in C sdd [duplicate]

I'm new to Linux I just installed Ubuntu from a CD. I tried Reboot Repair Disk from the demo terminal and got this summary http://paste.ubuntu.com/13100832/ What is the easiest straightforward way to ...
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45 views

Reboot and select proper Boot device or insert Boot device and press any key after installing ubuntu14.04.2 in desktop [duplicate]

I installed ubuntu 14.04.2 on my Windows 7 desktop. After installing, while rebooting, it is giving me the following error Reboot and select proper Boot device or insert Boot device and press any ...
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192 views

Ubuntu Gnome 15.10 doesn't power off or reboot

when I select power off or reboot, it do what should do, but at the end, it stucks with a black screen. The only way to power off or reboot is to cycle power with the hardware button.
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1answer
41 views

Setting AuthorizedKeysFile value causes ssh failure?

Upon rebooting my ubuntu machine remotely over ssh, I was no longer able to ssh to that machine. It was suggested that this was due to my home directory being encrypted with the authorized_keys ...
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0answers
31 views

How to reboot vivid?

I upgraded a Lubuntu 14.04.3 LTS to Lubuntu Vivid (15.04?). sudo init 6 doesn't work because init doesn't exsists. Using the Reboot or Shutdown button doesn't work, too. Even Ctrl+Alt+Del doesn't ...
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0answers
40 views

Mute sound on shutdown and reboot scripts not working

I have a working script that mutes my sound. The script is: amixer -q -D pulse sset Master mute I want to let this script run on shutdown and reboot so that when I turn on my PC, the sound is ...
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54 views

Boot/reboot ubuntu 15.10 system only shuts down

Boot/reboot ubuntu 15.10 system only shuts down; no inlog possible; tty1 screen does not work and system hangs; is there a solution for this problem?
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1answer
66 views

@reboot works with command but not script - Cron

So I am trying to run a script as a specific user @boot. I have come across using @reboot in conjunction with crontab. I have found that @reboot is supported by both the user and root via @reboot ...
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1answer
157 views

System boot problem on upgrading from 14.04 to 15.04

I had Ubuntu 14.04 installed on my Dell Latitude E5440 which I upgraded to 15.04 through the usual regular system updates that keep popping up from time to time. After the update process, system was ...
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2answers
41 views

Schedule a Restart for Google Chrome

I am currently working on a project using Ubuntu 14.04 at an airport that allows passengers to view a map of the United States. The map shows a live feed of the flights (both incoming and outgoing). ...
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22 views

Reboot without reason

Yesterday, my laptop did reboot 2 times. How can I detect in ubuntu if there is an internal error? I have it for almost 10 years. Should I start thinking about buying a new one?
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1answer
20 views

Can't reboot after installing new ubuntu

For some reason I cannot boot my computer I have two different Ubuntu installations in my grub (version 2.02 beta2-15ubuntu0.1) I have the 3.16.041 generic Kernel and 14.04.2 LTS but idk much about ...
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1answer
44 views

SSH terminal locks after remote reboot

Whenever I am remotely logged into another machine and I type: sudo reboot The terminal locks up for a significant period of time. So far the only solution that I've come up with is this ...
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1answer
274 views

Ubuntu 14.04 randomly freezes after long periods and fails to reboot automatically (crontab)

For some time now I've been having problems with my ubuntu 14.04 installation on my assembled pc. The main component is the motherboard, an ASRock Q1900M Pro3, 4gb ram, and two pci sata controllers. ...
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2answers
735 views

ubuntu won't shutdown or freezes at splash screen

I am using ubuntu 14.04 64 bit. The problem I am facing is, I can not shutdown my machine. Every time I shutdown or reboot the computer (both from terminal and GUI) it get stuck at boot splash screen ...
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127 views

Ubuntu 14.04 randomly rebooting

My Ubuntu 14.04 always reboots randomly. I have it in dual boot with Windows, which is totally stable. I don't know what to do to fix this, hope anyone can help me. This was the last time it rebooted ...
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1answer
81 views

Running a jar file at boot with cron and seeing output

I'm setting up a jar file to run at boot. I have a script to run it with, and that script is configured to run at boot in using @reboot in cron. I have a bare CLI interface for the moment, with no ...
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0answers
56 views

Two processes (top and irssi) should run in screen @reboot (via crontab). One does, the other does not?

This is in my crontab: SHELL=/bin/bash PATH=/usr/sbin:/usr/bin:/sbin:/bin @reboot (/bin/sleep 60; /usr/bin/screen -dmS irc /usr/bin/irssi) > /tmp/irssi.log 2>&1 @reboot (/bin/sleep 60; ...
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1answer
118 views

How to check if installing a package will require a reboot?

I often install packages and updates for them, although sometimes it is not convenient to do a reboot if one of the packages needs it, so is there any way of telling BEFORE installing the ...
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0answers
18 views

ubuntu and rebooting with root users logged in?

so I recently ran into an issue at home, I have an ubuntu machine that I've configured to allow a central machine to login as root with an ssh key, I'd logged in from terminals A & B and connected ...
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0answers
37 views

Grub does not load on reboot

I just installed Ubuntu 15.04 on my Dell XPS 13 2015 (non Developer Edition). When I do a soft reboot, the computer does not start -- it displays the Dell logo and does not proceed further. (It it ...
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1answer
60 views

How to disable boot menu?

Sometimes, when I reboot the dirty way, I get a menu (black screen, grey letters) . This is asking to choose what/how I want to launch Ubuntu (very sorry I dont remind which modes). How is it ...
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9answers
2k views

When is it necessary to reboot an Ubuntu system?

Under what circumstances is a reboot of an Ubuntu system necessary? I often read in answers that after changes in the system the system is to be restarted, but is that absolutely necessary?
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196 views

Computer boots right into asrock uefi setup utility

I'm not sure what happened to my computer but when I reboot now it boots straight into the asrock uefi setup utility. I checked the boot menu and Ubuntu is selected as the only boot option. I ...
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1answer
108 views

Unable to reboot and/or shutdown?

wait-for-state stop/waiting *Using makefile-style concurrent boot in runlevel 6 Can't open /etc/init.d/.depend.stop: No such file or directory I recieve this message upon a reboot and/or shutdown ...
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2answers
74 views

Xubuntu taking a minute plus to shut down for reboot

This seems too long to me, and longer than I recall when I had a Mint boot. I am currently dual booting. Is this normal? If not, what might be the cause?