# dmesg | grep iwlwifi iwlwifi 0000:02:00.0: irq 44 for MSI/MSI-X If there is no relevant output, check the messages for the full output for the module you identified earlier ( iwlwifi in this example) to identify the relevant message or further issues:

# dmesg | grep firmware iwlwifi 0000:02:00.0: loaded firmware version 39.30.4.1 build 35138 op_mode iwldvm If you get the error message SIOCSIFFLAGS: No such file or directory, it most certainly means that your wireless chipset requires a firmware to function.Ĭheck kernel messages for firmware being loaded:.

If you get errors like RTNETLINK answers: Operation not possible due to RF-kill, make sure that the device is not hard-blocked or soft-blocked.

This is described in #Installing driver/firmware. Many firmware images are provided by the linux-firmware package however, proprietary firmware images are not included and have to be installed separately. Some wireless chipsets also require firmware, in addition to a corresponding driver. At boot, udev takes an inventory of your hardware and loads appropriate modules (drivers) for your corresponding hardware, which will in turn allow creation of a network interface. The default Arch Linux kernel is modular, meaning many of the drivers for machine hardware reside on the hard drive and are available as modules. The Network configuration#Network managers section describes several programs that can be used to automatically manage your wireless interface, some of which include a GUI and all of which include support for network profiles (useful when frequently switching wireless networks, like with laptops). The #iw section describes how to manually manage your wireless network interface / your wireless LANs using iw. This article covers both parts, and provides additional links to wireless management tools. The second is choosing a method of managing wireless connections. The main article on network configuration is Network configuration.Ĭonfiguring wireless is a two-part process the first part is to identify and ensure the correct driver for your wireless device is installed (they are available on the installation media, but often have to be installed explicitly), and to configure the interface.

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