Revision as of 02:57, 22 April 2014

Create

useradd <username>

userdel -r <username>

passwd <username>

passwd -l <username>

vi /etc/sudoers

<username> ALL=(ALL) NOPASSWD: ALL

Give an account root permissions. (Different from above)
This will make the user seen as root even though logged in as a different account.

vi /etc/passwd

Find the user in question and modify assigned number, typically 500:500 to be 0:0 example
from

timmy:x:500:500::/home/timmy:/bin/bash

to

timmy:x:0:0::/home/timmy:/bin/bash

@@ Line 1: / Line 1: @@
-To Create a user on a Linux system
+= Create =
 <pre>
 useradd <username>
 </pre>
-To Delete a user
+= Delete =
 <pre>
 userdel -r <username>
 </pre>
-To change a users password
+= Change Password =
 <pre>
 passwd <username>
 </pre>
-To disable an account
+= Disable Account =
 <pre>
 passwd -l <username>
 </pre>
-Give an account root permissions
+= Assign root permissions =
 <pre>
 vi /etc/sudoers
@@ Line 22: / Line 26: @@
 <username> ALL=(ALL) NOPASSWD: ALL
 </pre>
+= Impersonate root =
+Give an account root permissions. (Different from above)<br>
+This will make the user seen as root even though logged in as a different account.
+<pre>
+vi /etc/passwd
+</pre>
+Find the user in question and modify assigned number, typically 500:500 to be 0:0
+example<br>
+from
+<pre>
+timmy:x:500:500::/home/timmy:/bin/bash
+</pre>
+to
+<pre>
+timmy:x:0:0::/home/timmy:/bin/bash
+</pre>
 [[Category : Linux]]