However, we need to first output all network interfaces using the ip command: $ ip link showġ: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 We can also use the ethtool utility to display wireless driver and firmware version information. So it’s good practice to first identify the wireless network card. The domain value may vary in different systems. Here, we’re using the 02:00.0 domain because it’s the identifier of our wireless network card. The -v option produces a more verbose output, while the -s option only shows devices in a specific domain. We can also output the wireless card driver information: $ sudo lspci -v -s 02:00.0 | grep -i 'kernel' We’re using a pipe to combine the lspci command with the grep command. RTLxxxxCE xxx.11ac PCIe Wireless Network Adapter Let’s combine the lscpi command, and the grep command to identify the wireless network card manufacturer: $ sudo lspci | grep -i wirelessĠ2:00.0 Network controller: Realtek Semiconductor Co., Ltd. However, we can use different options to request more verbose outputs. 00:00.0 Host bridge: Intel Corporation Device 9b61 (rev 0c)Ġ0:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 02)Ġ0:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 0c)Ġ0:12.0 Signal processing controller: Intel Corporation Comet Lake Thermal SubsytemĠ0:14.0 USB controller: Intel Corporation Device 02edĠ0:14.2 RAM memory: Intel Corporation Device 02efĠ0:14.5 SD Host controller: Intel Corporation Device 02f5
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