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The ethtool command is used to display/change Ethernet adapter settings. You can change network card speed, auto-negotiation, wake on LAN setting, duplex mode using this tool in Linux.
How does ethtool change speed?
To change Speed and Duplex of an ethernet card, we can use ethtool – a Linux utility for Displaying or Changing ethernet card settings.
- Install ethtool. …
- Get the Speed, Duplex and other information for the interface eth0. …
- Change the Speed and Duplex settings. …
- Change the Speed and Duplex settings Permanently on CentOS/RHEL.
How do I check my ethtool link status?
How to check network adapter status in Linux
- The above command indicates that my Ethernet is up and running with 192.168. 2.24/24 IP address. …
- Run: sudo ethtool -i eno1.
- Run wavemon command to find out Wireless network speed, signal Strength and other information from the CLI: wavemon.
