Ubuntu :: Disable Frequent Disk Checks In Lucid?

May 11, 2010

Since upgrading (fresh install) to Lucid, I've been having to go through disk checks about once or twice a week on boot. I'm not sure why Lucid thinks it needs to check my disk so often. I looked into it a bit, and found a command that was supposed to stop disk checks happening so often.

Code: sudo tune2fs -i 2w `mount | awk '$3 == "/" {print $1}'` is supposed to set it to 2 weeks. I used "/home" too as I have home on a separate partition and didn't want that to be checked too. All was fine until I booted up to find another disk check today. It can sometimes take over half an hour to finish and C to cancel doesn't always work either.

I always shutdown cleanly, unless Ubuntu completely locks up, which happens maybe once every six months (although it did happen yesterday, but I have rebooted it a few times since then with no checks happening until just now). Is there a way to just disable checks completely? I wouldn't mind running them manually every now and then, I just don't want to do it as often as Lucid does.

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Ubuntu :: How To Disable Boot Time Disk Checks

Aug 1, 2011

These days I see the disk check that is popping up when my Ubuntu is booting up quite frequently. It says 'press C to cancel' but C (or Shift C or CTRL C or CTRL ALT C) does not have any effect. Pressing CTRL+ALT+DELETE reboots but again ends up in the vicious loop of disk check. How to bypass it? When I need to critically enter the desktop for an urgent pressing info waiting for 20 to 25 minutes disk check is kind of difficult.

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OpenSUSE Hardware :: Hard Disk Frequent Head Unloads - Disk Clicking Whilst Idle?

Jun 2, 2010

I created a thread about a problem a I had with my hard disk clicking whilst idle little while ago and I may now have stumbled upon a possible solution. The strange thing with the problem is that Ubuntu/Kubuntu didn't cause this problem but Opensuse 11.2 does.

I installed Fedora 13 to have a glimpse of what all the fuss was about and noticed that I had the same problem (hard disk clicking whilst idle ~ every 20 secs or so). Now there's a wiki on this subject and a few bug reports: [url]

Problem Description

Some ATA harddrives perform very frequent head unloads under Linux significantly shortening their lifespans. Root cause

The inactivity timer for head unload is configured too aggressively either via ATA APM (Advanced Power Management) feature or other non-standard means. Such aggressive settings are very fragile to changes in IO pattern and under Linux many such drives unload their heads only to re-load them shortly. Note that this relentless unloading/reloading cycle can also be triggered under Windows by installing programs which can alter the IO pattern (e.g. certain vaccine programs which runs in background).

Now two of the listed models with this problem are basically identical to my model (Dell Inspiron 1520) and basically share the same hardware: Dell Vostro 1500 and XPS 1520.

The workaround listed is to:

set APM to 254

Furthermore, there is a script: Storage-Fixup which can also be downloaded from opensuse software search. Indeed there is a report of this for a Vostro 1500: Gmane Loom

The report suggests looking at: Disk Power Management - openSUSE which lists a method to create a configuration file to management disk power management:

My question is whether I could download the storage-fixup rpm [url] has a description of it and it can be found: Software.openSUSE.org) and install it to (hopefully) solve the issue or should I follow the method given in: Disk Power Management - openSUSE

to set APM to 254:


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OpenSUSE Hardware :: How To Disable Filesystem Checks On Boot

Mar 12, 2010

How to diasable filesystem checks on boot?

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Ubuntu :: Hard Disk With Frequent Head Load/unload Cycles (10.04)?

May 15, 2010

I have a problem in Ubuntu 10.04. The bug is well know which makes the hard disk head to park often (2-3 times per minute) that's dangerous for the drive in the long term and annoying for me (click-click-click).I found out the "ugly-fix" for old Ubuntu version which was :hdparm -B 254 /dev/sda instead of 128. It works. The problem is that it doesn't remains (when restart/standby/ac connection-disconnection).I found a script well known too :Code:1) make a file named "99-hdd-spin-fix.sh". The important thing is starting with "99".2) make sure the file contains the following 2 lines (fix it if you have PATA HDD):

hdparm -B 255 /dev/sda
3) copy this file to 3 locations:


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Ubuntu :: Disk Checks During Boot Without Any Apparent Reason

May 21, 2011

I've been an Ubuntu 10.04 64 bit user for one year. My Ubuntu distro is installed on an ext2 file system. Occasionally, I experience disk checks during boot without any system freeze or power loss.Sometimes, once reboot, the system works fine but Evolution Mail requests a new account, as if it was used for the very first time.Does anyone know how to fix this problem?

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Ubuntu :: No Progress Indication When System Checks Disk(s) On Startup

Jan 21, 2011

Ubuntu 10.10 does not appear to have an indication of progress when the system checks HDs on start up. In previous versions - at least back to 8 - I think there was either a
progress bar or % reading to give an indication of progress of the scan / check .Is it possible to switch this back on in 10.10?Also how do you control the frequency of disk checks on start up?

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General :: Safe To Tune2fs Mounted Volume To Prevent Disk Checks At Reboot?

May 12, 2010

I have some large volumes that I don't want to automatically be e2fsck'd when I reboot the server. Is it safe to change maximum mount count to -1 and check interval to 0 while a volume is mounted, or will that cause problems to the file system?

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Ubuntu :: Disable IPv6 In Lucid?

May 4, 2010

Okay so on WebUpd8 website, (url), I found a way to disable IPv6 and I was hoping to get a little more of an understanding of if I should or not from comments there, but unfortunately I haven't gotten enough to say let's do that. So I figured I might get a better understanding on here.

I am not very familiar with IPv6, but to my understanding its a newer thing that's rarely found currently with ISPs, but can be a security issue now.

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Ubuntu :: Disable GDM/Graphical Login In Lucid?

May 8, 2010

It used to be that this was a service that could just be disabled in System>Preferences>Startup Services, but this is no longer the case it seems. I've tried tinkering with the runlevels in gdm.conf, but haven't had any success with it so far. I've tried commenting out the startup code in the gdm.conf as well. Also no luck.

Most of what I've found are older guides for Karmic and earlier, so if anyone has a more up-to-date solution for how to disable the gdm so I can auto-login to a terminal in Lucid

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Ubuntu :: Disable Sound When Lucid Boots Into X?

May 12, 2010

I would like to disable the start up sound when Lucid boots up and enters X. I have already unticked:

System, Administration, Login Screen: [ ] Play Login Sound

Yet I still get the login sound.

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Ubuntu / Apple :: How To Disable Lucid Upgrade

May 22, 2010

I've just installed Kubuntu 9.10 on a friends powerbook g4 and it's running wonderfully. I don't want to upgrade to Lucid, I tried it and it ran not so good on this computer. How can I tell it to stop offering to upgrade to the next release? (I only want the automatic upgrade notification to appear for normal upgrades and not include Lucid, or have Lucid option to appear at all).

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Ubuntu :: How To Disable Touchpad In Lucid Lynx

Jun 13, 2010

I don't know how many has had this problem, but I understand I am not the only onehe problem is that after using synclient to disable the touchpad in 10.04 it would enable itself, seemingly, at random.Well, what I found was that unchecking the "Disable touchpad while typing" feature in "System->Preferences->Mouse->Touchpad" will fix the problem.Apparently the system does not recognize that the user has deliberately disabled the touchpad. And so it will reenable it when the user is "done typing".

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Ubuntu :: [Lucid] Disable Services In Upstart?

Jun 27, 2010

I recently discovered upstart is launching sshd on my machine even though I disabled it with `sudo update-rc.d -f ssh remove`. I tried to find a way to prevent upstart from launching ssh by default, but the best I can think of is removing /etc/init/ssh.conf (I just uninstalled openssh-server).I'd like to disable it without doing this, though. This would make it easier to enable sshd when I need it

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Ubuntu Servers :: Disable Ctrl-alt-del On Lucid Server?

May 11, 2010

I would like to disable the ctrl-alt-del feature for a Lucid Lynx server.
i found some info on how to enable this in desktop environments, however nothing explaining how to disable it for a server.

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Ubuntu :: [Lucid-Lynx] Disable GNOME Autostart?

Jul 11, 2010

How can you disable GNOME autostart in lucid, so it can be started only when i need it?

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Ubuntu :: Lucid Canonical Method To Disable Services?

Jul 19, 2010

Until Karmic Koala I could enable/disable services at startup (such as ssh or mysql) by issuing a update-rc.d -f someservice remove. On reboot, it would no longer run, and I could re-enable if necessary by, for example, running a update-rc.d someservice default.

However, it seems that now in Lucid Lynx this no longer works. For example, if I do a nmap localhost I can see that the ports for the respective services are open, therefore I assume they are likely running (which an attempted access confirms). For example, if I do a /etc/init.d/ssh stop, the ssh service is respawned. I've found that service ssh stop or initctl stop ssh effectively stops the service (i.e. it is no longer "respawned" if "killed"). But so far I haven't found documentation that conclusively indicates how to disable the service start on (re)boot.

So I ask you, what is now the currently "canonical" or "standard" way to enable/disable these services (particularly ones such as ssh or mysql) from starting on boot on Ubuntu? I'd like to avoid having to remove the respective packages if possible (as some posts suggest), since in some occasions I'm interested in manually running those services -- therefore, having to install/uninstall packages is impractical.

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Ubuntu :: Disable Center Mouse Paste In Lucid?

Mar 29, 2010

Anyone know how to disable the shortcut to paste using center button in Lucid? This is really really frustrating for me.

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Ubuntu Multimedia :: Disable 3D (dri) In Lucid / Switch Off 3d Dri On Laptop To Save Power?

Jul 25, 2010

I want to switch off 3d i.e. dri on my laptop to save power. There is a bug in the intel video driver that makes it generate excess wakeups and thus increase power consumption. I don't use 3d so this is very annoying.

I have tried modifying /etc/X11/xorg.conf to insert an "NODRI" option in the "Device" section and have commented out both of the "load dri" commands in the "Modules" section. No go. When I look in the xorg log, these changes are seen but not acted on. The system appears to have hardwired defaults set somewhere which are difficult to override. It appears to be a new issue because with Karmic one still had control with xorg.conf.

Just generally I don't like changes like this because it is not documented on the wiki where and how to change the defaults in Lucid. Linux was supposed to be easily configurable so IMHO this is a step backwards.

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Ubuntu :: How To Disable Thumbnails (Cached On Disk)

Jul 23, 2011

Apparently, Ubuntu (and Xubuntu) keep copies of all thumbnails ever loaded, cached in ~/.thumbnails. To me, this is creepy and can be bad from a security standpoint. Is there any way to have all thumbnails loaded on-the-fly, but not to have them ever cached on disk? I tried symlinking ~/.thumbnails to /dev/null, but this disabled thumbnails entirely.

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Ubuntu :: How To Disable Auto Disk Check When Boot From CD

Jan 19, 2010

I have a custom modified Ubuntu LiveCD. Sometimes when I boot from the CD, after it detects the HDDs it starts automatically scanning and repairing them even if the partitions are windows partitions. What do I need to modify to make it not scan/repair any partitions/drives at boot?

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Ubuntu :: Disk Check On Every Boot On Lucid?

May 26, 2010

I have updated from Karmic to Lucid not long ago, and everything went smooth and my system is been working like a charm for about a month. And it still does, with the only issue being that every time I restart my system, one of my partitions is checked.

My disk is split into 4 partitions:
sda1, NTFS for windows
sda2, ext4 for "/"
sda3, ext2 for /home
sda4, swap

Now what seems to happen is that sda3 is being marked as "not clean" on every shutdown, which makes me assume that is not being umounted at all.

I've been reading logs, commenting network drives out on fstab.. nothing does the trick.

I've booted into single mode and run e2fsck (which doesn't find anything wrong, and marks the FS as "clean") and then rebooted. The result is: if the FS wasn't mounted when I restart, then I get a clean boot once, but it is checked on the following one; if it was mounted then it is again checked at start-up.

Again, all points to the problem being that the FS is not cleanly umounted on shut-down.

I could not find any log with info of the processes killed and FS umounted at shut-down, so if anybody knows where to look, it could be a good start.

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Debian Hardware :: How To Disable DMA For ATA Hard Disk

Jun 14, 2011

I have old hard disk with broken DMA. When linux boots, it tries to enable DMA, fails, tries again... It tries to enable DMA several times, then disables DMA and boots. But it tries to enable DMA for nearly 3-4 minutes. How can I say linux to not try to enable DMA for this hard disk? System is installed on another hard disk that works great. Old hard disk is used only for not frequently used data.

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Ubuntu Multimedia :: Brasero And Lucid - Cannot Do Disk Copy

May 2, 2010

I'm running Lucid RC with all updates and Brasero 2.30.0. I can't do a disk copy with this program. It gives me an error that not all libraries are installed. It first gave an error that cdda2wav was not installed but that is not true and now I get this general error. I'm installing K3B as we speak but I prefer to keep a straight Gnome installation.

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General :: CentOS - Disable Disk Check In Mounted USB Drive?

Aug 6, 2010

Is there a way to disable disk checks in a mounted usb drive? I have a 500GB usb mounted drive in my CentOS machine and everytime I reboot my system, it does disk checks which is a long painstaking process.

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Ubuntu :: Lucid On Samsung NB30 - Slow Noisy Disk Access

May 2, 2010

I have installed Kubuntu Lucid on my Samsung NB30 netbook. Got everything working, but the disk access seems extremely slow and noisy. Whenever larger files are being processed (software installation), the disk makes a kind of rattling sound - looks like the head is moving back and forth between two or more locations. The disk seems o.k. so far - no io errors under Linux and Windows XP boots without problems.

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Ubuntu :: Lucid-Disk 1 Of 2 Failed - Now GRUB2 Chokes On Dual Boot

Jul 20, 2011

Dual boot PC, boot disk and WIN XP are on good disk, Ubuntu was installed on failed disk. (I prefer separate disks for each OS).

I know I will need to reinstall Ubuntu later, and of course, GRUB2 now crashes without the Ubuntu disk.

Confirm that the only thing I need to do when I get the new drive installed and partitioned is to boot my XP disk in Recovery Mode and type "fixmbr", (then reboot to confirm clean WIN operation on the existing disk) then install Ubuntu as normal on the new disk.

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Ubuntu :: Frequent Segfaults In Various Programs

May 31, 2010

In LMMS, pretty much any time where pressing a key or button is supposed to do something, it can crash. Regardless of what made it crash, it always dies in the exact same way: The window just disappears, and I get the line "Segmentation fault" in the console. Usually it crashes within 15 minutes of normal use. Not even 6 hours after I downloaded the program, I had given up trying to use it. Over the next week, a couple other programs crashed with segfaults.

Most of them only crashed once (among those was Firefox). So, of course, I'm now beginning to think that maybe the problem is not with LMMS, but rather with Ubuntu. I've had very little luck getting most of these programs to crash a second time, but I did find reliable ways to reproduce the crash in LMMS and Golly, so I got debug logs of those (with backtraces and steps I took to reproduce):

What I did to make LMMS Crash:
1. After starting LMMS, created an instrument track using the Oh Synth preset (under LB302)
2. Opened the tool window for the track.
3. Dragged my cursor back and forth across the keys on the virtual piano at the bottom of said window to play them.
4. Within 3 seconds, it crashed.

Starting program: /usr/bin/lmms
[Thread debugging using libthread_db enabled]
[New Thread 0xb7d62b70 (LWP 4674)]
[New Thread 0xb2c18b70 (LWP 4677)]
[New Thread 0xb2417b70 (LWP 4678)]
[New Thread 0xb195ab70 (LWP 4680)]
[New Thread 0xb1159b70 (LWP 4681)] .....

What I Did to make Golly Crash:
1. After starting Golly, loaded the example file "Still-Lifes/eaters.rle".
2. Alternated between Space (Next Generation) and Ctrl+Z (Undo), holding each for about 1 second.
3. Within 15 seconds, it crashed.

Starting program: /usr/games/golly
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x080fd47c in UndoRedo::RememberGenFinish() ()
#0 0x080fd47c in UndoRedo::RememberGenFinish() ()
#1 0x080f855c in MainFrame::NextGeneration(bool) ()
#2 0x081124f5 in MainFrame::OnMenu(wxCommandEvent&) ()
#3 0x00621a9f in wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const () from /usr/lib/libwx_baseu-2.8.so.0
#4 0x006c0379 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0 .....

I've tried using different governors for CPU (Conservative, Ondemand, etc.), and these crashes continued to occur. I also tried using a different kernel to no avail; the crashes occur both on 2.6.32-21-generic and 2.6.31-17-generic. How to fix whatever's causing these segfaults.

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General :: Frequent Crashing On Ubuntu 10.10 / Fix It?

Jan 17, 2011

First post here, some really useful information on the site especially for a Linux newbie like myself.

I installed Ubuntu 10.10 after Vista on a Compaq desktop not dual boot and with a completely blanked HDD, which although not the most powerful of desktops has an intel pentium dual core processor and a decent enough graphics card, enough to surpas the system requirements for linux anyway. After installing there has been alot of freezing, particularly when loading alot of programmes. It either freezes the screen completely so I cant do anything whatsoever and have to turn the computer off manually, or flashes a blank screen then goes back to the page I was previously on. However when it does this, the mouse works, but nothing responds, no keyboard shortcuts or anything. I have a feeling it may be the computer not the OS.

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Ubuntu Installation :: Lucid - 250GB Sata Hard Disk Not Detected By Partitioner

May 1, 2010

The hard disk is seen in the BIOS.

The partitions on it are accessible via the Places Menu on the Lucid Live CD.

It's just when I try to install, nothing is detected in Step 4 of 8, "Prepare Partitions".

An old 80GB IDE disk, on the other hand is seen by the partitioner.

I am not using RAID and it is not enabled in the BIOS.

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