Ubuntu :: System Does Not Power Off Automatically?
May 13, 2010
I am in the process of installing Ubuntu 10.04 LTS on a Compaq Presario 5900Z desktop, circa 1999.
Because of a change to some IDE/SCSI drivers during 2008, no Linux distribution from the fall/autumn of 2008 onward will install on this system using their standard images, every distro I've tried to install this way would report I/O errors. There was a bug report filed on this at Launchpad some time ago. Running the images as Live CD's would work, but the actual install would always fail.
I began this by installing Ubuntu 7.10, then upgrading it to 8.04 LTS. The next step is to upgrade to 10.04 LTS.
When booting up, there is a console message that briefly appears that the BIOS (being from 1999) fails the cutoff (2000) and to enable ACPI, acpi=force must be added to the boot parameters.
The issue is when powering the system off, it will not power off by itself. At one time, there had been a different distro installed on this same system alongside Windows XP and both systems correctly powered the system off when shutting down. Ubuntu keeps the system powered on and I would have to hold in the power button for up to 10 seconds, until it powers off.
I do not know if simply adding acpi=force to the boot parameters will fix this, but I also do not know where to place this. The other distro used on this system actually came with a GUI interface that would allow for something to be added to the parameters. I cannot find anything similar in Ubuntu.
So, my questions are:
1. Will adding acpi=force properly turn the PC off at shutdown?
2. If so, where can this be permanently added to the boot parameters?
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Oct 29, 2010
It's all in the title : the network manager & power manager applets don't start automatically when I open a new GNOME session, although they are checked in the "startup application" dialog...
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May 4, 2010
I use an ADSL connection which I 'dial' using the Network Manager. My laptop is connected to the modem through an ethernet cable.
The thing is the place where I stay is prone for power failure. So the modem goes out with the power. It comes back on within a minute when the power is restored but Network Manager doesn't seem to automatically re-establish the connection after it is lost once. I have to manually do it. Hence most of my downloads do not get done.
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Jan 13, 2010
Will a Linux operating system lose data during a power failure as does a Windows operating system?
(If yes.) This has not come up before but I'm going to be doing some work I don't want to lose.
Could you either point me to a backup tutorial or give me the quick overview of preserving stuff with Ubuntu?
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May 6, 2011
I've got a problem with hibernating my laptop. It manages to copy everything to swap memory, but when it finishes, it won't power off my laptop. I have to manually turn it off (by pressing the power button for a few seconds). If I restart, everything is still there, so the hibernating itself works, but not the powering off part. My laptop is an Asus notebook K52F with Ubuntu 11.04 and Gnome 3.
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Jun 15, 2011
I've done a lot of search and already kind of fixed part of the problem, so this is where the fun comes in. I went away for the week, and not until the day I got back I lost power while out, and my computer rebooted after the power outage to Mac osx, which it's supposed to do as I'm using a Mac Pro and have a regular version of OSX 10.5 on there and my ubuntu server. I restart my computer and I get a few errors and my raid5(3 1tb drives) doesn't mount and says read only for everything else. I finally found a way to remount that raid which while in root I could create new folders and move folders, but only on that raid. I wasn't able to do anything with my boot drive. The weird part is, that now I can't ssh into the server and webmin won't even load. I'm still relatively new(little over a year, but honestly, not much has gone wrong to need to troubleshoot) to ubuntu server, so I'm not that best at troubleshooting it. I won't be home till later tonight, but any tips/tricks/ideas I can try when I get home would be great, or if you need any info, I can get it to you.
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May 7, 2010
Like this neighborhood. I just moved here from Suse. Was living a long time over at slackware but I'm here now.
Q: In suse if you click System in the menus in the top left hand corner all the power operations are there, reboot shutdown etc.
How do I do this on ubuntu - I really really don't like the thingy in the right hand corner...
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Mar 5, 2010
I'm running Ubuntu 9.10 otherwise flawlessly on a 2007 core 2 duo Macbook. Right now its set up to triple boot with OS X Snowleopard, Windows 7 Ultimate, as the other operating systems. I'm asking because I'm frequently having to force my system to power down after shutting down from Ubuntu, and I'm concerned that I could be corrupting files and damaging my hardware.
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Jun 8, 2010
I recently installed Lynx 10.04 amd64. Twice now, my entire file system has become unusable -- each time after a short power outage (2 seconds).
In the first setup, I had two primary partitions: 1) / that was ext4; 2) /home that was ext4.
In the second setup, I changed the /home to ext3.
Both times, after booting up following the power outage, I received a message saying that "serious errors" were found in /home. But, after several reboots, I was able to login and use the system. Then, some time later, I would started getting "Read Only" messages when trying to write to the file system.
fsck gave the following message: "/home terminated with status 4". I received numerous "I/O error" on sda messages.
My question: Is this vulnerability due to using ext4 or is it related more to something else in Lynx 10.04? Further, what can I do (other than buying a power backup device) to avoid my file system becoming unusable after a power outage?
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Nov 4, 2010
I have an Acer aspire notebook.graded from lucid and now I have a really big problem:every time i disconnect the ac-adapter from the pc, the system freeze completely, became unresponsive to commands and to sysrq. i need to phisically turn off the machine and then back on.
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Jul 29, 2011
I am very close to deploying Ubuntu 11.04 to my school and need to remove the access to the "System Settings" to the students. This is the last thing I want them to get at. I had 10.04 going but ran into other problems that 11.04 solved and allave left is this problem.I can lock them out of all those nasty options you don't want students to get to in a lab setting except for this
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Jul 31, 2011
Out of nowhere my computer will not boot up. I get the message like this
NMI received for unknown reason 29 on CPU 0.
Dazed and confused, but trying to continue
Do you have a strange power saving mode enabled?
NMI received for unknown reason 39 on CPU 0.
Dazed and confused, but trying to continue
Do you have a strange power saving mode enabled?
I read something about it being the video card, so I took my old one out which it being an ati, an replaced it with an nvidia.
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Mar 3, 2010
I Run Fedora 11 and i have problem after shutdown computer. My computer cant power-off, just show "System Halted".
PC Model : Compaq Presario SR1400CF Desktop PC.
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Aug 10, 2010
I'm going to reformat my external drives to get rid of the crud that I've built up. (Crud being incremental backups, windows software, and similar things.)(I also want to get rid of the FAT32 file system that they use.) These are USB 1TB drives. The theory is that data is written to it once, but read back a number of times. (I also burn that data to DVD. If there was software that could organize 5TB of data on DVDs, I'd be using them.)
I"m trying to decide whether to use ReiserFS, Ext4, or another file system. Basically, I want something that:
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* Can handle files that are 4+GB in size;
* Uses extends --- preferably without user intervention;
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Nov 21, 2010
when my monitor turns off after 30 minutes, I cannot do anything after. We're talking complete lock down of Ubuntu 10.04 64-bit. Not even alt+printscreen+REISUB reboots the machine; I have to do a hard reboot (which sucks and is hard on hardware).
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Sep 6, 2010
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A couple weeks ago, my separate backup server failed, so as a short-term backup I did a 'dd if=/dev/sda of=/dev/sdb' to make an exact copy of my Xubuntu install on drive A upon drive B (the former FreeBSD drive), then mounted /dev/sdb1 on /mnt to make sure it worked successfully. So far so good, but I still didn't set up any RAID stuff.
Several days later, I needed to reboot because of a security upgrade, and when I logged out, the GUI froze up. Thinking not too much of it, I restarted the system, and it came up fine. But the next day, I discovered that I was missing several days worth of email and recent files. In fact, everything had been reverted back to a state from several days earlier --- I think from the day I copied the first drive to the second one. Files I created in the interim were gone, and files I deleted in the interim were back. It was as if the first drive was 'restored' from the second one without my knowledge.
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I don't mind if it's suddenly decided to do RAID, but I want to make sure it's not going to 'restore' a more current filesystem from an older one again, if that's indeed what happened.
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Jan 20, 2010
Hi!
I've been frustrated with several problems I've been experiencing with Karmic Koala. The one I'll mention in this post is the fact that it randomly decides to adjust the system clock ahead 6 hours. I believe this began happening when I set the location for the system time that displays in the top panel. I'm guessing that the 6 hours is the fact that I'm in the US Central Time zone.
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Aug 10, 2010
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Nov 11, 2010
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Feb 19, 2011
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Apr 6, 2011
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Feb 17, 2010
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Mar 14, 2011
I am using Cent Os 5. I want that the system should shutdown automatically at 7:00 pm daily and next day I manually turn on the system.I have google it but the syntax is not clear.
I use # crontab -e
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0 19 * * * /sbin/shutdown -h now
I does't apply the command what is * * * after 19
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