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ChewbaccaKL
Asked: 2015-11-23 13:17:14 +0800 CST

How to get a list of all network interfaces using ifquery

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The documentation states that

ifquery --list

gives a list of all interfaces specified in /etc/network/interfaces (and includes). In fact in both Debian Jessie and Ubuntu 14.04 it lists all interfaces that have auto INTERFACENAME stanza and skips those without auto line.

Is there a way to list all interfaces that have iface NAME stanza using ifquery?

No, using ip link list doesn't do the trick because the interface specified in /etc/network/interfaces does not have to exist when ifquery is called.

ubuntu

2 Answers

  1. As stated in another answer ifconfig -a will take you there. However, ifconfig resides in /sbin directory, which is not included in PATH for regular users on most platforms and it may be too verbose for your purpose.

    The alternative is

    ip link

    which is available to regular users.

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  2. Though some think it is a bit dated (what's wrong with tried and true?), I like to use the following to quickly see all network interfaces:

    ifconfig -a

    It's part of the net-tools package, exists on pretty much all linux distros since a couple of decades and normally is installed by default.

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