Become A Root Wiht Public Key Access

Wow, I got my new Linux pc yesterday and it's very very fast. It's faster than my new MacBook.
So I go to the user account which also says administrator so I'm presuming that's the root owner?????? and I typed in my name and changed the password. The guy who sold it to me named the password user and the computer user. Yet when I go to the terminal my username and computer is still called user@user
How do I change the root password and computer name?

Wow, I got my new Linux pc yesterday and it's very very fast. It's faster than my new MacBook.
So I go to the user account which also says administrator so I'm presuming that's the root owner?????? and I typed in my name and changed the password. The guy who sold it to me named the password user and the computer user. Yet when I go to the terminal my username and computer is still called user@user
How do I change the root password and computer name?

First time post so I hope it's not too long winded!

I've just installed Centos v7.1 and created an additional user.

First putty session I logged in with root and got the public fingerprint message and clicked Yes to accept.

However I noted when I logged in with the user other I did not get the prompt and my home directory didn't have a .ssh directory.

OK, so I created a .ssh (chmod 700) directory within /etc/skel and created a new user. Logged in with that account and still no prompt, although I do now have a .ssh directory generated.

I've tried deleting the known_hosts files in the root's .ssh directory and restarting the sshd daemon but it's not working.

How do I get it to prompt with original public key again?

Thanks for reading.

Hi all,

I am slackware 14.0 user. Recently I face one problem. As a root i can change one of my normal user's (assuming Peter) password. However, when I login as Peter, and try to change the password, the system does not allow me to renew my password.


root@slackwa /etc# ls -la | grep shadow
-rw-r----- 1 root shadow 9 Nov 29 2013 gshadow
-rw------- 1 root root 0 Jun 20 2013 gshadow-
-rw-r----- 1 root shadow 2272 Apr 12 22:44 shadow
-rw------- 1 root root 2274 Apr 12 21:40 shadow-
root@slackwa /etc# ls -la | grep passwd
-rw-r--r-- 1 root root 2362 Apr 12 12:58 passwd
-rw------- 1 root root 2306 Jan 8 17:38 passwd-
-rw-r--r-- 1 root root 2305 Aug 11 2014 passwd~


peter@slackwa ~$ which passwd
/usr/bin/passwd
peter@slackwa ~$ ls -la /usr/bin/passwd
-rws--x--x 1 root root 68725 Sep 14 2012 /usr/bin/passwd*

peter@slackwa ~$ passwd
Changing password for peter
Old password:
Incorrect password for peter.
The password for peter is unchanged.

One thing I can assure is the password I input is correct. I have another slackware 14 running on Dell R410, but it does not has this problem.


Please kindly advice. Thank you.

when a command is typed(i.e. /path/to/the/program), as a normal user, he should be able to run that command , execute that program as ROOT and log out root after the execution is completed.
Only one user should be able to do it.
Hence, I have created a new user vj and added the following command in visudo:
Code:

vj ALL=(ALL) NOPASSWD: /path/to/the/program

Now user vj will be able to typein the command.

What I need is that the program which is been called must run as if it is run by a root user,and when the program is completely executed, exit the root user.

How do I proceed?

I am using debian 7.7 stable and when I open the root terminal it asks for the password.

But if I open it again, I get the message: 'Granted permissions without asking for password. The /usr/bin/x-terminal-emulator program was started with the privileges of the root user without the need to ask for a password, due to your system's authentication mechanism setup'.

Oh, really? Because I don't remember setting up any 'authentication mechanism setup'.
How can I change this so the root terminal always asks for the password?
Do I have a trojan already? Because I installed the OS just a few days ago.

Thanks very much.

System Info:

I have normal user in CentOS 7 whose name is "mostafa" (the name of the account).

I naturally have another user called root with all privileges. User "mostafa" is put into sudoers file, too.

The OS is installed in VmWare, so the system is all mine.

Problem:

Now I create a file with touch file.sh and put a command in it, but when I want to run it with Code:

sudo ./file.sh

, an error is shown that the command Code:

./file.sh

does not exist. But if I Code:

 sudo chmod 777 ./file.sh

then it gets run. My question is that, why should I use Code:

chmod 777

when I myself have created the file, and I am in sudoers.

Can anyone explain me why shuold I still use Code:

sudo chmod 777

when the creator of the file is me.

Hi

I am logged in as root and i am have issues creating a new user

su - /usr/sbin/useradd paulg

Comes back with the error:

su: user /usr/sbin/useradd does not exist


Any ideas please as I need to create myself a user with root privileges

Cheers

I have created a new user with "useradd" than changed the password with "passwd" (logged in as an administrator). After that I tried to login as the new user but couldn't. Error message was: "call to lnusertemp failed (temporary directories full?). Check your installation".

I currently use Debian 8.

I checked the home directory and couldn't find a new created folder for the new user (wasn't supposed to be done automatically by useradd?) and I checked the etc/password and there was the new user name inside it though.

What should I do? I really need to have more than one user on this computer...

I just booted my PC in Vector Linux 7.0 Standard Live Edition. It is a bootable version of Linux that requires no installation. I am currently booting of a DVD-RW. The problem I am running into is the default password for root has already been set. It didn't prompt me to create a user or password at any point. In fact the first time I booted it all that happened was the Operating System loaded up. All I have done since them is run a portable netbeans and try to access the hard drive. When I tried to access the hard drive I got the following error.

Authentication is required to mount the device
An application is attempting to perform an action that requires privileges. Authentication as the super user is required to perform this action.
Password for root: _______???______

I found a few password suggestions on forms like root and vector, but these didn't work. If you would like to experiment with the OS burn it to DVD. See if you can figure out the solution to the problem. Here is the download link: http://vectorlinux.com/downloads