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6. Network Management

• Network Management
• ifplugd

6.a. Network Management

If you and your computer are always on the move, you may not always have an ethernet cable or plugged in or an access point available. Also, you may want networking to automatically work when an ethernet cable is plugged in or an access point is found.

Here you can find some tools that help you manage this.

6.b. ifplugd

ifplugd is a daemon that starts and stops interfaces when an ethernet cable is inserted or removed. It can also manage detecting association to Access Points or when new ones come in range.

# emerge sys-apps/ifplugd

Configuration for ifplugd is fairly straightforward too. The configuration file is held in /etc/conf.d/net. Run man ifplugd for details on the available variables. Also, see /usr/share/doc/openrc-*/net.example.bz2 for more examples.

(Replace eth0 with the interface to be monitored)
ifplugd_eth0="..."

(To monitor a wireless interface)
ifplugd_eth0="--api-mode=wlan"

In addition to managing multiple network connections, you may want to add a tool that makes it easy to work with multiple DNS servers and configurations. This is very handy when you receive your IP address via DHCP. Simply emerge openresolv.

# emerge openresolv

See man resolvconf to learn more about its features.

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