How to check network card driver in linux

Below are some more commands you can use to get the NIC firmware and driver related details and information. On SLES. # hwinfo --network | grep Driver | sort | uniq Driver Modules: "igb" Driver: "igb". On RHEL 7. Next is ‘lshw’ utility, if this is not available you can get this from the Red Hat repo. NOTE:Estimated Reading Time: 1 min. #!/bin/bash for f in /sys/class/net/*; do dev=$(basename $f) driver=$(readlink $f/device/driver/module) if [ $driver ]; then driver=$(basename $driver) fi addr=$(cat $f/address) operstate=$(cat $f/operstate) printf "%10s [%s]: %10s (%s)\n" "$dev" "$addr" "$driver" "$operstate" done.  · 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 .

Command to check network adapter names in Linux. Open the Terminal application and type the following command to see all network device names and other info: sudo lshw -class network -short. Sample outputs: H/W path Device Class Description ===================================================== / 0 / /1c/ 0 wlp1s0 network Wireless / / 0 / /1f.6 eno1 network Ethernet Connection ILM / 2 virbr0-nic network Ethernet interface / 3 virbr0 network Ethernet interface. 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. 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.

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