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hopeful

A mysterious new user!

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Hi :o

 

I updated with urpmi auto-update last night, and when I booted up this morning I found a new account in the login window. The user is called MPI and I can access it using my password (the desktop I got up was the same as the one when you initially install Mandrake)!!! I am not at all sure what was updated last night, though I did see a lot of mention of something called noarch, I think, and pearl appeared in a lot of lines. Does anyone have any idea of what has happend. whether it is something I should be very worried about, and is my machine safe to use? Why has this user account been set up? I am facinated to know what has happened, it is not everyday you get a mysterious user appear on one's machine?

 

yours

 

Hopeful.

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Guest anon

Never heard of that happening before. If i were you i would delete that new account. Urpmi would not have done that so you had better run some checks on your system and firewall setup, change passwords etc. Open up a consol and see if that user actually logged on:

last

or

last -10

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Thank you for your help. No one had loged in. However, I have deleted the MPI user and changed the pass word on my user. Should I change the root pass word and if so how?

 

Hopeful

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It's up to you if you want to change the password - depends on how nervous you are that your system has been compromised - can't hurt I guess.

 

Anyway if you su into root and enter:

 

passwd

it'll then prompt you for a new password and to confirm it

Edited by phunni

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I can confirm this. It just happened to me. It's late though so tomorrow I will look for any packages with "MPI" in the description. You might want to try this as well and we can compare notes.

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Preparing...                ##################################################

  1:libmpich1              ##################################################

  2:rsh                    ##################################################

  3:rsh-server            ##################################################

  4:mpich                  ##################################################

Warning !!

The rsh daemon is disabled in your xinetd config file(/etc/xinetd.d/rsh), please activate it.

Remember that you should create a .rhosts in your home directory.

Look at .rhosts in the doc directory for a sample configuration

A mpi user has been created, change it's home directory to a network file system with the other nodes

  5:libmpich1-devel        ##################################################

  6:mpic++                ##################################################

[< root /home/omar > urpmq -i mpich

Name        : mpich

Version    : 1.2.5.2

Release    : 5mdk

Group      : Cluster/Message Passing

Size        : 841246                      Architecture: i586

Source RPM  : mpich-1.2.5.2-5mdk.src.rpm    Build Host: n4.mandrakesoft.com

Packager    : Erwan Velu (erwan@mandrakesoft.com)

URL        : http://www-unix.mcs.anl.gov/mpi/mpich/

Summary    : MPICH is a portable implementation of MPI.

Description :

MPICH is a freely available, portable implementation of MPI, the Standard

for message-passing libraries.

MPICH-A Portable Implementation of MPI is a MPI Standard conforming library

that was developed by the Argonne National Laboratory. It allows different

processes across a network of workstations to communicate using specific

message passing functions. It includes librairies, parallel debuging tools

and docs.

 

This package provides the libraries that use the standard p4 device.

 

Don't ask me what any of that means. I would think they would've made mpi a system user so they were hidden, but maybe there aren't enough reserved UIDs for that.

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Seeing all that output posted by Steve Scrimpshire raises an interesting question. Using the Mandrake Control Center tools (rpmdrake in this case) to install software, how would a user know about all this additional output? Should I start a new topic about this?

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Seeing all that output posted by Steve Scrimpshire raises an interesting question. Using the Mandrake Control Center tools (rpmdrake in this case) to install software, how would a user know about all this additional output? Should I start a new topic about this?

 

user doesnt need to know the addition output. the new user isnt a problem or anything at all to worry about.

 

errors are reported in the gui, so its not like you lose them to the console too.

 

its a feature not a bug!

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