Ubuntu: Delete UAC (Need NANO help)

Hi,

1) There is  a linux workstation Ubuntu 10.04.3 in the production environment
-It gets the IP from DHCP server
-It can connect well to intranet and internet
2) The client of this workstation is annoyed with UAC (User Acces Control) which always Prompting with password of the root
3) Per reference from one of EE's experts; the article says like the followings:
-Open terminal
-Sudo visudo
-Find the line that says
   %admin ALL=(ALL) ALL
-and change it to
   %admin ALL=(ALL) NOPASSWD: ALL
-Save and exit the file

4) The things that I do in my ubuntu 10.04.3
- I open the terminal
- I am at --> Jack@Ubuntu-10:~$
-I switch to root --> sudo -s
- Now, I am at --> root@ubuntu-10:~#
- Then, I type in --> sudo visudo
- It opens the nano's windows like this:

GNU  nano  2.2.2   File: /etc/sudoers.tmp
# /etc/sudoers
#
#This file MUST be edited with the 'visudo' command as root.
#
# See the man page for details on how to write a sudoers file
#
Defaults    env_reset
# Host alias specification
#User alias specification
#Cmnd alias specification
# User privilege specification
root      ALL=(ALL) ALL
# Allow members of group sudo to execute any command after they have

5) The editing that i do:
- I edit     ALL=(ALL) ALL and change it to ALL=(ALL) NOPASSWD: ALL
- Now , I have to SAVE and EXIT ---> (this is my problem; what is the command to save and to exit in nano?)

6) My questions: What is the command to SAVE and to EXIT in this nano (editor)???

7) Thank you

tjie
tjieAsked:
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PapertripCommented:
From ctrl-G:
^G      (F1)            Display this help text
^X      (F2)            Close the current file buffer / Exit from nano
^O      (F3)            Write the current file to disk

Open in new window


-I switch to root --> sudo -s
- Now, I am at --> root@ubuntu-10:~#
- Then, I type in --> sudo visudo

Don't need to sudo if you are already root.
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tjieAuthor Commented:
Hi Papertrip,

1) It is easier to use the gedit
2) I login as root and go to /etc/sudoers
3) And I edit the followings:

 %admin ALL=(ALL) ALL
-and change it to
   %admin ALL=(ALL) NOPASSWD: ALL

4) Now, how to TEST that the UAC has been turned off already?
5) Post it back please
6) Thanks

tjie
0
PapertripCommented:
1) It is easier to use the gedit
No.  Use visudo.
4) Now, how to TEST that the UAC has been turned off already?
Try to sudo and see if it prompts for a password.

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tjieAuthor Commented:
I do the following sudo:

1) sudo gedit /etc/hostname --> No Password is requested

2) sudo ifconfig eth0 | grep -i inet  --> No password is requested

3) sudo gedit /etc/resolv.conf  --> No password is requested


Does my UAC have been disabled or turned off??
0
PapertripCommented:
If sudo does not prompt for a password after 5 minutes from issuing the last sudo, then sudo is configured to not require passwords.  Sudo maintains a cache with a default timeout of 5 minutes.
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