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MATLAB DISTRIBUTED COMPUTING SERVER 4 - SYSTEM ADMINISTRATORS GUIDE Manual do Utilizador Página 38

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2 Netw ork Administration
Security
Level
Description User Requi re ments
• Tasks run as the user who started the
mdce process on the worker machines
(typically root or Local System).
• No passwords are used.
2
Job m anager (MJS) password protection
on jobs.
• Jobs and tasks are identified with the
submitting user, and are password
protected. Other users cannot access
your jobs.
• Tasks run as the user who started the
mdce process on the worker machines
(typically root or Local System).
• When you start the job manager
(MJS), it prompts you to provide a
new password for that job manager’s
admin account, which can be used for
accessing all users’ jobs and tasks.
• A dialog box requires you to establish
a user name a nd password when you
first access the job manager (MJS)
from the MATL AB client.
• Your job manager (MJS) user name
and password do not have to match
your system/network user name and
password.
3
In addition to the security of level 2,
tasks run as the submitting user on
worker machines.
• Jobs and tasks are identified with the
submitting user, and are password
protected. Other users cannot access
your jobs.
• Tasks run as the user who submitted
the job.
• On UNIX systems, the mdce process
ontheclusternodesmustbestarted
by the root user.
• The job manager (MJS) must use
secure communication with the
workers (set in the
mdce_def file).
• When you start the job manager
(MJS), it prompts you to provide a
new password for that job manager’s
admin account, which can be used for
accessing all users’ jobs and tasks.
• A dialog box requires you to establish
a user name a nd password when you
first access the job manager (MJS)
from the MATL AB client.
• Your job manager (MJS) user name
and password must be the same as
2-20
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