3
votes
0answers
27 views

Output shutdown messages to multiple consoles

I have configured my system to direct console output on boot to serial and vga using kernel parameters. Serial is the last argument in the kernel parameters and will be the default used for ...
1
vote
1answer
65 views

Debian Wheezy rebooting instead of powering off

I'm having a weird issue with my Debian Wheezy desktop. When I try to shutdown the system (either from Gnome or from the command line with shutdown -h now) the computer automatically reboots. The ...
2
votes
0answers
53 views

Shutdown doesnt work

I've installed dwm window manager on linux mint 15, configured it and now shutdown doesn't work. I typed shutdown -P now in terminal, dwm closed successfully and now I'm seeing black screen with: ...
6
votes
3answers
1k views

How to shutdown Linux at a specific datetime from terminal?

It seems I can shutdown using sudo shutdown by specifying a time or minutes. Is there a way to specify datetime for shutdown?
2
votes
1answer
462 views

How to change Power button shutdown action

I use Mageia ver 4 Linux as server, without X started and without any user login-in during normal operation. This PC has a special card for measuring and control of other devices. This card has its ...
5
votes
3answers
208 views

Can I make the O/S drive READ ONLY and prevent metadata write back?

Sorry to ask a (probably) stupid question. I am a hardware designer struggling with provision of safe shutdown power to an embedded system. I am aware the Linux normally makes a heavy use of the ...
0
votes
1answer
108 views

Recover from ext2 filesystem corruption

I have a TinyCore (3.6) Linux distribution on a device of mine, which uses disk-on-module or compact flash storage. The filesystem is ext2. I have a LAMP stack on this device and I'm playing with a ...
3
votes
1answer
168 views

Rolling your own init: How to shutdown/restart?

After reading this answer, I thought it would be funny to roll my own init on Python, so I wrote this in /init-python. #!/usr/bin/python3 import os import subprocess # Make / writable! ...
1
vote
2answers
1k views

How to simulate unplugged network cable or down server?

I have simulated network latency with netem and It's great. Now I want to simulate unplugged network cable or when server goes down. I need this to make testing of my application easier and I couldn't ...
2
votes
1answer
137 views

Diagnose unplanned shutdowns

I have a problem with a server that is shutting down for some unknown reason. I check the logs each time it happens and cannot find anything of particular interest which would suggest why its going ...
31
votes
4answers
28k views

What is the difference between reboot , init 6 and shutdown -r now?

I just want to know difference between in reboot init 6 shutdown -r now and which is the safest and the best?
2
votes
1answer
112 views

How can I setup a system immune to abrupt poweroffs?

I have a system that boots from a solid state disk. How can I make it immune to improper shutdowns? I can also switch to a distribution having this feature. I can choose between Ubuntu, Redhat, and ...
2
votes
3answers
562 views

Ensure that loopback root and host are unmounted on shutdown

I'm trying to setup a Linux system that runs from an LVM-formatted image file. After some tinkering with the initramfs and boot options I managed to make it up and running by mounting the host file ...
4
votes
1answer
631 views

Using a APC Smart-UPS to shutdown a Ubuntu Server Cluster

I'm currently in the process of designing a solution to shutdown a two Ubuntu Server cluster that uses heartbeat and DRBD to replicate storage and offer a NFS share to some IP cameras. We want to ...
0
votes
0answers
188 views

A Reboot() command with failover

I'm implementing a Reboot() call in my application. It's an embedded application, so no console, keyboard or power switch. The Reboot() must eventually restart the system no matter what. Ideally, I ...
6
votes
1answer
229 views

How do DE's call ACPI functions?

Okay, first off, this is not a problem I am facing, but I would like to understand this better. If I wish to shutdown / reboot my machine from the command line I need to call: $ sudo poweroff $ sudo ...
7
votes
3answers
2k views

Shutdown from login prompt in tty

Suppose I boot a Linux machine without GUI. When it displays a tty login prompt, can I shutdown the machine with a keyboard sequence? Of course I could type in my username and password and then sudo ...
3
votes
1answer
773 views

How to check will my computer is going to reboot(or shutting down)?

When I send a reboot command(or shutdown) command to a Linux machine does it keeps that messages at somewhere and can I query it. I.e. I will send a reboot command and after that I will run another ...
8
votes
3answers
5k views

How to run a script with systemd right before shutdown?

What do I need to put in the [install] section, so that systemd runs /home/me/so.pl right before shutdown and also before /proc/self/net/dev gets destroyed? [Unit] Description=Log Traffic [Service] ...
3
votes
1answer
1k views

How to disable shutdown so that an important process cannot be interrupted?

What is the simplest way to disable or temporarily suspend reboot/shutdown when an important process is running? The process takes too long to finish and cannot be paused/resumed so I like to avoid ...
3
votes
3answers
1k views

Shutting down from X without a desktop environment

I have recently given up my Desktop Environment and am now only using a Window Manager (i3) and X. It all works very well and I do not miss much. Except for one thing: the shutdown button. I can now ...
2
votes
3answers
1k views

How to shut down or reboot a machine? [on different OSes]

What parameters do the "shutdown" command [or other command?] NEED, TO BE SURE that the machine reboots or shuts down for SURE? e.x.: version for Linux: # cat /etc/SuSE-release SUSE Linux ...
5
votes
1answer
648 views

Is there a way to control the delay before shutdown on low battery?

Is there any way to configure shutdown on critically low battery to give me a bit of time before actually shutting down? I've set GNOME Power Manager to shutdown on low battery (hibernating does not ...
8
votes
3answers
2k views

How can I set that only root + a given user can shut down my pc?

If I'm using Ubuntu 11.04, how can I configure it such that that only two users can shut down/suspend/hibernate my PC: the root user and one regular user?
12
votes
3answers
571 views

Why do we need the reboot function in different binaries?

Why do we need the reboot function in different binaries? shutdown -r and reboot Or do they differ in something?
10
votes
5answers
10k views

Stop program running at startup in Linux

How do I stop a program running at startup in Linux. I want to remove some apps from startup to allow them to be managed by supervisord e.g apache2
8
votes
5answers
2k views

On Linux, is there an rc.local equivalent for shutdown?

I've got a few commands that I run in rc.local so they are run last in the startup sequence. I would like to know if there is a similar facility for undoing the results of those commands at shutdown, ...