EndRun Sonoma N12, User Manual

Page: 30 / 174

S o n o m a U s e r M a n u a l 14
C H A P T E R T W O
15 S o n o m a U s e r M a n u a l
B A S I C I N S T A L L A T I O N
Which displays the contents of the /etc/resolv.conf file containing the domain name you entered previ-
ously using
netconfig
, and the nameserver IP address(es) to use for that domain.
Check Network Operation
With your Sonoma network parameters properly configured, you are ready to test the setup using
ping
from a server or workstation that is able to access the network connected to the Sonoma. Al-
ternatively, you could
ping
one of your servers or workstations from the Sonoma prompt to test the
setup.
Once you have successfully established network communications with the Sonoma, you may perform
all maintenance and monitoring activities via
telnet
and
ftp
. The Sonoma provides both client and
server operation using
telnet
. For security reasons, only client operation is supported using
ftp
.
You may also monitor the Sonoma via the HTTPS interface (see
Chapter 7 - HTTPS
).
Security conscious users will want to use
ssh
, the secure shell replacement for
telnet
, as the login
means. The companion utility,
scp
provides a secure replacement for
ftp
as a means of transferring
files to and from the Sonoma. Both of these protocols are supported in the Sonoma via the OpenSSH
implementations for Linux. Refer to Chapter 5 - Security, Open SSH for more information about the
secure shell protocol.
Using Telnet
When establishing a
telnet
connection with your Sonoma, logging in directly as
root
is not permit-
ted. This is a security measure that makes it slightly more difficult to gain access by simply trying
passwords, since it is also necessary to know the name of a user. When you initiate a
telnet
session
with the Sonoma, this banner will be displayed:
********************************************************************************
* Welcome to Sonoma_N12 GPS telnet console on: host.your.domain
********************************************************************************
host login:
Here you may log in as “ntpuser” with password “Praecis”. When logged in as “ntpuser”, you may
check status information and view log files but you will not be able to modify any system settings or
view secure files. After correctly entering the password at this prompt,
Password:
the sign on message is shown. It identifies the host system as Sonoma GPS and shows the software
part number, version and build date:
Sonoma_N12 GPS 6010-0065-000 v 1.00 Sat Jan 19 14:17:44 UTC 2013
Sonoma_N12 GPS (root@host:~)->
This last line is the standard Sonoma GPS prompt. After configuring the unit, you should change the
passwords using the Linux
passwd
command issued from the prompt.
To gain root access, you must now issue the “super user” command at the prompt: