3 incoming data – Guralp Systems CMG-DCM build <10,000 User Manual
Page 170

CMG-EAM (Platinum Firmware)
continues to run, printing each new line as it is added to the
log. Type
+
to stop the output and return to the
command line.
●
less /var/log/messages
Views the whole log file; use the
,
,
and
keys to
navigate and the
key to exit.
●
vi /var/log/messages
Those users familiar with the vi text editor may wish to use it
as the most powerful way to view log entries.
●
grep -i 'string' /var/log/messages
Searches for a string or pattern in the log file. This search is case
insensitive (-i flag).
grep is a very powerful tool for searching for patterns. For more
information, see the section on Regular Expressions in the grep
manual page at
13.1.3 Incoming Data
The status web-page has one box for each GCF acquisition process.
This box will be updated every minute to reflect the number of packets
that have been acquired.
To view details of incoming GCF format data using the command line,
use one of the following commands:
●
gdi-dump -l
Displays a list of channels and segments. For more information,
see “GDI Channels Display” in section 13.3.3 on page 185;
●
gdi-dump -lm
Displays the the same data, along with meta-data added by the
relevant input module; or
●
gdi-dump
Displays real-time information about each packet arriving, until
interrupted by the operator typing
+
.
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Issue C