“ethtool” is a command-line utility used for examining and configuring Ethernet network interfaces in Linux systems. It allows users to view and change various parameters of network interfaces, such as speed, duplex mode, auto-negotiation, and more.
Here are some key features of the “ethtool” utility:
- Query interface information: The “ethtool” utility allows users to query information about Ethernet network interfaces, such as the driver version, firmware version, link status, speed, and duplex mode.
- Change interface settings: Users can use “ethtool” to change various settings of Ethernet network interfaces, such as speed, duplex mode, auto-negotiation, and flow control.
- Test interface performance: “ethtool” includes options for testing the performance of Ethernet network interfaces, such as the bandwidth available for transmit and receive, and the number of packets dropped.
- Diagnose problems: The “ethtool” utility can be used to diagnose problems with Ethernet network interfaces, such as packet loss, collisions, or errors.
- Scripting support: “ethtool” can be used in scripts to automate the configuration and management of Ethernet network interfaces.
- Compatibility: “ethtool” is compatible with a wide range of Ethernet network interfaces and drivers.
Installing ethtool software package in Debian
You can install the ethtool software package in Debian operating system using the below command:
$ sudo apt-get update $ sudo apt-get install ethtool
ethtool is now installed in your system. Make ensure the ethtool package were installed using the commands given below:
$ sudo dpkg-query -l | grep ethtool *
Summary
Overall, “ethtool” is a useful utility for managing and troubleshooting Ethernet network interfaces in Linux systems. Its ability to change settings, test performance, and diagnose problems makes it a valuable tool for system administrators and network engineers.