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I'm wondering how to display a connection status using nmcli. I understand that the following will display a list of configured connections:

nmcli con show

And I also understand that the following will show only active connections:

nmcli con show --active

And that the following will display ALL setting for a connection (which is a very long list):

nmcli con show {connection_name}

My question is: Is there a quick way to display the status of a connection - something similar to:

nmcli con status {connection_name}

Noting that the above is actually not a valid option on CentOS or Fedora.

  • Did you look at the --fields option? Something like nmcli -f field_name con show {connection_name}. If you give an invalid value for field_name some versions will print all valid field names. Depending on what you get you can possibly further refine by piping through grep or sed or the like. – B Layer May 5 '18 at 18:37
  • @B Layer Tried that but the --fields option only prints specific columns in the output, so if the argument --f ACTIVE is given, for example, and there are two active connections, it will print yes yes on two separate lines. That is it. – Khaled Abuelenain Jun 9 '18 at 3:34
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    What do you want it to print in that case? It might be a good idea to put an example of the output you want in your question. BTW, did you try exactly what I metioned? nmcli -f {field_name} con show {connection_name}? And did try the other suggestion where you give an invalid field name? – B Layer Jun 9 '18 at 4:27
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As user B Layer suggested in their comment, you can specify a field name with nmcli.

I think the most relevant field in your case is GENERAL.STATE:

nmcli -f GENERAL.STATE con show {connection_name}

For my current connection, this yields:

GENERAL.STATE: activated

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