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lsloan/vagrant_host.md

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Vagrant: host IP address from guest perspective
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vagrant_host.md

Unless specified otherwise in Vagrantfile, the IP address of the host (the computer running Vagrant) from the perspective of the guest (the VM being run by Vagrant) is: 10.0.2.2

If that IP address doesn't work, then examination of Vagrantfile should reveal directives that changed it from its default value.

If an IP address can't be found in Vagrantfile, then the following command will probably reveal it:

route -A inet

For example, the output may be:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         10.0.2.2        0.0.0.0         UG    0      0        0 eth0
10.0.2.0        *               255.255.255.0   U     0      0        0 eth0
192.168.33.0    *               255.255.255.0   U     0      0        0 eth1

The desired IP address is the Gateway address of the default destination, which in this case is 10.0.2.2.

@marchrius
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marchrius commented Mar 31, 2017 •
edited

Don't forget to specify * as root

@wmcmurray
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Oh god, thank you !

@contrun
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contrun commented Jul 8, 2022

You may also just use the magic host _gateway.

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