Ubuntu :: User Not In Sudoer File?
Jan 17, 2010
I an a relative linux newbie who just installed ubuntu 9.10 workstation (I have enstalled around 4 times on viurtual machines but generally do nothing with Ubuntu other than get Apache, MySql and php going) and was able to do most of want I wanted with the initial user (user1) using sudo.
It was painful however to work with Nautilis and Gedit, because everything i tried to do said I did not have the permissions.
I then added my user (the initial user) to group root. Nautilis and Gedit then allowed me to easily edit files (I only used to verify I COULD edit files - I did NOTactually edit any)
I then rebooted my computer and since then I cannot so anything with sudo. I get a message "user1 is not in the sudoers file". If I do groups user1 I can see user1 is listed as a member of user1 and root. However, Nautilis and Gedit respond with no permission to everything again.
I also cannot su to root because it says invalid password (I had not originally set a password for root but it will not accept leaving password blank and now it will not let me sudo to create a password).
what I need to do to make user1 work with sudo again?
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May 3, 2010
I need to kill a process which has been started by user2 if I am user1 without being sudoers or using root.Do you know if there is a way of setting that when launching the process? Such as a list of users allowed to kill the process?
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Jul 26, 2011
I have previlige to use tee command with sudo. When I try to execute the tee command with sudo, system is asking root password. How can use tee with sudo without root password. Here is the command sudo tee file.When I execute the command system prompts for root password. I'm expecting system should prompt for individual id password.
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Jul 5, 2010
whether I should encounter a problem relating to output redirection when using sed from a shell script which is ran by apache? I have given apache privileges in sudoers to run the shell script and the commands within it. However the problem is that when I check auth.log all commands are listed except the sed ones, yet if I run the shell script directly from the command line they work fine and are logged.
So although I realise I probably have some permission issues to solve, I think its strange how sed commands are not being logged at all. would also appreciate any advice on apache and sudoers, am I playing with fire here? Im on lucid 10.04 server
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Feb 2, 2010
I want to add 50 new users, not on the server yet I want to add them all to group Accounting - with 1 option, not user by user I want to setup a default password for them all, and have it say something like 'You must now change password or no access will be permitted' Any other options I also want to do once, not for each user?
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Dec 21, 2010
How to attach an ordinary file as well as Excel file while sending mail to a particular user in red hat.
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Mar 1, 2010
I just came back from a meeting with someone wo wants this functionality:When he saves a file on *his* machine, it will automatically get copied onto a server (this is on an office LAN). This is so if there's a virus attack on his machine, he will have an uninfected backup copy.
To make matters worse, the client machines will be WINDOZE. Apparently he's seen this kind of functionality at an office somewhere (he was saying something about "Microsoft" , but my brain has erased that part of the conversation ), and now wants it for himself.
I was thinking about Samba obviously, but the tricky part is doing the copying when the user *saves* a file. This will require hooks into the OS to see when a file is being saved.*If* I manage to persuade him to switch his client machines to Linux (which would be the ideal choice and make life far easier), how would it be done? I'd have to use the File Alteration MOnitor in the kernel, right?Would it be possible to write the copying code in a shell script?
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Feb 23, 2009
I'm researching about symbolic links been used with samba / CIFS:I'd like that the user that uses a MS-Windows OS could see my shared folder on CentOS 5 and the symbolic links that are inside this folder. Well, it works but, the user will see that the size of the file is bigger than the real file. Apparently, CIFS gets the size of the symbolic link (aproxim.32K) and add it to the size of the file.Example 1: 100KB file, used with shared folder, MS-Windows's user will see 100KBExample 2: 100KB file, used with symbolic link inside a shared folder, MS-Windows's user will see 132KB. (Sym link + size of file)Is there a way to allow the user only see the size of the file, and not the file + symbolic links ?
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Jun 13, 2011
I was just testing specifying limit on file size to a user and have added the following to /etc/security/limits.conf bob soft fsize 100 This basically should have said not to allow bob to create anyfile greater than 100Kb in size.
But the interesting thing is, if bob already has any file which is greater than 100Kb in size, it even doesn't allow to log him into the system both from console and SSH. Also nothing is logged in logs.. How do I configure it so that, bob can login to the system even though he has any file greater than 100Kb (but doesn't allow him to create file which are greater than 100Kb) ??
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Feb 15, 2011
How do I add user xyz to sudoers?
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Jul 15, 2011
I have a bit of a problem... I thought (for certain reasons) I would just add myself to root group and therefore gain some more rights for my account. I could sudo before... But once I gained the root group as a secondary group it says I am not in the sudoers file anymore...
Code:
id
uid=1000(kosta) gid=1000(kosta) groups=0(root),1000(kosta)
Code:
sudo ls
[sudo] password for kosta:
kosta is not in the sudoers file. This incident will be reported. It is really weird and messed up. I can view sudoers file but not edit it... I can cat passwd but I can not view syslog. Is there any way to fix this without having to reboot to recovery mode? And why the heck is this happening after all?
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Mar 25, 2010
I get this message if i try to use sudo/gksudo. What causes this, how can I solve it? It has been working for years. If i remember correcttly there was a sudo update few days ago, maybe it doesnt work since then, i havent used it in the last few days.
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Nov 10, 2010
I have the Ubuntu font set in Chromium via the tools>>preferences>>personal stuff settings and I decided to change it to something else. However, even after hitting restore defaults and manually selecting new fonts, the font remains the Ubuntu font. I even went into System>>Preferences>>Appearance and changed the fonts there to something else just to see if it helped, but no luck.
I then did a purge via terminal with apt-get of Chromium, then reinstalled. Same result.
So where is the user file that contains these settings so I can delete it and have the program create a new file with default settings? Or is there an easier way to achieve the same result (default)?
Edit: on this machine I am on 10.04
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Mar 15, 2011
Suddenly I am not in the sudoers file. I am not sure how to recover from this. I have no grub screen at bootup, so I can't boot into single user. I think I am going to have to boot a live version of ubuntu to start with. Is that right? What's next after that? Also, how could this happen, I haven't touched the sudoers file or added users or anything like that (well not that I am aware of) I am a little concerned that this may be the result of someone breaking in? Would this be a likely symptom?
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May 4, 2011
I use U.10.4. I have to take over the work of another, but all I have is the Hard Drive from that machine. Because the two positions are separate, I do not want to Import his Evolution over my own - but, I do want to be able to access it from my machine. Can my Evolution refer to the old hard drive (now in a caddy and non-bootable) for the Evolution account data that is there, while still being able to switch back to my own Evolution data on demand. E.G. in Windows the equivalent would be the way that Outlook can refer to different .pst files at loading. Alternatively, can I make the external USB drive (previously a running main HDD) bootable without losing all of the data?
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Jun 22, 2011
I know there's no direct way to do this. But can someone please suggest how I'm able to check the last user that opened a file?eg; vi test.txtThe last user that accessed test.txtI know last access/mod/change time can be displayed.Also lsof won't do anything as the script I'll be writing won't necessarily be running when the user has already closed the file
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Jan 16, 2010
I am using Ubuntu 9.10. I currently have two users myself and my wife. Yesterday morning when I tried to log in I receive the following messages:
"Could not update ICEauthority file /home/david/.ICEauthority"
then
"There is a problem with configuration server /usr/lib/libgonf2-4/gconf-sanity-check-2 with status 256"
and finally
"Nautilus could not create the following required folder /home/david/Desktop/.nautilius"
I searched the forum and followed some stuff about chmod 755 for the gconf file etc but still have the same problem. My wife can still log in with no problem by the way.
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Jan 31, 2010
I just installed Gutsy server. It is the only disk I can get to boot on this old PC trying to salvage. I'm at the "SERVER LOGIN" prompt. I created one user during the install. I can login as that user, but that user has "...Is not in the SudoersFile." How do I setup this user to be in the sudoers file, without having any ability to make changes to the system?
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Jan 26, 2011
I want to have two kind of users in a work machine having ubuntu 10.04,
1) He is the admin, have sudo privilages and install, do all types of work, his username is abhilash
2) A user who is normally a IT administrator, who can just install or remove softwares, but cannot access files of abhilash.
I'm trying to do this and my head is going blank, The problem where i'm stuck is, if IT admin can install softwares, then he can become sudo as sudo su, then he can view my files
So here is a small test i did, first with abhilash.
Code:
Now others and group don't have any permissions! But when IT Administrator becomes root, he can see this file
Code:
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Sep 1, 2011
A non techie friend has helped an even less techie friend by contacting me by email to discuss an ailing laptop. A few emails were exchanged, with more details, and it was not looking good because it seemed that suddenly the CD drive was not responding, nor any USB devices, the wireless icon was gone, but Ubuntu still seemed to work (for now), with wired ethernet also working. I was struggling to think of what could be done, with the favourite routes of Live CD and Live USB apparently gone.
After a few more hours - another email: 'It's now working! After so many reboots it checked disc for errors and repaired itself! Is there some way of doing that when needed anyway?'I see there is 'Disk Utility', and this would presumably fit the bill, but how does it do checks and repair when the damaged file system is being run, and is currently *mounted*? I thought utilities like fsck(?) could only be run on unmounted file systems? Have I misunderstood the disk utility fs check repair function? And anyway, what might be a good answer to my (nontechie) friend's question 'After so many reboots it checked disc for errors and repaired itself! Is there some way of doing that when needed anyway?'
For the record: (quote) It is a toshiba EA60-155 Model number PSA67E-00300C8J. He put in extra ram to install ubuntu. He thinks he may have deleted something! There is a 'trash' file on his USB drive with loads of stuff in it and he doesn't know how or why but because it won't now read the drive on her laptop we cant replace it! (end quote)
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Sep 14, 2010
A regular (non admin) user can create a Truecrypt 7.0a file, but it can't be mounted. The admin password is refused. If you try the regular user password, the error is that you are not on the sudo list.
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Mar 18, 2010
Alright running a ubuntu based webserver. The app will be accepting user uploaded files from my client's clients. My client will then need to download an access the files. I'm looking for a solution to scan for windows malware at the time of upload so I never expose her machine directly to her client's uploads.
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Mar 21, 2010
After update to 10.04 I am not longer asked to authenticate when attempting to run "root" priv. apps in System->Administration Just get the error: Quote: Failed to run /usr/sbin/whatever-application as user root. Unable to copy the user's Xauthorization file. Google searches have been in vain. All apps still run if ran from terminal w/ sudo command.
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Mar 21, 2011
I used to use the root account for everything for more than a year then I moved to a user account for security reasons but almost all files had root as owner so I could not go 5 minutes without having to change to root and then change the owner of a file to my username to make it usable. I got fed up with this so I just changed the owner of every file on the system to my username instead of root.
command chown -R myusername * in the base directory /
Everything was fine until I restarted and the login screen became non functional and I got 2 error messages related to xsession and gnome errors. I think this is because the login screen might have its own user account and it cant access the files for the login process because it is owned by myusername. So my question is what is the user-name of the login account and what folders/files need to have their owner changed so the login process can work? I'm on 10.04 lucid.
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Jun 22, 2011
I'm running Ubuntu Server 11.04. It came time to add User to the sudoers file: so I decided to simple add User to the admin group: usermod -a -G admin user Then I used visudo to check if admin users had been set to receive sudo privileges. I uncommented the line admin ALL=(ALL) ALL. Nothing happened. I've even tried to add user directly into the sudoers file as user ALL=(ALL:ALL) ALL, but that failed too.
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Jul 12, 2011
This computer is set up as dual boot Ubuntu / Windows 7.
I have accounts for my sons set up in Windows 7, and also in Ubuntu (11.04).
How can I give them permission to access their (and only their own) user area in windows ("/User/jasper/Documents/..." etc)?
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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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Jul 27, 2011
I have a textfile with name negin.txt in /home and did the following:
Right click → Properties → Permissions → Advanced Permissions → Add Entry → Named User user:wwwrun
Is it possible to do this over the shell?
I tried chown wwwrun /home/negin.txt but got no result. What is wrong here?
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Apr 29, 2010
I am currently trying to add a new user on a linux box in the %post section of the kickstart file. The user however doesn't get created after I reboot the box after install. Am I missing anything ?Just for info. I am installing RHEL5.4 on a 64 bit box, I know this should not matter, but what the heck!!
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Oct 4, 2010
How do I add a user in a sudoers file.
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