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Administration
Basics
The administrator is responsible for operation of the LCS60; this includes verify-
ing connections, maintaining the network, monitoring the operation, collecting
data, backing up and restoring files, starting and stopping protocols, and gen-
erating reports. All administration is done after the LCS60 is configured (see
Chapters 3 – 7). Administration can be performed at the system console or from
a remote terminal.
Logging On
The most powerful user is root, often referred to as the superuser. The superuser
may access, alter, or remove any file on the system. Only the superuser has the
freedom to do all of the tasks needed to administer an LCS60. To restrict the
users with superuser privileges give the root password only to approved users.
Caution: To protect the system from unauthorized changes, it is strongly
urged that only the system administrator, and a minimum number
of other knowledgeable users approved by the system administra-
tor (ideally this number is zero), be allowed access to the system as
the superuser.
The administrator must log on as root to configure the system. (As shipped, the
password is the Return key.) Change the root password whenever the security
provided by the current password is suspected of having been compromised.
Only the superuser can change the password for root. To change the password,
use the passwd root command.
Note: The commands in the Config and Manager directories require root per-
mission and will initially prompt the administrator for the root pass-
word. The symbol # will appear at the end of the prompt (e.g.,
Top>Config>#) once the administrator has root permission.
Note: root can only log on at the system console. The system can be admin-
istered remotely, however, as long as the administrator has the root
password and the lcsadm remote administration feature has been
enabled.
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