Linux · Network Configuration

You want your Linux laptop's Wi-Fi card to act as a hotspot for other devices while it gets internet from Ethernet. What hardware-level condition can block this?

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More in Network Configuration

You edit /etc/network/interfaces on Debian to give your Ethernet card a static IP, but NetworkManager keeps overriding it. What is the underlying rule you violated?

On a headless server you have no GNOME dialogs. Which NetworkManager tools let you configure it, and what is the difference between them?

In the NetworkManager GUI, what single field decides whether an interface gets its address from DHCP versus a static address you type in?

NetworkManager has to coexist with the legacy config systems of many distros. What mechanism lets it do that, and which storage format is now the default?

A Wi-Fi password you saved is now on disk somewhere. Where NetworkManager writes it depends on the distribution — where does Fedora put it versus Ubuntu?

You have a NIC installed but ip link set <iface> up throws an error about no such device. Walk through the sequence of commands to find and load the right kernel driver.

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