How to check network card drivers in linux

 · In this tutorial, I will describe how to find Ethernet NIC information from the command line in Linux. Method One: ethtool. The first method is to use ethtool, a command-line tool for checking or modifying PCI-based Ethernet card settings. To install ethtool .  · Let us try to find the Link status and Duplex information of the Network Card. To check the link status and driver information of the NIC card, you could go ahead and try the command provided below. dmesg | grep -i duplex. I ran above said command and here is the output of above said command. You could also use mii-tool to find the NIC link status.

We can also use the same 'ifconfig' command in many UNIX variants, for example FreeBSD, to list available network cards. 2. List network interfaces using ip command. The 'ifconfig' command is deprecated in the latest Linux versions. So you can use 'ip' command to display the network interfaces as shown below. $ ip link show. Sample output. Use lspci command Linux command to show list of network cards. Type the following lspci command along with egrep command to filter out devices: # lspci | egrep -i --color 'network|ethernet'. # lspci | egrep -i --color 'network|ethernet|wireless|wi-fi'. Sample outputs from my Linux server. How to Troubleshoot WiFi Drivers on Linux Method 1: Inspecting the syslog File for Wireless Driver Errors. If you use Debian, any version of Ubuntu regardless of Method 2: Checking Out Network Manager Information. From a command prompt interface, try issuing the command nmcli nm Method 3.

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