Netwatch allows detailed traffic monitoring of your CentOS system. It shows the total speed at which data transfer is happening for each connection from local system to remote systems. To check the transfer speed from an interface, we can use the following command.
The software enables real-time viewing of network activity. Network usage is tracked on a per host basis. Packet and byte counts are available for all host communication. Router statistics and summary charts are available.
How to install ‘netwatch’?
1. Download latest rpmforge-release rpm from an FTP:
# wget http://ftp.tu-chemnitz.de/pub/linux/dag/redhat/el7/en/x86_64/rpmforge/RPMS/
2. Install rpmforge-release rpm:
# rpm -Uvh rpmforge-release*rpm
3. Install netwatch rpm package:
# yum install netwatch
To start Ethernet/PPP IP Packet monitoring run:
# netwatch -e en0sp3 -nt