Ubuntu :: Admin Access To System?
Mar 2, 2010
While messing around with file permissions and ownership of /var/www/ i seem to have locked myself out of being able to administer users on my 9.10 system.
when I go to the user administration screen in the icon with the keys is grayed out. with the message "not authorized to make changes". My account seems to have lost admin access. But, I'm the only user on the system.
I presumed I somehow changed my group status from the root group to something else
but, sudo usermod -g root [my name] just returns "no changes made"
All I can do for now is run as the su from the terminal. Is it possible to log into gnome with a root account?
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Aug 20, 2010
I'm running window xp and unbuntu 10.04. I ran into a problem where I reinstalled unbuntu by erasing old one under CD boot. During installation, it asked me to place files and i placed it in /. Now when I log in as single user (only user or other at login screen) and try to change any system files, it said I don't have permission. I can't change anything or access root file. I try chmod function and it said i don't have permission as well.
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Apr 20, 2011
Is there a system admin tool for RHEL on montioring and logging system memory used and released that can dump to a log file?I'm having an issue with memory not being released when an application is closed. I need to have a tool monitor and log so I can troubleshoot to verify that it's an application not the OS.
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Jan 29, 2010
Whenever I try to do anything that requires administrative permissions, including Synaptic, the Update Manager, or installing something on the Software Center, the "Starting Administrative Application" task comes up on the window list, but then the window does not come up and whatever action was supposed to be taken does not happen; no error messages, nothing. Also, whenever I use su or sudo in the command prompt, nothing shows up when I type my password; then when I hit Enter, it gives me an authentication error.
EDIT: It seems that the "Add/Remove Applications" program as well as the Software center do not have this problem. Synaptic and the Updates Manager, however, still do not work.
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May 13, 2010
I'm dual booting XP and UNR and I want to give users access to the windows file-systems but not to admin of Ubuntu.
At present I have given them a Desktop user account but that doesn't allow access to the XP file-systems. The only way I can see to enable that is to go to Advanced User Setting and allow them to Administer the System - which I don't want to do.
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Sep 27, 2010
After a power cut I needed to restart my Smoothwall 3 box. Things are working fine, except I can no longer access the GUI to open ports (https port 441, or http port81) etc. I get a "(111) Connection refused". I would just reinstall, except my kids have opened up a number of ports over the last few months for games but without keeping a record, and would struggle to have to start from scratch again.
How I can solve the "refused connection" issue, or alternatively, do you know which file on the box stores the port config info so I can take a copy of it before reinstalling. I have looked at /var/log/dmesg and notice I get a "segmentation fault" for the line /usr/apache2/sbin/httpd -DSSL and am guessing this is significant to the problem, but I don't really know what it means or how to fix it. I have rebooted several times, over several days.
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Apr 20, 2011
First off, since this seems like a networking issue I put it here, but if it should be somewhere else, the powers that be should definitely move it over.
I'm using Ubuntu 10.10 on Dell Presario M2000 I have made sure that all updates have been done.
As the subject states, the admin account (mine which I'm posting to the forum with right now) can access the internet and see webpages. The user account on this laptop (my underaged sister who my parents don't want full access to the computer) will not access any webpages, it just continually looks like its loading.
I have made sure the wireless card drivers are installed and activated.
Also, I ran iwconfig and ifconfig and here are their results
p { margin-bottom: 0.08in; } Results of iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"myqwest4137"
[Code]....
These were both run from the user account. At this point it looks like its connecting to the internet through the wireless card as I was also able to run the update manager through the user account and have it download the updates (after putting in my admin password of course).
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Dec 20, 2010
I am new to Ubuntu and am trying to learn. Using 10.10 on HP notebook. The Hardware option is missing from the menu. System / Administration / Hardware is not there. System / Administration / * all seem to be there just no hardware option.
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Feb 14, 2010
This isn't an Ubuntu question as much as it is a general Linux question, but is there a text based Linux emulator (preferably BASH) similar to DOSBox?See, I need GAS, Gnu Linker, gdb... pretty much everything in binutils, as well as a platform to test my programs at school, which runs Windows. I've tried VirtualBox, VMware and QEmu; QEmu is a b**** to access any files outside of the VM, VMware is hard to get portable, and all 3 require administrator access. I've also tried CoLinux, which requires admin access, and PortableUbuntuRemix, which gives me some unnecessary GUI and slows the computer down
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Jan 9, 2010
I have Fedora Directory Server with SSL running on my Linux Machine. I can see th output:
Code...
This shows that 636 port is open.But When I am attempting to this Linux Server from one of Windows Desktop it says "LDAP is Down".
I selected LDAPv3 and LDAPv3, hostname and SSL/TLS tried fetching base DN but it dint work.
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Jul 9, 2010
This is the set up I have: PC downstairs by a tv, with 3TB of storage containing my media, connected to the tv too. HTPC upstairs by another tv and connected to it. A few laptops and other desktops around the house which are windows based
I want the downstairs pc to act as a file server and to run my torrent client, it is running Ubuntu desktop version and has xbmc installed too for use with the tv. The upstairs htpc has xbmc live on and will access the media from the file server. What I am looking to do is to be able to log into my ubuntu machine remotely from a laptop running windows so I can manage the files and add torrents for download etc, but for this to be a complete remote session, rather than taking control over what is already being shown on the downstairs pc, like VNC does in windows.
I have two user accounts set up on the main ubuntu machine, the admin account and a media user account which is set to go straight to xbmc after log in. Also how can I make sure that the media drives are automatically mounted to allow access if the admin user is not logged in?
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Apr 14, 2010
I keep receiving the error message in the title above whenry to enterebmin.abc.com/webmin. I'm on Ubuntu 9.10. Other errors I'll receive are "You do not have access to any Webmin modules". Wondering if anyone knew what settings our permissions on files I could change to avoid these error
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Oct 22, 2010
A member suggested I install Samba (to be able to print to a Windows computer's printer).
I added Samba clients and support files using Add/Remove Software.
I rebooted, and found that the Printers choice in System/Administration had disappeared.
Could someone please suggest how I can get the Printers choice back? maybe a Terminal command to run the Printers config app so I can add a network printer?
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Dec 7, 2010
I have RHEL 5 installed on my PC.After lots of efforts i manage to put it into a domain(by configuring kerbose,winbind and smb).I can see all domain users and groups (wbinfo -u/-g).Whenever i tried to login into this machine using domain login, for a first time it create folder in /home/DOMAIN/ and then displays "system sdministrator has disabled your Account"
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Dec 6, 2010
i want to start a career in linux, completed btech in 2010, tell me the process of entering into linux world.
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Jan 10, 2011
I'm currently system admin for mostly Solaris and Windows..however finding I need more linux than ever before.
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Dec 7, 2010
I have RHEL 5 installed on my PC.After lots of efforts i manage to put it into a domain(by configuring kerbose,winbind and smb).I can see all domaind groups (wbinfo -u/-g).Whenever i tried to login into this machine using domain login, for a first time it create folder in /home/DOMAIN/ and then displays "system sdministrator has disabled your Account"
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Jun 7, 2011
I have no menu entry for System->Admin->Language Support, and it is not present in the menu editor. Which package do I need to install to get this?
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Jan 6, 2010
Original HOWTO can be found at: [URL]... So the other day I was in IRC and someone had brought up a problem where they created a new Administrative user, but didnt have rights to use sudo. Looked into the problem a little bit to figure out what was wrong, and it turns out that when you create a new user through the user manager (in kubuntu, anyways. Havent tested in Gnome.) the user gets added to the adm group, however, a quick look at the sudoers file shows that its looking for users in the admin group to allow the use of sudo. So, to solve the problem we do the following: If youre on the new admin user (which Im assuming you are) use the following commands:
Code:
su [insert username of old account without brackets]
sudo usermod -G admin [username of new admin account without brackets]
exit
Then simply logout, and then log back in (not always necessary, but the easiest way to flush the permissions.)
Code:
su [insert username of old account without brackets]
Means were going to Switch User to the old admin account
Code:
sudo usermod -G admin [username of new admin account without brackets]
This simply adds the admin group to the secondary group list for the new user
Code:
exit
Pretty self explanatory
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Jun 15, 2011
I am using ubuntu 11.04 in my home desktop. Is it necessary that firewall should be active inorder to avoid hack? I heard that we will not be given static ip address, only paid one will get static ip address that can be used for web server implementation. If my system doesnt have static address then can others access my system?
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Jul 26, 2010
I'm dual booting xp and ubuntu. I mostly use Ubuntu for my daily Internet browsing, sometimes i need to access some software installed in xp, so i need to restart my laptop and then login to windows to access that particular application.
Is there anyway to access my already installed xp from ubuntu using virtual box or any similar software.
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Jan 29, 2010
His laptop was rebooted and when it loads then it stops after the white ubuntu logo (Karmic version) in a black screen with the message in the top left corner:
init crypto disk. He is desperate to get his information out from the "home folder" and there is denied access to this when booting the system via CD. So I was thinking there might be a pass through "safe mode". How do we make a copy of his home folder and access this information from safe mode.(He is pretty f... if he doesnt get this work out fast)
My linux /ubuntu level i on a starter/user level so if you have some great ideas spell them for me. ooh yes I HAVE looked through other treads, but there have not been a geek good enough to solve the "init crypto disk" problem so others with the same problem was able boot normally.
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Aug 26, 2010
I have a serious problem! I can not access ubuntu!
I wanted to customize the login window, and went on "System -> Administration -> Login Window" and I click "unlock" and I changed something (I do not remember), then I restarted the computer and all was well, but it appeared a black screen with two lines written, but it is too fast, I can not read what is written, and then pop the login screen, and when I put my login and password and click on enter I released a screen "terminal" at the top right.
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Dec 3, 2010
I was running some programs on Thursday and also installing something via the software center when I started getting strange errors. Then I kept getting told that the file system was read only (when I tried to save my work in the applications and while installing software). I clicked the restart button and got a blank popup (no restart or cancel buttons). So I press the power button and it shutsdown but quicker than usual. Power is back up and it goes to busybox.
Ok so I think this is easy to fix, just boot off CD open gparted and perform a check on the filesystem. It happened before and this solved it. But when I opened gparted and tried to check the disk I get:GParted 0.6.2
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May 10, 2011
I installed 11.04 last week and have been really happy with it. However, yesterday I somehow changed something that removed the "system settings" option from my power-button menu. I cannot access it via the super-button search either... So I can't access compiz, or any other settings now. It was there a couple of days ago... What did I do? How can I get it back?
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Jan 10, 2010
I can't access linux files from windows 7 no matter what program i use. any luck in this respect?
http://www.tonyphamilyman.com
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Mar 21, 2010
I'm a new comer to Linux world, and I wish I can find help with some difficulties that I might face.
I have a machine with Window 7 and Ubuntu (dual boot), windows 7 is installed on C drive and ubuntu installed on D drive, when I'm on Window, I put a folder named folder1 on D drive root beside (not inside) the main ubuntu folder. when I open ubuntu I can't see that file on D drive, I tried to search for it but couldn't find it, how can I access this file please ?
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Feb 19, 2011
I am using ubuntu 10.10 netbook remix version. I want to access a remote computer outside my LAN which is running on Windows.I tried vinagre for the LAN but the result is that the client (running on windows) system goes logged off making the client completely unaware about what is going on with his system.Is there any other way to access any remote Windows system ans still the client able to see and interact while it has been accessed by ubuntu.
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Feb 24, 2011
There is a shared drive (on a Samba server using Solaris, I guess) on a machine in our network. In windows, in order to access it I had to map the network drive by providing it's URI (http://blah.domain.com/dir1) and a username and password. How do I achieve the same thing in Ubuntu? While a terminal based solution is all I need.
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May 13, 2010
Lucid 10.04, auto upgraded from 9.10, accessed through NoMachine NX from my MacBook Pro 10.6 system.
When I try to access the time settings through the System > Administration > Time and Date menu, all I get is the greyed-out display with the message Not authotized to make changes at the bottom.
With other administration functions, I am asked for sudo-style authorization with my password. That doesn't happen with Time and Date.
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