Debian Configuration :: Root Password In Console Not Working?
Sep 4, 2011
Reinstalled Debian Squeeze (64bit/gnome) on my Notebook using Netinstall. Everything worked like always but in the setup instead of typing in a root password as asked to i just pressed enter (in the hope of not having to type in a pw in the console later, just having to press enter then)
When i needed rootpw to install some software (using SoftwareDownloader) the normal loginpw seemed to work, but not in the console.
ari@HP625:~$ su -
Password:
su: Authentication failure
[Code]....
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Feb 11, 2010
For my dissertation I created a debootstrap install of Lenny. When I boot this system I just can login with root without a password. When I want to ssh this machine with the debootstrap install I can't just login with root. I'm asked for a password which I don't have.
So I created one with passwd root and after that I can connect to the machine with ssh and the given password. But the machine still logs in with without a password.
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Mar 30, 2011
I have been using my system for couple of weeks, and normally update software when the icon is displayed on top bar (gnome). Last couple of days there were updates for X, and I am not sure whether that is the cause of my problem. Once bootup, I get the login screen. When enter the password the login screen keep coming back. there is no error about any password issue, or anything. It keeps prompt me to enter the password.
I could login back the following way.
1. ctrl + alt + F1 , and login with the same username/pwd as for X
2.change to root
3.pkill gdm3
4.exit from root to user privilege
5. startx
The system starts X correctly and no login screen is displayed. I could use the system as usual.
The only thing I did custom to my system was upgrading to the latest kernel (2.6.38) using the source. This was to get support for my hardware, but that was about a month ago. I do not see anything in /var/log (X, demesg etc).
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May 7, 2015
I'm using Debian Jessie Cinnamon right now. I've got 1 user account on my machine--fred--as well as root, of course. "fred" is an administrator, and many times that is enough for root priviledges, for example, I can install packages via apt or dpkg. However, I cannot access "Users and Groups", or install packages via GDebi, with my password. For that, I have to have the root password.
I know that it is possible to let the admin account handle everything and not even need root--for example, Mint and (I believe) Ubuntu do it this way. I don't know how, though.
Code: Select allgroups fred
fred : fred cdrom floppy sudo audio dip video plugdev netdev lpadmin scanner bluetooth
I did disable the root account by Code: Select allsudo passwd -l root to see if it would make any change. Nothing different happened except that I now can't use GDebi or access "Users and Groups" since the root account and therefore password is inactivated. Not a big deal to get it back, though.
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Apr 12, 2016
I have lost my password for my root and for my user account.
Code: Select alluser@debian:~$ su
Password:
su: Authentication failure
user@debian:~$ su
Password:
su: Authentication failure
user@debian:~$ su
I have just installed a gust debian 8 on debian 8 host in virtualbox, and when i wonted too login as su/root on the host there where no login possible, is there a way to regain the root password for the host?
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Nov 5, 2010
sometime ago i have setup a nice Debian FTP server. and left the company. everything was working fine for about 5 month, administrator was able to login to root, do changes and manage system, etc. Suddenly he told me that he cannot login via PUTTY, the root user and pass say Access Denied.Looked all over the web for at least a REASON, but did not find anything. I suggested to go and do passwd reset, via runLevel 1. i hope this helps him. But i am still curious why all of the sudden, in a locked down room, where only one person has access root get disabled.
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Jun 25, 2011
my debian laptop this morning ,saw that the update manager had updates..97 of them??? then when tried to view them the package manager freezes and becomes unresponsive. needed to do a few things and found my root password is NOT working. this all happened at the same time, i wonder if its related? have i been hacked? is this something new? cant reset root password (tried two methodeds with no luck) and cant view the updates altho i question 97 new updates are needed.
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Jul 13, 2015
updated my jessie by apt-get dist-upgrade and there was an error said there was something wrong with some database, and I needed to run some command, but after the upgrade I forgot to run the command. After I rebooted my system I found there was not any password needed for a normal user or the root. But if I change to the emergency mode, a root password is needed.
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May 14, 2015
I edited fstab to automatically mount my windows data partition on boot, but I screwed it up by not specifying the file system type, however that is not the problem, I was able to fix that easily. The problem was that when it failed to mount the partition, Debian automatically entered root and I guess that is to be expected in order for me to fix it, but I never configured a root password and it just gave me full root access without asking any password, not even my user password. I though that was strange so I set the root password and sure thing it asked me for the root password this time without automatically logging into root....
I then tried to lock the root account to see if it will ask me for a password or not, it did but of course I wasn't able to login as root because it was locked now and I was left with no way to access the system. I had to fix fstab from a live cd so that I can login normally as the user....
I didn't know what to search for or if that is the expected behavior if you don't set root password during installation, but it just seemed a bit strange to automatically enter root when you specifically disable root login during installation...
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Sep 4, 2010
I needed to load Linux on a Samsung Q1Ex for a project I'm contracting on, and could not for the life of me get anything to run. Turns out that the video card is a chrome relative, and for some reason, almost every distro out there (I usually use debian for this sort of project - ie, no money, but use SLES at my day job) failed to even get to textmode console. Trying several distros, I finally put it out there and used OpenSuse and voila!, vga was working. After that, I got X running, and many hours later had the mouse working. The key to this device is Windows. I ended up parsing through the registry looking for "touch" and found that the software in use on Windows is eGalaxTouch. A quick google brought up their site where I found several Linux drivers. I used the beta mode drivers to get the mouse working. Here is a more detailed breakdown.
Use OpenSuse 11.3 (I used the full blown disc - its is the only distro I could get to boot correctly as the others all used OpenChrome, while OpenSuse seems to use fbdev - note here that installing the unichrome drivers will actually break X and cause you to have to reboot to get away from the mess on the screen). Use eGalaxyTouch drivers. The pdf's included in the download have step-by-step instructions but the big pieces are the setup.sh script and the serio_raw steps (note if you perform a 'hwinfo --bios | more' you can figure out which /dev/input/event* you're using - for me it was event1 and serio4). Note also to choose PS/2 when executing the setup.sh script provided in their download. eGalax_eMPIA Technology Inc. TouchKit Linux Driver Here is my xorg.conf now:
Section "ServerLayout"
InputDevice "EETI" "SendCoreEvents"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
[Code]....
On the video, just stay with the fbdev and you should be good. So far, I've had KDE, Gnome, TWM all running; and now have my EFL apps running! Woohoo! Next piece of the puzzle is to verify sound, but on the face of it, looks like the system recognized it off the bat. And of course one other note. 11.3 is going to make me a convert!
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Feb 13, 2011
I know that in an xterminal I can redefine the default colour with something like
!!red
URxvt.color1: rgb:cc/00/00
URxvt.color9: rgb:ef/29/29
Is it possible to do something similar in the Linux (framebuffer) console?
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May 6, 2011
The resolution is OK in grub menu but after something is setting to higher value. How can i set it back to 640x480?
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Aug 24, 2011
I would like to put an image in the background of my console (tty) like done by Gentoo or Suse : I found several tracks to follow, but I would like to have your advice on the best way to do that for Debian.
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Nov 13, 2010
I'm trying Debian again just for fun after using Slackware for years. When I "su -" on Konsole in Debian I get this for my prompt:
Code:
darksaurian@darkswamp:~$ su -
Password:
darkswamp:~#
darkswamp is my hostname that I made up when I installed. On Slackware I'm used to it saying:
root@darkswamp
or something like that.
I'm starting Konsole the same way on both:
konsole -e $SHELL -l
I kind of wish it still said "root" just because I'm used to it.
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May 9, 2010
my root password seems to not be working but it does when I use "sudo".
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Jun 10, 2009
I want to say hello for all as it is my first post. I have CentOS 5 I recently changed my root password. When I try my new password it doesn't work. For changing password first I connected using ssh connection I logged in. Then typed on shell passwd then the system asked me "new password" then asked "type it again" at the end I got successful message.
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Nov 5, 2010
I'm trying to do is protect the computer against housemates. The standard procedure I do with Lenny:
1. Password protect BIOS.
2. In BIOS, always boot from hard drive. Disable booting from any other device such as USB or CD-ROM.
3. Password protect Grub (v1) using the "password --md5 $1$9MuaA/$5TDLgvmcEiCWNr5W9VaMK1" syntax in my menu.lst file.
With the above precautions in place, [I think] the only way to gain root access to the system is to take the case lid off and proceed to do stuff physically (like set jumpers and/or take out the hard drive). Am I correct? My reasoning for this is, the computer boots -> must boot from HD -> must load Grub -> must go to default menu item since others are protected, and cannot command prompt in Grub without password.
Anyhow, In Squeeze, I was a bit disappointed to find out, after doing a bit of Google-research, that Grub v2 (which is standard on Squeeze now) does not easily support password protecting the Grub menu. Am I correct? Will this issue perhaps be addressed in the Squeeze final release? Is this feature dumb anyways because the Grub password is of no use (i.e. my paragraph above is complete horseradish)?
Another thing I would like to do is change the console font and size back to something more "normal" or "classic", not some crazy tiny font that's only found in totally bleeding edge Linux distrubutions <gasp!>. I found that the Squeeze console font (e.g. when I type Ctrl+Alt+F1) is wicked tiny. I wanna change it to "normal". Grub v2 password and console font config?
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Feb 21, 2015
I'm trying to manually boot (from the GRUB console) into a system set up as follows: crypt partition -> LVM -> root LV, and I'm having some trouble figuring out how to do this from the GRUB console.
I have successfully manually booted a system which is set up as just LVM -> VG -> root LV. All I have to do is load the LVM module. In GRUB, that partition shows up as (hd0,gpt5). Once I load the GRUB LVM module, I can see the logical volume within the LVM as well. (My volume group name is "caesar", and the single logical volume is named "root".)
Code: Select allgrub> ls
... (hd0,gpt5) ...
grub> insmod lvm
grub> ls
... (lvm/caesar-root) ...
It's fairly simple to manually boot:
Code: Select allgrub> set root=(lvm/caesar-root)
grub> linux /vmlinuz root=/dev/mapper/caesar-root
grub> initrd /initrd.img
grub> boot
Where I am having difficulty is in trying to insert crypt before LVM. I can set up such a scheme, and put a minimal installation on it, without issues. It's booting into it upon reboot that I can't figure out. Once I load the GRUB crypto, cryptodisk and luks modules, I can mount the crypto partition:
Code: Select allgrub> ls
... (hd0,gpt5) ...
grub> insmod crypto
grub> insmod cryptodisk
grub> insmod luks
grub> cryptomount (hd0,gpt5)
Attempting to decrypt master key...
Enter passphrase for hd0,gpt5 (<long hex string here>): <type my password>
Slot 0 opened
grub> ls
... (crypto0) ...
At this point, GRUB sees the crypto partition as (crypto0). But the GRUB LVM module doesn't see "inside" of the crypto partition, so I don't see the root logical volume within the LVM listed; all I see is (crypto0).
Code: Select allgrub> insmod lvm
grub> ls
... (crypt0) ...
Setting it as root doesn't work:
Code: Select allgrub> set root=(crypto0)
grub> ls /
error: disk `crypto0' not found.
So, How do I get GRUB to "see" LVM inside the crypto partition?
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Apr 9, 2010
I know there are many threads regarding this topic.I probably read most of them. At installation time I told Debian to use German keyboard layout (since I am from Germany). Now I want to switch it to American keyboard layout. In X this was no problem. But in the tty consoles I cant get it changed. It does not matter to me if it is system wide or user wide because I am the only user. (system wide would be a little bit more preferrable because it would affect the super user too, I think).I tried dpkg-reconfigure console-data
and selecting my desired layout. This changes the Layout to American until reboot
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Nov 2, 2010
I've been scouring the internet for an answer to this problem. I am using Squeeze and have properly configured Grub2 to set my console screen resolution to 1024x768x32 (as per updating /etc/default/grub to contain 'GRUB_GFXMODE=1024x768x32' and updating /etc/grub.d/00_header to contain 'set gfxpayload=keep') and everything works wonderfully. My resolution is set as it should be. However upon installing Xorg (aptitude install xorg ratpoison), my console resolution gets changed to what appears to be 1280x1024.
I thought that this was due to xrandr, however when I issue:
# xrandr -s 1024x768
only the X resolution is changed. When I then CTRL-ALT-F1 back to the console, the resolution is still at 1280x1024 (I am aware that xrandr only affects X, but I assumed that because my console resolution was correct before installing X there might have been some correlation).
I would like for my console resolution to stay at 1024x768 as per Grub2's configuration and for X's resolution to be at 1280x1024.
PS I also noticed that prior to installing Xorg, my CPU boots up without any screen blanking (only for a second or so). However, after installing Xorg, during the boot process the screen does blank briefly. It is at that time that the resolution gets changed to the 1280x1024 setting.
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Jan 23, 2011
I installed the base of Debian (only CD 1) without the desktop environment, so it is console only; also I am dual booting with Windows 7 x64 on this Dell Inspiron 1545 laptop... I have also successfully mounted my usb flash drive and CD drive; the one thing I am finding rather hectic is finding a way to connect to my wireless network with a "WPA2 Personal" Security and "TKIP/AES" Encryption with a Dell Wireless 1397 WLAN Mini-Card... I doubt that the drivers are actually installed, and Idk how to install them.Google searches on this yield confusing results, so I need help. So far, the most useful help I have found is the link posted here: http://en.community.dell.com/support-fo ... 29916.aspx but I have no idea on how to install that, if it is even what I need.
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Sep 8, 2011
I just installed Debian 6 and need to change the console keyboard layout (I am not running any sort of gui).I installed 'console-data' and ran:# dpkg-reconfigure console-dataThis assigns my Apple keyboard keys perfectly but it won't survive a reboot, which is really important for entering passwords
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May 27, 2010
I have just installed fedora core 13 on my pc, after I installed the updates and rebooted the root password would not work any more.
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May 6, 2011
I'm using rhel 5, when i'm working in terminal first i typed su command and by mistake i entered copy command and some other characters, after realising i've made a mistake then i came out and continued with copy command in terminal.
after some time when i tried to login by using su and with password it says "incorrect password". So i logged out and entered root login for gui and it works well, but i'm not able to use the same password for su. can some one get around this issue?
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Feb 22, 2010
I'm trying to install Skype on an Aspire One netbook, it shows the file in the downloads section but every time I click on it it asks for an administrator password. If I put this in the window closes and then comes up asking for it again a few seconds later, but if I put in the wrong password it gives me the option of changing it, but still won't allow me to run the programme
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Feb 18, 2011
I can not entered root password via terminal while doing this it replied incorrect password even same password can be used from another GUI box. When I tried to use command Clt+Alt+F1, only black screen comes. I am using coreutils 8.4-9.fc13 from fedora of 32 bits
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Oct 25, 2015
Since moving my debian server over to a Gigabyte H97N-WIFI motherboard the console dims on booting and generally stays dark. Strangely the screen the brightens up if I go to an emergency shell, but if the boot runs successfully I don't see the resulting login prompts. Also, during the boot process the messages to the console are too dark to see.
I've tried the i915.invert_brightness=1 fix mentioned here [URL].... but that seems to have no effect. I'm assuming that this has something to do with moving to intel graphics as my previous hardware had a radeon graphics card and didn't display this problem.
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Apr 13, 2010
I'm always getting a blank console screen after booting a 2.6.32-trunk-amd64 kernel in squeeze. I still can read the line "Loading, please wait ..." in the display for a second - then it's completely black until X windows is starting. When I try switching from the X console to another virtual console (by pressing Ctrl-Alt-F1 e. g.), the complete system freezes. I have to hard reboot then.When I boot the previous 2.6.32-3-amd64 kernel instead, everything is fine as expected, though.There's a line "GRUB_GFXMODE=1024x768x16@60" in /etc/default/grub as well as a line "set gfxpayload=keep" in /etc/grub.d/00_header. So the problem might be framebuffer related in any way. Any ideas what could be tried?The system is a Latitude E6500 with a Mobile 4 Series Chipset Integrated Graphics Controller
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Jan 13, 2011
This only started after the recent updates which included a lot of sysv stuff in Squeeze. I'm not talking the Gnome or Xwindows consoles, I'm talking the full-on type you get when you do the CTL-ALT-F2 type of console. before those updates, I had no trouble. Now I can't get back into the gui by pressing CTL-ALT-F7 as usual. All i get is just a black screen. I do have the nvidia proprietary driver installed using DKMS, and I am running the latest (I think) liquorix kernel.
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Sep 26, 2015
After install debian 8, I can't see system start and stop message from console ... How can I enable system message from console in debain 8?
debian 7 output
----------------------------------------------
root@demo:~# service apache2 restart
[ ok ] Restarting web server: apache2 ... waiting .
root@demo:~#
debian 8 output
-----------------------------------------------
root@demo:~# service apache2 restart
root@demo:~# <=============================== No message (start or stop)
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