Software :: Resetting Password - Inputs From Keyboard Are No Longer Recognized And Machine Freezes
Jan 20, 2010
This is regarding the PPC machine in our lab, the OS running is Linux. Since we dont know the root login and password, we couldn�t login to this PPC machine. We tried to login as using single user to reset the password however when we reach the single user prompt, inputs from the keyboard are no longer recognized and the machine freezes.
Make: Motorola
Model: MVME2604 PPC
OS: Linux 2.4
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Feb 14, 2010
I'm using an IOGEAR KVM Switch to switch between my newly built PC and Xbox 360. I've been using it for a while on my 360 with no problems, but to switch inputs you have to use a hotkey on a keyboard that is connected to the KVM switch (there is no button on the KVM switch to toggle between inputs). My KVM switch is compatible with Linux, but each time I plug in my Logitech Wired Wave keyboard into my KVM switch and use the hotkey it fails to switch the input. The hotkey is the Scroll Lock key on the keyboard, and the Logitech Wired Wave keyboard doesn't have a key dedicated to that function.
So I use the key combo for Scroll Lock, which is Fn + Pause/Break. I haven't mapped out all the keys on this keyboard yet, but I figured it should already be mapped out, since all the other basic keyboard keys are working. I managed to switch the toggle key from tapping the Scroll Lock key (combo) twice to tapping the Control key twice, after finally figuring out the manual's long and convoluted key combinations to change the input toggle key setting. If anyone else encounters this problem I would direct you to the Page 11 of the product manual, which is available at the product page linked to above.
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May 13, 2010
I installed Ubuntu with the netboot. I only installed the packages I needed. Concerning X, I installed xdm as login manager and fluxbox as window manager. All is working fine except that whatever I type under X (under xdm or, after logging in, under fluxbox) appears in tty1! The keyboard inputs appear under X and under tty1 (so usually after "login:", or hidden after "password:").
Let me provide you with more details. Starting from xdm, I cannot access to the other ttys. "ctrl+alt+F[1-6]" do not work. Actually, this is not entirely true: after I type "ctrl+alt+F2", all my keyboard inputs under X will be appear in tty2 (and not anymore in tty1). I can see that from /var/log/auth.log which has a lot of lines like this:
Quote:
May 13 10:15:45 data login[2182]: pam_unix(login:auth): check pass; user unknown
May 13 10:15:45 data login[2182]: pam_unix(login:auth): authentication failure; logname=LOGIN uid=0 euid=0 tty=/dev/tty1 ruser= rhost=
May 13 10:15:48 data login[2182]: FAILED LOGIN (2) on '/dev/tty1' FOR 'UNKNOWN', Authentication failure
These errors are due to the fact that tty1 receives a wrong login (something I typed under X, before pressing RET). BTW: If I connect to xdm using my password (instead of my passphrase, thanks to pam_ssh), then I login into tty1 at the same time.
I checked that X is running under tty7. "ck-list-sessions" returns:
Quote:
Session1:
(...)
x11-display = ':0'
x11-display-device = '/dev/tty7'
display-device = ''
remote-host-name = ''
is-local = TRUE
(...)
Under X, if I type "ctrl+alt+F7" and "RET", then X crashes and it is launched again. After this, all is working fine: the tty[1-6] can be accessed and the keyboard inputs do not go anymore to them when I am under X.
I face the same problem on two different computers (a desktop computer and a laptop). Notice that I face the problem even with pam_ssh not installed (I mentioned pam_ssh earlier).
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May 12, 2010
I am running Ubuntu 9.10 on an Acer Aspire 5920 laptop. For the most part it works well, but it seems to occasionally become mostly unresponsive (~1 / 2days). I say mostly unresponsive because I can still move the mouse, but I do not seem to be able to click on anything (either to open or close programs or windows, or interact with menus). The keyboard is also partially responsive. When I use my keyboard shortcut to get access to the Applications menu, the menu highlights and depresses as though it is opening, but nothing appears on the screen. I can eventually press Ctrl+Alt+Del to start the shutdown procedure (and the shutdown screen pops up with the 60s countdown).
But I cannot use either the keyboard or the mouse to select another option (Restart, Suspend, Hibernate, or even Cancel), nor can I select the Shutdown option to cause it to shutdown right away - I just have to wait the sixty seconds for everything to turn off. This seems to happen no matter what I am doing with no warning - browsing the web, playing a game, or working on a document. The only consistent thing is it only seems to happen when I have more than one program open and I am trying to switch between open windows.
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May 28, 2010
I upgraded from 9.10 to 10.04 LTS last week (32 bit, gnome desktop, no desktop effects). The system was quite stable before the upgrade (it's usually on 24/7 with uptimes in the dozens of days), but ever since updating to 10.04, the system loses all mouse and keyboard input at random times.
I can still ssh into the system fine and reboot it in an orderly fashion from a laptop, but I'd rather that it wouldn't freeze like this in the first place
I've tried service gdm start / stop from an ssh session to see if it's an xorg-related problem, but sadly that did not help in recovering mouse / keyboard input.
I also tried unplugging and re-plugging the ps/2 keyboard and the usb mouse, but sadly that also didn't help.
I don't see any weird messages in dmesg, so it's not a kernel oops either it seems.
I'm using the proprietary nvidia driver if that matters.
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Jan 8, 2010
hello i am trying to change my password, but when i type in the new password i get this:"The password is longer than 8 characters. On some systems, this can cause problems. You can truncate the password to 8 characters, or leave it as it is."my question is what kind of problem could i get and how can i change so i have to log in every time i start the computer?
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Apr 24, 2010
I was curious about the XF86Home shortcut for home folder, so I switched to Alt+Home. That's great, but just curious, how do you reset it to the default settings?There should be a configuration file somewhere, but anybody knows where exactly?
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Aug 30, 2010
I have forgotten my user password....HOWEVER I remembered the root password and am able, (after much fumbling about)to get into the machine. Is there a way of resetting my password? It obviously will not let me do so on the password-reset-screen as it requires the old password....
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Oct 5, 2010
I bought a ChemBook laptop which I have installed Ubuntu Linux on. It has an AMI BIOS. There is a password on the BIOS so I can not change its configuration. The laptop does not have a 3.5inch floppy. How do I reset or remove the BIOS password so I can access it and make my own changes and set up my own password?
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Mar 11, 2010
I have been using Nautilus file browser in my fedora 11 desktop to browse Samba shares of our servers. Let me explain my problem.
We have two users test1 and test2 who can access Samba shares for downloading and uploading files.
test1 has read only access.
test2 has read/write access.
When I initially connected to the samba share through test1 user through Nautilus file browser I clicked on remember password.
But now when I try to access the share again, its not prompting for password. It is directly taking test1 user's password who doesn't have write access to share.
How to get the password window back to fill test2 username and password.?
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Jan 26, 2011
Is there a way to crack the windows Administrator password in Linux (using the SAM file) WITHOUT resetting it?
Ok so Ive already got Ubuntu 10.10 on a usb bootstick. Chntpw is installed as well. What I'm wondering is are there any programs to crack as in decrypt the SAM file and show the password but not erase it? Most Linux programs Ive come across don't do this. They just reset the password.
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Aug 27, 2009
I have no fracking clue what my password is and I want to create multiple user accounts. I have no idea whether or not I need to re-install the OS or what..nor can I even begin to imagine how to do so without a CD drive..I should also note I didn't start her up myself.
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Nov 11, 2009
Owned linux laptop (running UBUNTU) for 1.5 yrs. Love it. No problems... until:
1. I changed my password, via System - Admin - User & Groups - Properties. (I just typed 2 characters on the end of the old User Password and the Confirmation password and OK'd it all.
2. Shut down laptop. Upon restarting it (only minutes later), neither the new pw or the old one worked.
3. Googled for help on another machine. Booted linux laptop up in recovery mode and used the passwd <?> command to reset pw (back to the original one!).
4. Shut down. Started laptop up again... forever more firefox runs like a dog. Normally (90% of the time) it times out before reaching a page, though it is trying to transfer the data.
Let's be clear about this. It was fine. The very next time I used firefox - minutes after the password debarcle, it was cac, and has remained cac ever since.
I've been whizzing around on firefox for over a year without any issues. There have been no changes to the router. My microsoft laptop has no issue with the internet so it cant be router or telco related. Though I did reset the router (power and phone line) just to be sure. It didn't help.
I clear the private data (Tools menu) in firefox regularly (daily-ish). That is the only housekeeping I do on this machine. (It only gets used for mail, internet and the odd simple OpenOffice document). There is stacks of space left (70 Gig). I'm not sure how to check memory.
Googled for help and tried some command to purge temp files. That didn't help.
I love my linux laptop, but currently I'm having to resort back to my windows one.
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Jun 9, 2009
We have a server for which the root password had been lost, and there were no other user accounts set up. Yesterday evening I attempted to reset the root password by booting from the install CD and using VI to clear the root password in the passwd and shadow files. I then rebooted, and the system has halted with an 'FSCK failed. Please repair manually and reboot' error, with a prompt to 'Enter root password' below. But of course the root password isn't known (I had expected it to blank after editing the passwd and shadow files, but it doesn't work), so I have no way of logging on.
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Jul 14, 2009
When I go to single user mode for resetting root password, It ask root pawssword for login.The message displayed on prompt is "Give root password for login.On the boot prompt, I select kernel and press 'e' and after one space type 1 for single User mode and then press 'b' for booting.It shows message entering in single user mode but ask root password. Even I tried into rescue mode, but I couldn't ser root password.In rescue mode on prompt, It shows rescue login: I typed root, But when typed 'passwd' foe resetting root pawssword,It shows message unknown user and not authetication.
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Apr 27, 2010
I needed to use Synaptic Package Manager to install an app, but the dialog box ("enter the Administrative Password") that pops up before you can use Synaptic doesn't recognize my password ("incorrect password). I tried typing it into a text editor and it's spelled right, caps lock not turned on or anything.
In Terminal, sudo recognizes it, and it is recognized when I log into Ubuntu. I'm the sole user, I have admin privileges, I've been doing admin things.
I just now did System > Administration > Users and Groups and got a dialog box saying
"Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See [URL] for information. (Details - 1: Server ping error: IDLmg.org/CORBA/COMM_FAILURE:1.0)"
Moving past that, I changed my user password, and Ubuntu authenticated it.
How do you launch Synaptic Package Manager from the command line?
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Nov 30, 2015
I am running Wheezy 7.9 32 bit, with the kernel Linux 3.2.0-4-686-pae, and Gnome 3.4.2 on an Intel Pentium CPU G3420 @ 3.2 GHz. I installed a new printer in August, an HP Officejet 7612 all-in-one printer/scanner/copier, and it worked perfectly as both a printer and a scanner first time, despite not being listed on the supported list in SANE. Two weeks ago, I got a general software update notification, and did the update. Now the scanner is not recognised. The printer still works fine as a printer, but when using Simple-scan, I get the error message "No scanners detected. Please check your scanner is connected and powered on". I have had a look round on Google, and all the suggestions made do not work.
I tried the suggestion to add myself to the scanner users list on my PC which made no difference (even though the scanner previously worked without my being added to the scanner users list).
I have deleted the printer and re-installed it using CUPS, but that still has no effect. I tried re-installing HPLIP also to no avail, and I have now lost the toolbox on the drop down menu under <Applications> <Accessories> <HP Toolbox>, as when I click on it, nothing happens.
It would seem that something in the update has messed up Simple-scan. Looking at the dpkg log (is this the right thing to look at?) for the date of the update, I cannot find anything which directly involved SANE, so I think that it might be something else which has affected SANE. How I can find out which update did the damage? I don't normally do anything except accept recommended updates, so I am a bit lost as to what to do.
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Jun 5, 2011
After running an update in my 10.04 installation, both cdrom drives are not recognized anymore and won't even open when i push the eject button. Also, a 2TB storage drive is not recognized any longer and the computer won't even boot if that drive is plugged in..
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Jul 14, 2011
I've made some progress (at first, the ipod wasn't seen by the system at all). I've removed what appeared to be conflicting usb mounting packages and that has allowed the ipod to be recognized by the computer (i.e. the name of the ipod show up on the desktop with an ipod icon and i can manipulate files with nautilus. however, before i upgraded to lucid, rhythmbox would start automatically and I was able to manage the music through rhythmbox. now, since the upgrade, rhythmbox does not detect the presence of the ipod.
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Mar 19, 2010
11.2, KDE4, 2.6.31.5-0.1-desktopx86_64 GNU/Linux, latest updates
Weird, but suddenly just recently my system stopped 'seeing' any blank media. I have burned all sorts till now without problems, from K3B, Lemonrip, Handbrake, growisoft on the CLI, etc. Some errant update, perhaps?
I have done some digging ... added my user to cdrom, added an entry in fstab (K3B didn't like it so I deleted it), wodim -scanbus tell me I have '1,0,0 100) 'Optiarc ' 'BD ROM BC-5500S ' '1.03' Removable CD-ROM' ...
It can, however, read written Cds and DVDs without problems.
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Feb 13, 2011
I try to access my ubuntu machine via my Windows Machine (Samba Server on Ubuntu Machine). Anytime I try to access the machine it asks me for my password...I enter it but it says it is invalid....is there anyway to reset it? I have already tried to remove and purge everything Samba related and then tried reinstalling, but that still didn't do anything
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Jan 27, 2010
My office has a box which is, by necessity, dual-boot WinXP/Slack. The Slackware I'm running there is -current, all great and fine. Until now... It turned out that my mobo, an ASUS P5KPL-CM, died after a power surge. Since the XP needs software activation, we replaced it for an exact copy of the mobo. After the change the box worked fine in XP, and I was able to connect to the network via the Ethernet interface. BTW, the Slackware version is Slackware-current, updated as of the Jan 9 update (after that I was no longer able to connect to the Net with Slack). However, in Slackware there was a problem: eth0 was no longer recognized. Using /sbin/ifconfig only listed the lo (loopback) interface. The lspci output is:
Code:
01:00.0 Ethernet controller: Attansic Technology Corp. Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller (rev b0)
Subsystem: ASUSTeK Computer Inc. P5KPL-CM Motherboard
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
[code]....
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May 30, 2010
I have an MSI MB with AMD dual processor. Last night it froze and since it was late I shut it down. This morning I got the same message when I tried to boot. I moved the keyboard to a similar computer, which I am using at the moment. The keyboard still isn't recognized on its home computer. I had this problem once before and was afraid I would need a new MB but it was resolved much more simply than that. I just can't remember how. I am running Kubuntu 10.04 LTS.
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Oct 13, 2010
I made a fresh installation of Ubuntu 10.10 (64 bit) on a Sony PCG-81112M, the graphic cards is identified by lspci as "nVidia Corporation GT216 [GeForce FT 330M]". Quite frequently everything but the mouse pointer freezed on the screen, I found no way to recover from these situations but to restart the computer using the power button.
I decided to install the proprietary driver (as this is the recommended driver, I was confident this would solve the problem). As a consequence the system now hangs on boot after showing the Ubuntu 10.10 inial logo/text. I could start in recovery mode, but I'm not sure to which driver I should try to change to. I really need no fancy 3d stuff, just a robust computer to which I can attach and detach an external screen.
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Aug 29, 2010
I am trying to install Xubuntu on an old Pentium3. This computer only takes keyboard with the this type of connector: link. When I type the name using this keyboard nothing happens. The mouse (connected through USB) works fine however. Does Xubuntu (or other Ubuntu) based computers have a known issue with this type of keyboards? I am sure the keyboard works fine and infact the problem happened when using two different keyboards.
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Dec 4, 2010
Sometimes when I reboot, I go to log on only to find that the mouse won't move and the keyboard does nothing. Well, the mouse moves, it's not glued to the desk or anything. But it doesn't move the cursor. The first few times this happened, I found that it was a music player or other USB device plugged in that somehow created confusion or something. So if I unplugged them and booted up again, everything was fine. And by booting up again, I mean I have to hold down the power button and forcibly shut the thing off, since I obviously can't do it the nice way with no mouse or keyboard.
Anyway, it's been doing it now more often, even with nothing plugged into the front USB ports. But I have found that if I disconnect my external hard drive, it boots up fine again. But that's obnoxious, because that hard drive is online as much as the computer itself, because it's my main repository for files. So I have to unplug the USB from the back of it, hold the cable so it doesn't fall behind the desk, turn on the computer, and then log in one-handed while I hold the cable (because if I just plug it back in before the desktop shows, it doesn't mount properly).
And I know it's an Ubuntu thing rather than a general computer thing because the bios options work just fine. In fact, the little NumLock light is on until the moment that Ubuntu starts up and shows the login dialog.
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May 8, 2010
My machine's internal DVD rw no longer r's or w's. :-) I've successfully used the "boot only" usbboot.img before, installing Slackware 64-bit with an external DVD drive. But with the usbinstall instructions, I do have 2 questions before I begin:Where should the files "INSUSB", "SeTMEDIA.diff", "create_multipart.sh", "mbr.bin", "rc.usb.diff" be? In my home directory? Or where? And "ms_sys" should be "installpkg"ed from /tmp, or is from /home okay?
And finally: how should "ms_sys" be installed to the USB stick since using "dd if=usbhd.img of=/dev/sd*" would clobber "ms_sys" if it were already installed?I consider myself "moderately" Slack literate...I mostly use my laptop as a document creator, surfboard and a/v player.And while I've used other distros (and FreeBSD) during the last 10 years, Slack continues to be my "one true" os since the 9.0 days.
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Feb 28, 2010
The external hard drive which contains all my photos and where I backed-up all my important documents is no longer recognized. It is a three month old 500GB Iomage Prestige Desktop Hard Drive.When I plug it in, it is recognised as a USB device, because it shows up when I type lsusb, but dmesg gives this error message.
[19712.013250] usb 2-2: new high speed USB device using ehci_hcd and address 21
[19712.145347] usb 2-2: configuration #1 chosen from 1 choice
[19712.147214] scsi25 : SCSI emulation for USB Mass Storage devices
[code]....
I popped the disk out of the casing put it on a SATA connect internally and then tried the file recovery programs testdisk/photorec and SpinRite, but both failed because they couldn't recognize the external hard disk.
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Jan 6, 2011
I just replaced my RAM, and searched for the best way to do a memory test in Ubuntu. I ran across this page:
[URL]
...which says:
Quote:
Turn On or Restart the system Hold down Shift to bring up the GRUB menu. Use the arrow keys to move to the entry labeled Ubuntu, memtest86+ Press Enter. The test will run automatically, and continue until you end it by pressing the Escape key
Allow the test to run for at least one full pass
So I did exactly that. The GRUB menu appeared, but I had no keyboard control, and thus couldn't select anything. I've tried rebooting several times with different keyboards, and they all show 3 green lights at the very beginning of boot, but become unavailable by the time GRUB appears.
So I booted to a Live CD and the keyboard worked just fine inside that session. But it's still gone during boot. When I'm booting without a CD in the drive (booting to the internal HD as usual), it goes straight to the GRUB list, with no keyboard control, and I'm stuck indefinitely.
how to either bypass this stuck GRUB screen, or somehow restore normal keyboard functionality during early boot?
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Jun 19, 2011
Increasingly over time, i.e., days I experience that the keyboard (and mouse) is not recognized when booting.Now it's every time I boot. However, there is a fix. If I plug out, and immedeatly plug in again the keyboard connector everything is fine, except that keyboard short cuts not always work depending on application. In the mouse case the right mouse button doesn't respond either. Besides these effects the system, openSuSE 11.3, boots fine. It's a hazzle everytime to plug in and out again. I'm opting for another fix. Nothing suspicious in /var/log/messages. I've tried to see if there is a particular led light sequence on "num lock", "Caps lock", "Scroll lock" that I can get som info from, but I haven't been successful.Anyone got a suggestion to what might be the cause of this behavior?
Keyboard is kwd-205
Mouse is Microsoft wheel optical mouse
Base Board Information
[code]....
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