[Freeipa-users] sudo setup in Ubuntu

[Tevfik Ceydeliler]

Thanks to Lukas:

Step 0: Install freipa-client on ubuntu 14.04 and configure sudo integration

root at ubuntu1404:/# ipa-client-install --no-ntp
root at ubuntu1404:/# echo "sudoers: files sss" >> /etc/nsswitch.conf

root at ubuntu1404:/# grep services /etc/sssd/sssd.conf
services = nss, pam
root at ubuntu1404:/# sed -i -e 's/\(services.*\)/\1, sudo/' /etc/sssd/sssd.conf
root at ubuntu1404:/# grep services /etc/sssd/sssd.conf
services = nss, pam, sudo

>> Step 1: configure sudo rules for ordinary user
>>      Please follow the instructions from FreeIPA documentation.
>>      http://www.freeipa.org/docs/master/html-desktop/index.html#sudo
>>
   This step was skipped, becuase it was already done few months ago

>> Step 2: login to machine as ordinary user, which is allowed to use sudo.

$ su usersssd01
Password:
$ id
uid=325600011(usersssd01) gid=325600011(usersssd01) groups=325600011(usersssd01),30011(biggroup1)

>> Step 3: run command
>>      sudo -l
>>      // this command should show you which commands can be executed as root
>>      // with sudo

$ sudo -l
sudo: unable to resolve host ubuntu1404.example.test
[sudo] password for usersssd01:
Matching Defaults entries for usersssd01 on ubuntu1404:
     env_reset, mail_badpass,
     secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin

User usersssd01 may run the following commands on ubuntu1404:
     (root) /usr/bin/less, /usr/bin/vim

>> Step 4: If there weren't any problems then user will be able to run command.
>>      sudo some_command_listed_in_step3

$ sudo /usr/bin/less /etc/shadow | wc -l
21
$ echo $?
0

$ sudo apt-get install mc
Sorry, user usersssd01 is not allowed to execute '/usr/bin/apt-get install mc' as root on ubuntu.example.test.
$ echo $?
1


On 17-09-2014 16:54, Sanju A wrote:
> Dear All,
>
> I am able to configure the sudo settings in Centos clients by 
> adding/modifying  the entries in /etc/nsswitch.conf and 
> /etc/sudo-ldap.conf. What is the exact steps for the configuration in 
> Ubuntu as I am not able find the configuration file sudo-ldap.conf in 
> Ubuntu.
>
>
> Regards
> Sanju Abraham
> IS - Network/System Administrator
> Tata Consultancy Services
> TCS Centre SEZ Unit,
> Infopark PO,
> Kochi - 682042,Kerala
> India
> Ph:-   +91 484 6187490
> Mailto: sanju.a at tcs.com
> Website: http://www.tcs.com <http://www.tcs.com/>
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