Fedora :: Sudoers Can Not Display
Mar 14, 2010
I am going to school for IT Security and will be taking my first Linux class this semester. I have dabbled a little bit in Linux before this but never really had the time to get to involved so I put it off untill now. Now I am forced . Anywho...I just installed Fedora11 (dual booting with Vista home basic) and the first thing that I am trying to tackle is install VMware. I have access to a bunch of Window OS's because of school and would like to create a 'virtual' version of windows for things like iTunes. This way, i have to force myself to use Linux for everything and I can install it on the whole PC. Until then, I am going to dual boot. When I was trying to install VMware, I tried to do it from the Terminal using sudo sh then the file name which is a .bundle file, I typed in the password and it said that my account was not in the 'sudowers' profile or something like that. I read on-line that you can modify who can sudo and who can't in the ect/sudoers file but if has an 'X' at the top right and I can't open it. It says 'Could not display "/etc/Sudoers". I tried to use visudo in the terminal and it says that permission is denied.
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Oct 18, 2010
After upgrading GNOME to 2.32 in my openSUSE 11.3 x86_64 running graphic applications with sudo is impossible. (that means it worked before upgrading GNOME)
Code:
etam@etam-laptop:~> sudo xeyes
root's password:
No protocol specified
Error: Can't open display: :0.0 From /etc/sudoers:
Code:
Defaults env_keep = "LANG LC_ADDRESS LC_CTYPE LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE LC_TIME LC_ALL LANGUAGE LINGUAS XDG_SESSION_COOKIE XMODIFIERS GTK_IM_MODULE QT_IM_MODULE QT_IM_SWITCHER DISPLAY"
Some interesting facts:
[code]....
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May 31, 2011
I have tried several things to attempt to fix my sudoers file however it is still coming up with errors. The error says
[code]...
the sudoers configuration file is set to the default as I have ran a dpkg on it, have also uninstalled and reinstalled it, and went over the configuration file ensuring it looked like the defaults I had seen online.
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Nov 25, 2010
i cant sudo..and the folder isnt even there.. and i canrt even view sudoer.d or whatever it says permission denied
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Jul 16, 2010
I recently installed Fedora 13 "Goddard" using the graphical installer (although I prefer the 'text/ reduced graphics' option.When I start the system (after installation completes), it runs in graphical mode and presents me with a graphical login prompt. However, due to security reasons (I'm told), it won't let me log on as the root/ admin user (which is fair enough).If I log on as another user (eg : alpha, charlie or delta, for this example), I can't edit the sudoes file to add one of these users (alpha) to the file. This is because these users aren't in the file, as far as I know.
At no stage during installation was I offered an option of either setting the runlevel or adding a non-root user to the sudoers file.I have found a way to change the runlevel setting, so that is not really an issue.What I would like is either of the following :
1. A modification to Fedora's graphical installer that allows for an explicit option to set the runlevel (graphical/ command-line) and another option to add the first created non-admin user (alpha in this example) to the sudoers file.
2. Information on how to add a user to the sudoers file without adding all others (eg : alpha, but not charlie and delta, in this example).
I have read the relevant man and info pages for the su, sudo, sudoers and visudo commands, but I only got confused. (I don't know BNF/ EBNF and I would like a solution that doesn't involve having to learn these BNF dialects, although I will if I have to.)Also, I have seen solutions that show how to add all users, but not individual users, to the sudoers file. What I want is to add an individual user (if this isn't clear already).Please feel free to send me an e-mail about this post : nigel.nq.ngw[at]gmail[dot]com with the subject line "Linux Forums - Fedora 13 Add User to Sudoers"
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Mar 30, 2011
I'm using Fedora to program Android, and have a directory with all the files I need. But my home directory isn't big enough to store my android directory. Is there any way to make more space to do this?When I have tried to install something using "sudo apt-get install (program name here), it says my name isn't in the sudoers file. What is this and how do I add my name to it to be able to install things from there?
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Apr 18, 2011
How do I add myself to the Sudoers File? When I go to use the "Sudo" command, it tells me I am not in the Sudoers File, so I have to do "su -" to bypass it for the time being. How do I add myself?
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Oct 2, 2009
I wanted to do an installation from my user login so I typed
sudo make install
then it says
<my_user_loggin> is not in the sudoers file. This incident will be reported.
How to correct this matter...
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Jul 3, 2010
How do i add the default normal user to the sudoers group? Is it normal for the main user to be kept out of the sudoers group or did i do something wrong during install?
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Nov 21, 2010
I'm suspicious that the context of /etc/sudoers is wrong. During the last upgrade to Fedora 14, RPM dropped /etc/sudoers.rpmnew, which had a different context than the real sudoers file. But, when I try to get SELinux to relabel the file (using restorecon or fixfiles), it refuses to make a change.
> ls -lZ /etc/sudoers
-r--r-----. root root unconfined_u:object_r:etc_t:s0 /etc/sudoers
> matchpathcon /etc/sudoers
[code]....
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Nov 20, 2009
My clock needs to be set to usa time with am and pm But I don't see any option to select that? So I read online that I need to edit /etc/adjtime and change it from UTC to LOCAL
Problem is when I'm in the terminal it tells me I'm not in the sudoers file? So how do I fix my clock? its insane that I cant change the option in the clock options, and its also nuts that even though I created a root password I can't seem to just sudo and change it?
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May 11, 2011
I use to use Ubuntu and recently came to Fedora, I am not a fan of the package manager in Fedora so I am trying to install things through terminal and when I use Sudo cause that is what I am familiar with this is what it gives me.
Devon is not in the sudoers file. This incident will be reported.
What do I do? I am just trying to install Libreoffice 3.3 and Banshee 2.0
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Jul 4, 2010
The normal user is now in the sudoers group. How can i allow it to install programs using it's own password rather than having to know the super-secret Root-Users password?
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Feb 15, 2011
I have previously set up sudo via adding my name to the wheel group and then giving full privileges to the wheel group in the sudoers file. Now I choose to learn to limit that. Had noticed the most frequent use I have of sudo is to run yum update. This got me thinking, could I remove the wheel group privileges and add the following line in sudoers to limit the privilege to simply running yum, and furthermore, make it so I could run yum without a password:
## Allow root to run any commands anywhere
rootALL=(ALL) ALL
Troy ALL= NOPASSWD: /usr/bin/yum
I think that would in fact work (if I understood one of the pages here, it will work). However, upon further thinking I realized that in such a case then anyone sitting at my computer could then use yum, without a password, to install or remove any file on my system � probably not a good idea. As a result I have to ask, can I tighten the privilege even further such that the only privilege so given was to run �yum update� and nothing else? (for example if they ran �yum install� it would fail). If you can do it, how?
Last, I was going to limit the privilege, time wise and try wise, by adding the following to the sudoers file:
# Defaults specification
Defaults:Troy timestamp_timeout=0, passwd_tries=3
Will that really work to limit the elevated privilege so I don't have elevated privileges lingering about, or is there a better way to do so?
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Jun 29, 2010
I did not have any /etc/X11/xorg.conf, so I read on these forums that system-config-display would create one for me. I ran system-config-display and it created an xorg.conf. But now my display is all messed up!! So, I deleted the xorg.conf and nothing changed. Why on earth would the display still be messed up if I deleted the file that was causing it?? Does system-config-display change somethign else?
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Dec 1, 2010
I have installed Fedora 14 Security Spin, and want to display all disks & partitions available in a GUI display. How can I achieve that?
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Jul 11, 2009
I recently installed Fedora 11 with KDE 4 on virtual box. Now I need to install the guest additions, and doing requires sudo, but I can't because whenever I try to install the guest additions in terminal by typing "sudo ./VBoxGuestAdditionsx86", it gives me this "User is not in the sudoers File" Anyone know what to do so I can get the guest additions installed.
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Dec 8, 2010
I've been a distro-hopper for a while and just installed FC14. I like it and it seems very stable on my older Presario laptop (2170us with 1-Gig Memory and 80-gig HDD).In other distros, I was able to open a Terminal, type "su" & <password> then type "gedit" and take care of things like the Workgroup name in Samba, adding a user to sudoers, etc.....but in FC14's Terminal, typing "su" & <password> and then "gedit" results in all kinds of error messages (that I can't recall right now). I did find after typing "su" & <password>, that if I then typed "sudo gedit", gedit opens just fine.I had tried to type "sudo gedit" (before trying "su") but was told I wasn't in sudoers.I suppose it's minor for someone like me who can eventually find a way around it...but why won't gedit open when I'm a superuser by just typing "gedit"?
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Feb 21, 2011
I have installed debian 6 recently, and during installation I selected not to allow root login (and thereby enable my standard user to use sudo).If I check sudoers (by using visudo) my standard user is not listed anywhere, but he can still use the sudo command without any problems.Where else could this permission be stored?
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Jun 12, 2010
In a nutshell: sudoers is not designed to use 127.0.0.1
Old, broken sudoers:
Code:
New, fixed sudoers:
Code:
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Mar 25, 2011
I changed my user name, and now the Terminal shows my new user name.I log in with the same user name and the same password. But after changing the username, I can't get anything done as sudo. It says that I am not in the sudoers file, and I can't get in at all. I tried sudo visudo, sudo -i, sudo -l..When, I wrote sudo -l the following came in the Terminal.How do I get into sudoers file and give my new user name ariya the root privileges. Even my old user name doesn't work at all.
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May 15, 2010
everytime i try to do anything with sudo i cant and this time it was extremelly costly. From now on i don't want to risk anything like this again and i need to be able to sudo.
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Jul 24, 2010
Tired of getting told that I'm not in the sudoers file. How do I add myself to it, and is there any reason that I wouldn't want to?
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Jan 8, 2011
Do I need it in /etc/sudoers? It's there by default and I don't know why does root need sudo.
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Oct 3, 2010
I logged in as root and was trying to add a user to sudoers, but then when I tried to save it said that the file was write protected and couldn't be saved. However, when I returned to look at the contents of the sudoers file, they were all done. The file is now empty.
1- How can I restore the contents of the default sudoers file. (I have FC12)
2- How can I add a user (no password) to the sudoers list without this happening again?
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Dec 6, 2015
When I use sudo after entering password show me:
Code: Select allhooman is not in the sudoers file. This incident will be reported.
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May 28, 2010
I have accidentally deleted the contents of sudoers file (while trying to add a line through CLI).Anyway, I'm still logged in and can please someone paste me the default contents of the sudoers file on Lucid Lynx
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Jun 5, 2010
A few minutes ago I accepted a suggestion from update-manager for restarting my system, such that some security updates could be effective. After restarting and login in as usual, I discovered that I could not use my adminstrative rights as a sudoer. To recover them I booted again, as root, and added my username in the "admin" group. Rebooting, all seemed well again. As an extra check I installed and ran 'chkrootkit' and nothing suspect was found.What could have hapenned? Just a glitch in the system? Can a user disappear from a group for nothing?What further checks can I make to be sure that my system is safe?I'm using Ubuntu Jaunty Jakalope amd64, with kernell 2.6.28-15-generic.
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Feb 15, 2011
How do I add user xyz to sudoers?
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Feb 16, 2011
I edited my /etc/sudoers file the other day to add timestamp_timeout=0 to cause sudo to ask for a password every time. I used visudo in sudo mode and when it came to saving it appeared to want to save the file as sudoers.tmp so I edited this to sudoers. Anyway some how may edit failed. I booted up into terminal and reedited and somehow lost all access to the sudo mode. I think the file ended up with the wrong permissions.
After a fresh install I don't want to mess this up again. So please, please tell me how to save it. Should I save as sudoers.tmp or sudoers? I presume a could have made a typo, but am assuming not. I don't want to reinstall ubuntu and all the packages again.
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