1NM-ONLINE(1) General Commands Manual NM-ONLINE(1)
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6 nm-online - ask NetworkManager whether the network is connected
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9 nm-online [OPTIONS...]
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12 nm-online is a utility to find out whether we are online. It is done by
13 asking NetworkManager about its status. When run, nm-online waits until
14 NetworkManager reports an active connection, or specified timeout
15 expires. On exit, the returned status code should be checked (see the
16 return codes below).
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18 By default NetworkManager waits for IPv4 dynamic addressing to complete
19 but does not wait for the auto IPv6 dynamic addressing. To wait for
20 IPv6 addressing to complete, either (1) change the network connection's
21 IPv6 may-fail setting to no, and/or (2) change the IPv6 addressing
22 method to manual or dhcp, to indicate that IPv6 connectivity is
23 expected.
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26 -t | --timeout seconds
27 Time to wait for a connection, in seconds. If the option is not
28 provided, the default timeout is 30 seconds.
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30 -x | --exit
31 Exit immediately if NetworkManager is not running or connecting.
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33 -q | --quiet
34 Don't print anything.
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36 -s | --wait-for-startup
37 Wait for NetworkManager startup to complete, rather than waiting
38 for network connectivity specifically. Startup is considered
39 complete once NetworkManager has activated (or attempted to
40 activate) every auto-activate connection which is available given
41 the current network state. (This is generally only useful at boot
42 time; after startup has completed, nm-online -s will just return
43 immediately, regardless of the current network state.)
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46 nm-online exits with status 0 if it succeeds, a value greater than 0 is
47 returned if an error occurs.
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49 0
50 Success – already online or connection established within given
51 timeout.
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53 1
54 Offline or not online within given timeout.
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56 2
57 Unknown or unspecified error.
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60 nmcli(1), NetworkManager(8).
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64NetworkManager 1.14.0 NM-ONLINE(1)