Ubuntu :: OK To Use Forced Shutdown Regularly?

Sep 1, 2010

Background you can skip: I have an old Dell laptop, an Inspiron 2650, which I use primarily as an internet terminal at home. I have switched back and forth between XP and different Ubuntu releases, and Lubuntu is what I am running with now. At some point I upgraded and the hardware support for my laptop broke. I have done multiple clean installs, and using any 10.04 Ubuntu distribution I have to disable ACPI in the Grub settings, or else my mouse and kb will not work. So...

Question: Since the OS shutdown feature can't turn off the laptop power with ACPI disabled, I often hit the laptop power button and skip the shutdown process entirely. Most of the time I am only running Chrome, so I am not worried about losing or corrupting local data. Is there any valid reason why this would be a problem? Does the shutdown process do anything important enough to justify the hassle?

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Ubuntu :: Forced Shutdown, Now Freezing On Startup Screen?

Sep 9, 2010

I have a Toshiba Laptop Satellite L355-S7905 Intel Celeron Processor 585 @ 2.16 Ghz, Mobile Intel GL40 Express Chipset. 4GB of Memory, 160 GB HD. Tri-boot: Windows 7, Unbutu 10.04 and Fedora 12.

Here is what happened: I had a hard/forced shutdown while using Ubuntu 10.04. Some warning text flashed on the screen before it went blank and I could not read it. Now when I turn on my laptop it freezes on the Toshiba set up screen. I can not go to the F2 setup, I can not go to the F12 boot seqence and I can not use F8 safe mode. Also the ESC button had no effect.

I have tried turning it on with the Win 7 cd in the drive but nothing. The same when I put my Ubuntu 10.04 cd in the drive, nothing. My guess is that the forced shutdown messed up the bootfile/grub order. The harddrive runs for a few seconds then stops. Should I attack the problem from a Windows view point or a Ubuntu view point?

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Ubuntu Installation :: Cannot Load LiveUSB And Slow Boot After Forced Shutdown

Mar 30, 2011

I experienced what i perceive as the craziest thing during 2 years of using ubuntu. About some months ago, I have two ubuntu installed on my HP-mini netbook: ubuntu 10.04 64 bit (CAElinux) and kubuntu 10.04, and run without problem.

One day, the netbook's battery run out of charge and I forgot to plug it in. The ubuntu, as usual, went to hibernate, but without harddisk noise, so I forced it to shutdown by pressing power button (as i think it is not normal). What happened later was the partition of 10.04 was broken, it could not boot, it even affected another partition as the netbook couldn't boot kubuntu 10.04.

I try to run liveUSB and CD of both distro and the liveCD/USB boot stopped on loading screen. So I try another linux distro: PCLinuxOS, which was able to boot but took very long time. The partition of ubuntu 10.04 could not be accessed.

After installing PClinuxOS in replace of kubuntu, I scanned the ubuntu 10.04 partition and the partition was fixed, I could access the partition and could load to ubuntu 10.04, but it took very long time. Here how it loaded: first: blank screen with blinking cursor, then ubuntu load screen, then back to blank screen with blinking cursor, then it showed numbers and sentences, like some scanning works. It took long time before login screen appeared (about 10-15 minute, while the prevously normal boot time in my netbook was less than 1 minute), but once its done, the ubuntu worked normally. This also the case in the PClinuxOS and the reason it load very slowly.

After this, I try to boot the liveUSB of various linux distro, and found some could boot while the others not:

Able to load with unusual slow boot time:
PClinuxOS (latest)
Ubuntu 8.04
Fedora (latest)
Linuxmint 8 (based on ubuntu 9)

Can't load
ubuntu 10.04 and 10.10
kubuntu 10.04
latest linuxmint

The liveUSB boot could take 1 hour. I also try the latest Puppy, Gentoo and OpenSuse liveUSB but it couldn't boot, and it likely the liveUSB problem. I made the all the liveUSB with unetbootin. The ubuntu 10.04, 10.10, kubuntu and the latest linuxmint could not boot even after I scanned the ubuntu 10.04 partition. There was no problem with the liveUSB as it would load normally on another computer. I think it is just the variant of ubuntu 10 that is not being able to boot.

I was not content on this slow boot, so I try to format the two partition of ubuntu and PClinuxOS (there are another partitions though), and installed ubuntu 8. But it also happened to boot slowly as the previous ubuntu. Then I replaced it with linuxmint 8, and the same occurred. So I try to install windows on another partition, and it boot normally.

The question is, what is happening. Why do the forced-shutdown-of-ubuntu-10.04 affect another partition, to the boot of another distro? If my HD was broken, the Windows would load very slowly too right? Yes, in SMART Data (from disk utility) it showed "few bad sector", but i think this is not related to the slow boot. The ubuntu 10.04, 10.10, kubuntu and the latest linuxmint cannot boot until this moment. I am thinking there are some informations planted on my computer, that twist it to load some distro slowly, and prevent it to load some others. But where and what? (I almost arrived to the thought that this is supernatural!)

Because of my long story up there (as I think it must be reported), the conclusion is:
1. Ubuntu 10.04 on my netbook was forced shutdown (by me)
2. It caused the partition broken
3. After fixing the partition (by scan, but I forgot the command), it took very long time to boot, but the ubuntu itself run normally
4. It also affected the boot of another distro (slow down the boot time), but Ms.Windows boot time is normal
5. It also caused ubuntu 10 (and its variant) to not be able to boot from liveCD/USB
6. It also caused me going crazy

Now im gonna format the whole HD in hope of ubuntu 10.04 (and later) could boot again, but shall it fix the problem? (as formatting the previously ubuntu 10.04 partition did not solve the problem). Or should I buy another HD (or even computer) to install natty!

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General :: Unclean Shutdown / Reboots - Check Forced On Start-up

May 23, 2011

unclean shutdowns/reboots. Whenever I boot/restart, I notice the message "/dev/hdb1 (and hdb2) was not cleanly unmounted, check forced." Then fsck(?) scans them without errors, and everything continues normally. FWIW, hdb1 @ hdb2 are ext2, /boot & /tmp respectively, whereas all other partitions are ext3. Could that (ext2) be why? I checked halt, reboot, umountfs, umountnfs.sh, and umountroot in /etc/init.d, and nothing jumped out at me, though I'm not exactly sure what I'm looking at/for.

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Apr 28, 2011

i installed ubuntu 10.10 remix netbook edition on hp mini 110 last day. my wifi is working fine its connecting every network only problem is it cant keep its connection constant, i mean it keep disconnecting frequently. once it disconnect i tried to connect again but it connects but i can not surf internet.

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Ubuntu :: Regularly Need To Copy Files From A Remote Computer?

Mar 11, 2010

I regularly need to copy files from a remote computer to wherever I am working. I've ben looking into alias and the .bashrc (or .profile in the remote computer - mac) Can I use scp in these files? I've tried:

Code:
alias='sch usr@location:'
then when in the local terminal:

Code:
sch path/file .
But this doesn't work.

Better would be copying when logged into the remote location, but I haven't figured that out in terminal yet, let alone an alias for it. Hopefully it'll be a quick solution!

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Ubuntu :: Netbook Remix Panel Disappears Regularly?

May 16, 2010

Since I upgraded from 9.10 UNR to lucid I am getting this problem regularly, every time a window is closed. See the two attached screenshots, one shows everything working, the second shows an instant and very regular disappearance of the panel when a window is closed. The panel process is actually active, both nautillus and maximus processes are working, the panel itself is not dead but is invisible, totally invisible until X is killed or the computer is restarted.Computer is an EEEpc 701 4GB, here comes lspci output:

admincho@eee:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04)

[code]....

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Feb 21, 2011

How to create a cron file that will regularly perform the following backups:
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b. Performs a level 2 dump one day per week
c. Performs a level 5 dump every day that neither a level 0 nor a level 2 dump is performed.
In the worst case, how many restores would you have to perform to recover a file that was dumped using this schedule.

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Mar 19, 2010

I have noticed my system time changes very often. Usually it's only by a minute or two.

If i'm watching date I see things like this :

$ date
Fri Mar 19 12:26:59 EDT 2010
$ date
Fri Mar 19 12:25:23 EDT 2010
$ date

[Code]....

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Apr 24, 2011

My wireless connection drops after a while when downloading torrents. I have to reconnect manually. Current configuration is Macbook Pro 5.5 with Broadcom card and Lucid. I've tried with Transmission and KTorrent. It's not a network problem as my Win laptop works smoothly and with higher transfers rates (i.e. 1MB/s in Win vs. 300KB/s at most in Ubuntu).

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Ubuntu Networking :: Wireless Connects Fine, Then Disconnects Regularly?

May 12, 2011

Wireless connects fine, then disconnects regularly. I thought it might be an issue with the rt2870sta driver, so I blacklisted it, and it uses rt2800usb now:

Code:
[ 13.625932] rt2870sta: module is from the staging directory, the quality is unknown, you have been warned.
[ 13.633139] usbcore: registered new interface driver rt2870

[Code]...

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Dec 10, 2010

I have installed a cluster computer with 10 nodes . The manufacturer is HP . All nodes and the master node have redhat enterprise linux installed in them . When I shutdown the nodes from the master terminal using "shutdown -h now" they get shutdown . But they dont get completely turned off . This issue bothers me when the power supply is given , all nodes boot up simultaneously generating a huge heat .

Thing to note : When we shutdown our PC they get completely turned off . When the power supply is given , a press on the Power On button is required to boot the system. But , why does it not happpen in the case of cluster? Is there any other way of completely turning off the nodes from the master terminal ?

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Jan 6, 2011

I've been a very happy user of Debian Squeeze (gnome) for a few months already.

Everything works great, but I am encountering an annoying, and regular problem: almost every time I update my system (through synaptic) and reboot, my desktop theme gets reset to the more "blocky" default gnome one.

What I do is run "gnome-settings-daemon," either as normal or super user, reboot, and get back my chosen original theme.

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Oct 20, 2010

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how can i take backup to my external hard disk

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Oct 7, 2010

On an OpenSuse 10.3 64-bit system I have installed an HP P2055dn printer. However, quite regularly the printer seems to have *vanished* from the system. It is still accessible through the network, but all settings have been lost when I turn on the system.

The printer has been set up using YaST with Direct TCP printing, using the Laserjet Series PCL6 driver. I've had the same setup on 3 different systems and each of them has had this problem occasionally, but this particular system has now had this same problem 3 or 4 times in two weeks.

Setting the printer up again is OC not much work, it's more a nuisance that I have to reconfigure it again and again and again.

why my printer settings are thrown out at random and what I can do to prevent it?

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May 12, 2010

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Ubuntu Networking :: Rt2870sta Driver - Transfers Slowing And Stopping Regularly

Jul 28, 2011

I have a tenda wireless adaptor running on 11.04 natty. The USB id is: 148F 3070

Using the already installed drivers rt2800usb it can connect to all 13 channels but is very flaky, transfers slowing and stopping regularly. The rt2870sta driver is a lot more stable, but it will only connect to channels 1-11, but I need to use channel 13 due to massive wifi congestion on other channels...

I've tried iwpriv but it says there are no ioctls for the device.

Is there any way to get the installed driver rt2870sta to scan and connect to channel 13?

I've also tried to install the latest drivers from the ralink website: rt2870sta says it can see all 14 channels, but fails to scan. I also tried rt3070 driver but I cannot insmod as there are errors...

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Aug 29, 2011

I have just upgraded from OpenSUSE 11.3 to 11.4, and now regularly about every 15 minutes my monitor display goes blank for a split second. My video chip is NVIDIA GeForce 6100.

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Nov 23, 2010

I am in kolkata zone, just bought the 3g sim and teracom-lw272 device. The problem is, its not activating regularly(its detecting, but some time, after Network Manager starts working, its failing ), and once its failed to get enabled, its unmounting the device all together....so i have to physically detach the usb device and reinsert. I have installed a rpm file that installed a script VKGEther....a small script file...but nothin else. Also, speed is very little(in [URL], it shows 0.1Mbps d/l speed) here some more info:

[Code]...

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Jul 30, 2011

Will this:

* * 1 1-12 * #dump -0uf /dev/st0/
* * * * 0 #dump -2uf /dev/st0/
* * 2-31 * 1-6 #dump -5uf /dev/st0/

answer this question?How to create a cron file that will regularly perform the following backups:a. Performs a level 0 backup once per monthb.Performs a level 2 dump one day per weekc.Performs a level 5 dump every day that neither a level 0 nor a level 2 dump is performed. If not, I'm I close? This is homework, so I don't want a direct answer

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General :: Samba Errors In Messages File Regularly?

Dec 14, 2010

I have a samba file server that has Windows XP machines connecting to it. Fairly regularly, I get messages such as the following. Are these anything to worry about? What do they mean? Nobody ever has problems with disconnecting or losing their mapped drive or their desktop shortcut not working.

Code:
Nov 15 15:37:21 servername smbd[27516]: [2010/11/15 15:37:21, 0] lib/util_sock.c:read_socket_data(384)
Nov 15 15:37:21 servername smbd[27516]: read_socket_data: recv failure for 4. Error = No route to host

[code]....

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Jan 5, 2011

I am trying to set up an automatic backup using rsync and a publickey SSH, which requires using an empty password on the private key. I would like to lock down the key on the server so that it can only run rsync, but my attempts to use a forced command (or any other option such as no-port-forwarding) do not appear to have any effect when I run ssh -v.

I am currently debugging using the following line in ~/.ssh/authorized_keys

Code:

But when I connect, it opens up an interactive command prompt and does not display the "goodbye world" that I expect.

I am running an OpenSSH server on Ubuntu 10.04

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Apr 1, 2010

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Ubuntu Servers :: Forced Fsck Hangs On Reboot?

Jan 12, 2010

I am running 9.04 Server (standalone). It had been running fine since I installed in last autumn. Upon reboot, fsck of the root filesystem was forced and it hangs at the same point (16.5%) every time. I was able to break out somehow with cntl-alt-del but the boot was to a read-only filesystem. So I couldn't disable the forced fsck. Instead, I tried to fsck there. It started, but hung. I couldn't do e2fsck -v as it needed the device and, although I worked on UNIX systems for decades, I am not familiar with the /dev/mapper stuff.

Looking at other threads, all involving the desktop GUI Ubuntu, I tried some of the suggestions. Went into the BIOS to see what I could disable. I killed the serial port and similar. (Some said that onboard modems interfered with the checks in /dev.) I also tried to boot from my original installation disk. That does work.The suggestion is to choose "Try without any change to your computer". The problem is that is not available on the server installation, apparently only the desktop (GUI). I had install, check CD for defects, test memory, boot from first hard disk, and something like repair or recover a broken disk. I started the last of them, as it seemed to be the only option. It failed because it couldn't get a dhcp address. I could manually configure it (as it is hard addressed anyway), but I didn't want to start screwing up configurations not knowing where it was going, whayt it would ry to do, and risk losing months of hard work.

Without help, I think I will be forced to install the OS on a second drive, use that install to fsck the original filesystem on the original disk, edit the fstab (or whichever has the config) on the original disk to disable fsck, and return to the original boot.I am building this server for a nonprofit and have put in many hours writing mysql/perl apache cgi code for them as a free service and hate to lose it all and set back everything.

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Ubuntu Multimedia :: Can't Install Nvidia Drivers Forced To Run In Low-res

Aug 27, 2010

10.04 64-bit
+
NVIDIA GeForce 8500GT 256MB

So I kind of had ubuntu working, but then I tried updating to the newer nvidia drivers and I broke it. I had to uninstall/purge nvidia so as to get ubuntu past the black screen/no signal to monitor...

I had been using a "Broadcom B43 wireless driver" which used fwcutter to extract firmware from various source files. I have never been able to get this install working with nvidia drivers and am about ready to try anything (including yet another reinstall).

**Nvidia drivers 96, 173, & current cause my system to freeze, lock up, reboot, fail to boot, etc. You name it and it's happened.**

I tried using synaptic, jockey and the terminal to install nvidia drivers. Then I tried adding the swat ppa and installing through System-Admin-Hardware Drivers to no avail.

Every time I start my PC it displays this window.

And when I open Hardware drivers this is what appears.

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Oct 16, 2010

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May 25, 2011

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Mar 23, 2011

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Jun 9, 2010

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May 12, 2015

I have three Toshiba S55 laptops running debian 8 or ubuntu 14.04 with Intel 3160 internal wifi cards.

In a heavily congested WIFI environment all these machines will regularly lose their associations with an ASUS RT-AC68U 802.11AC AP whether running ubuntu 14.04 or debian 8. The AP is 5 feet away.

I have upgraded the 3160 /lib/firmware to the latest available on the Intel website.

The association will generally be lost within 1 to 10 minutes. The behavior is very repeatable.

I have removed all networking tools except for wicd. However, the same behavior is observed using network manager.

If I plug in an rtl8812au based 802.11ac dongle the connection in identical situations lasts forever.

logfile around the problem time:

*** OpenVPN is often the first to notice the link is down

2015-05-11T12:30:07.105004-07:00 s55t ovpn-hitnet[9781]: TLS Error: TLS handshake failed
2015-05-11T12:30:07.105174-07:00 s55t ovpn-hitnet[9781]: SIGUSR1[soft,tls-error] received, process restarting

*** This always follows the failure reported by OpenVPN

2015-05-11T12:30:07.233906-07:00 s55t kernel: [30897.194045] cfg80211: Calling CRDA to update world regulatory domain
2015-05-11T12:30:07.233918-07:00 s55t kernel: [30897.195689] cfg80211: World regulatory domain updated:
2015-05-11T12:30:07.233918-07:00 s55t kernel: [30897.195691] cfg80211: DFS Master region: unset

[Code]....

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