Debian Configuration :: Root Password Debootstrap And Ssh
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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Nov 21, 2015
first time with debootstrap, i followed: [URL] the error i get on boot looks like this:
Code: Select all [URL]
they did not mention lvm speficically so i just installed lvm2 inside the chroot and created my fstab like this:
Code: Select all/dev/mapper/debian--unstable-root / ext4Â Â errors=remount-ro 0Â Â Â Â 1
/dev/mapper/debian--unstable-home /home ext4  defaults    0    2
/dev/mapper/debian--unstable-tmp /tmp    ext4  defaults    0    2
/dev/mapper/debian--unstable-var /var  ext4  defaults    0    2
Having one mounted from jessie looks like this:
Code: Select all/dev/mapper/debian--unstable-root on /home/julius/other-systems/debian-unstable type ext4 (rw,relatime,data=ordered)
So I guess the fstab is correct
I already tried to "refresh" the inittab with:
Code: Select allupdate-initramfs -u
command ran ok, but no change at boot.
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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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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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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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Aug 26, 2010
Im currently installing debian on my old server, its a 64bit computer, so i've downloaded the amd64 for this project. But under the Basis Installation, of this cd image, im getting a debootstrap warning every time i want to continue the installation, the last warning i remember was something coreutils_6.10-6_amd64.deb (Something like that, not totaly sure), and im lost, can't find anything closely related to the subject.
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Jun 25, 2010
When I installed the OS, I wasn't prompted to set the root password. Is this a bug, or did my install hose up?
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Feb 26, 2011
I am installing Wheeze using netinstall.
After the partition step, the installation gives me the following error: Debootsrap Error.
Invalid Release file: no entry for main/binary-amd64/Packages
I have tried several iso's with several cd's but nothing is working.
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May 4, 2011
Want to set root password.i don't have any idea as from where to get a root password. as I have freshly install Ubuntu10. Sudo cmd is working out.How to go in single user mode in Ubuntu.
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Jul 19, 2011
I am trying to install Wheezy testing i386 using netinstall .iso disk.
After the disk partition stage and while in the 'Install the base system' stage I get the message;
Debootstrap error:
The following error occurred: The bzcat is not available on the system Check /var/log/syslog or see virtual console 4 the details.
I have over the past couple of months downloaded three daily builds of testing and the md5sums are good on all of them yet I have the same problem with each disk.
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Nov 29, 2010
I tryied to modify the root password, but instead of using the "passwd" command, i tried to use "usermod -p", without knowing what outcome exactly i would get. But since then, i can't log as root, neither with my old neither with my new password. And i can't install absolutely nothing on my machine.
Please, help me... i have a test next wednesday, and i can't work in my blueprint. In appendix, i've uploaded a print screen of the sequence commands, for you to be able to explain me this phenomenom and to tell me how to solve it.
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Jul 1, 2015
I just did a net install of Debian Jessie in VMWare Player. I very much enjoyed the install. I chose not to install a desktop. I set the root password as root. And the user as paul/paul. Now I cant login in root, it says I have the wrong password. How would you resolve this?
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Apr 8, 2010
After installation of Debian 5.0.4 when a window is shown to type the root password, after I have typed it and press OK, window is closed and nothing happen. I have verified that root password is correct, also I have reinstall Debian, but nothing is changed. Is there something to enable?
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Feb 15, 2011
I know there has to be a way to log in as root through the GUI. I reverted back to the old GDM to get this problem fixed but it took out packages that I needed and the problems started which required me to reload Squeeze via the 8 DVDs. I don't want any posts talking about the dangers of logging in as root as I know what the consequences are. I don't want to play in the terminal mode either. I created an Admin passwd during installation. how to link the Root name to the Password during log in.
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Aug 6, 2010
I am trying to reset the root password of Squeeze so that I may be able to update. I forgot it. I have followed the howto Reset Root Password without success. I am getting a root prompt but for some weird reason the root commands are not found. When I type passwd, I get, "command not found". Moreover, If I try reboot and shutdown -h now, both fail.
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Jan 19, 2011
I finally got Sueeze installed and it works great for my user account. It won't accept my root password and so I can not do anything as root. This is strickly a home desktop setup and I am the only user. I have a working Ubuntu 10.10 in the ajacent partition. How can I change (or reinstall) my root password. Everything I've found says to boot single user and I have, but I still need the root password in Debian.
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Jan 26, 2011
I'm on Squeeze with KDE 4.4.5. Basically, I can use my password for things like logging in, or authenticating on a shell with sudo successfully. But in other cases, I am asked to "become root", and when I enter my usual password, I'm told to check if I entered my password correctly. This happens with Aptitude (terminal GUI), for example: from Actions, I try to update the package list, and when I enter my password, I can read su: Authentication failure. However, if I start Aptitude by typing kdesudo aptitude on Konsole I can enter my password in the authentication box successfully, and use Aptitude with administrative privileges.
The example is valid also for other applications, such as System Monitor: just for the sake of the example, if I try to stop a process owned by root, say Aptitude, I'm asked for a password to become root, but my password doesn't do the trick. I'll have to open it from terminal with kdesudo ksysguard, then I'll be allowed to kill that process. Does it have anything to do with my choice at installation? I think I must have chosen to leave the root password field blank, and only entered my password as a user, for it explained I could become root anytime if there was need to with sudo.
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Jul 7, 2009
I first started using Ubuntu and I liked the sudo facility because I didn't need to remember two passwords, so when I installed Debian I wrote the same password for the limited and the root account. Is this very bad for security? I mean can a program started from my regular account immediately become root or something?
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May 3, 2010
I have a fresh install of Squeeze with CD1. I have no root password to open admin apps, so I set one with 'sudo passwd root' and then I'm able to open them, but only once. I have to set the root password every time prior to opening an admin app. Am I doing something wrong? Could I be missing a package?
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Aug 14, 2010
I have just installed Lenny on a Thinkpad R50p. During the install I opted for no root password, using the sudo option instead (I've been used to this on Kubuntu for a long time). After installing, I added KDE 3.5 with apt-get install kde-desktop - all seems to be OK, except that I am unable to add packages or perform tasks for which a root / admin password is needed. It seems that the install-time choice of sudo (shared password) does not propagate to the KDE install, which is still expecting a root password.
how to either enable the KDE desktop to work with this shared password setup, or whether there is a better route to a KDE 3.5 desktop than just installing as I did (I am aware of Trinity KDE 3.5 but the Pearson Computing source is still not up, are those packages available for Lenny anywhere else, and are they recommended?). I can of course rerun the whole install and choose root & user passwords but if there is a smarter solution it would be less of a 'reinstall Windows' type of fix
I've had a very frustrating time the last few months trying to find a KDE4 based desktop that is stable enough and not lacking some basic functions (print manager, for goodness sake), so I have temporarily thrown in the towel and will try a Stable installation that is not changing (breaking) all the time, until KDE4 series gets past this adolescent stage of development and settles down.
I do need to get back to a system I can work on rather than keep on trying different installations!
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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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Oct 28, 2014
Suddenly Debian started rejecting my user pw and I have to login as root. Perhaps this is a coincidence, but this started when I re-booted after adding Russian keyboard layout in etc/default/keyboard. The Russian keyboard added successfully.
Being logged in as root, renewed the pw of my user account (actually assigned the same as wes previously), got confirmation the the pw has been changed. Reloaded. Yet it keeps complaining that the pw is wrong.
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Apr 10, 2015
When I try to do software updates in Debian Gnome 7.8 it asks for my root password. I try my usual login password but it does not work. I don't recall setting two different passwords when I installed Debian. What can I do now?
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Jul 1, 2015
I have tried to install the newer version of hplip on Debian 7.8 because the standard version does not support my printer.
So I proceeded the installation according to the instructions in hplipopensource.com, but the installation hangs after I enter the root password as this image: [URL] ....
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Aug 24, 2010
I'm running sid, reasonably updated. I decided to add a samba share. I installed samba (2:3.4.8~dfsg-2), samba-tools, smbclient, smbfs, & samba-client. I did a "/etc/init.d/samba start" and even rebooted. But when I try to add a samba password for my regular user I can't.
# smbpasswd -a praxis
bash: smbpasswd: command not found
I did a "locate smbpasswd" but I'm only seeing:
[code]...
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Aug 20, 2010
Having successfully installed SANE and gotten a scan from my ancient Mustek scanner, I thought I had it setup. But that was running in the root terminal window. When I try to run xscanimage from GIMP in my normal user account it doesn't start up. Running xscanimage in a normal terminal it says it can't see any scanners. Yes, I added my user account to the scanner group. What else needs to be done to let a normal non-root user access the scanner?
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Apr 8, 2010
My system software is installed on an encrypted LVM on hda1 and hda2. My home directory takes up the whole of hdb1 which is also encrypted. I can boot up into the kde desktop okay, but when I open up konsole and type 'su' and my root password I get the message "su: Authentication failure". I am absolutely certain that I am using the right password.
Even more strangely, if I fire up synaptic and give it that same password I am able to install software. Does anyone have any suggestions as to what's gone wrong and how I can fix it?
I can also type Ctrl-Alt-F2 and log in as root to do administrative tasks without any problems so I cannot understand why konsole has locked me out.
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Feb 1, 2016
I installed it from the packages list and the eye candy has been good.
However, in trying to fix an error showing up in syslog
Feb 1 17:37:38 host ntop[30764]: **ERROR** Buffer too short @ dataFormat.c:144 (increase to at least 56) [230982 years, 187 days 7:107374]
I started looking at the configuration files; well attempted. It asks for a login. It isn't any user or root, but apparently is admin, but IO don't ever remember setting it.
Various web search suggests it is done at compile(downloaded compiled) /installation, but I have no recollection of entering any.
There is a Redhat/Centos wrinkle ntop -set-admin-passwd=password; but that puts out a lot of lines, then hangs and has no effect.
Note, despite message(old version of ntop), it is up todate in packages.
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Feb 2, 2011
I have two machines running Debian Squeeze (a laptop and a desktop). On my laptop sudo works fine, however on my desktop sudo doesn't remember my password for 1 second!!! I have created a script for the upgrade procedure with apt (to make things easier). The script is nothing more than a few commands separated by operators. It is completely useless if I have to enter my password six times while my script is running.
I tried to add timestamp_timeout=15 to the sudoers but it didn't help.
Does anyone have any idea why this could be?
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