
Network configuration 127
DONE
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e) In the window Network Configuration click on the tab pane Hosts
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• Either this entry is correct and was visible in previous Linux versions, you
will not see here an entry 127.0.0.1 / Name: localhost.localdomain / Nick-
name: localhost The operating system controls this entry and does not show
it here in this interface. Nevertheless you can check the file /etc/hosts
to get the information if this entry is there or not.
• Be sure that there is NO entry with the name of this PC. If there is one high-
light it and click on Delete
• The two entries that can be seen in the picture are necessary for the spec-
trometer connection. If this PC does not control a spectrometer they are not
necessary.
1. This information is stored in the file /etc/hosts
This file contains also the line: 127.0.0.1 localhost.localdomain localhost
This is required information and must not be deleted / modified!
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