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net

Super lightweight network manager.

Usage

RTFM:

$ net help
usage: net [<command>] [<args>] [--config=<config>] [--iface=<interface>]
           [--no-vpn] [--verbose] [-h] [--help]

Shorthands:
  If no positional arguments are given the command is "list".
  If one positional argument is given the command is "connect".

Commands:
  list:
    List available connections.
  scan:
    Scan for access points.
  connect <connection> [<password>]:
    If <connection> is present in the configuration file then use that,
    otherwise connect to an access point with SSID <connection>, using the
    password <password> if specified.
  stop [<interface> [<interface> ...]]:
    Bring down the connection.  Brings down all interfaces if called with no
    arguments.
  dns [<dns> [<dns> ...]]:
    Change DNS server.  No argument or "dhcp" requests DNS servers via DHCP.
  mac [<mac>]:
    Change the MAC address of the interface specified by --iface.  If no address
    is given, one is chosen at random.
  vpn <name> [stop]:
    Connect to, or disconnect from, VPN.
  genkey:
    Generate a WireGuard key pair.
  show [<connection>]:
    Show configuration options.  If no connection is specified, all are show.
  help:
    You're reading it.

Options:
  --config=<config>:
    Select configurations file.  If <config> is "-" no configuration file is
    used.  Defaults to "~/.net.conf".
  --iface=<interface>:
    Select networking interface.  Overridden by configuration file if specified.
    Defaults to first WiFi capable interface found.
  --no-vpn:
    Don't connect to a VPN.  Acts as if the connection configuration did not
    have a `vpn` field.
  --verbose:
    Print every executed command (and the result) to stdout.

The simplest usage is probably connecting to a wireless network:

$ net connect MyWirelessNetwork MySecretPassphrase
Connecting to MyWirelessNetwork
Sending DHCP request
Address acquired: 192.168.1.42

Configuration

The file ~/.net.conf holds a list of configured networks (in YAML). An example is included in .net.conf.example:

#include ".net.conf.example"

Using this config file you can connect to my-home-network using the command:

$ net my-home-network

Notice that the section common does not define a network but rather settings common to all network configurations (in this case using Google's DNS servers, randomizing the MAC address and hostname [<name> will be replaced by an actual name] and connecting to a VPN).

The ignored and vpn sections do not define networks either. The ignored section contains a list of interfaces to be ignored by e.g. net stop and the vpn section contains the OpenVPN configurations for each VPN.

Installing

Put net in your PATH.

Bash completion

Put _net_bash_completion in your path and add the line

_net_bash_completion

to ~/.bash_completion.

Dependencies

Dependency Debian package
/bin/ip iproute2
/sbin/ethtool ethtool
/sbin/iw iw
/sbin/udhcpc udhcpc
/sbin/wpa_cli wpasupplicant
/sbin/wpa_supplicant wpasupplicant
/usr/bin/chattr e2fsprogs
/usr/bin/expand coreutils
/usr/bin/cut coreutils
/usr/bin/pkill procps
/usr/sbin/openvpn openvpn
/usr/bin/wg https://www.wireguard.com/install/
Python package yaml python-yaml / PyPI pyyaml

It is also a good idea to uninstall resolvconf, as it overwrites the DNS settings.

udhcpc is part of the busybox suite, and can be installed, and used, on non-Debian systems, which doesn't have a separate package, by:

  • Install busybox with udhcpc compiled in
  • Hard-link busybox as udhcpc
# ln /bin/busybox /usr/local/bin/udhcpc

common:
  udhcpc-config: /etc/udhcpc/default.script

Contributors

If you want to contribute, feel free to make a pull request on Github, please read CONTRIBUTING and the license first.

This project was originally developed by br0ns and based on IdolfHatler/vcsh-wifi by Idolf. For a complete list; check the log.