View server NIC traffic in CentOS

There are two ways to check the server traffic and check for exceptions. 1. Use the built-in command watchmore/proc/net/dev to view the changes in bytes and data packets every two seconds. But not so intuitive. 2. to use the nload command, install it on your own. 1) # yuminstallflexbyacclibpcapncursesncurses-dev

There are two ways to check the server traffic and check for exceptions.

1. Use the built-in command: watch more/proc/net/dev

You can view the changes in bytes and data packets every two seconds. But not so intuitive.

 

2. install the nload command on your own

1) # yum install flex byacc libpcap ncurses-devel libpcap-devel
2) # wget http://www.roland-riegel.de/nload/nload-0.7.4.tar.gz
3) # tar xvfz nload-0.7.4.tar.gz
4) # cd nload-0.7.4
5) #./configure
6) # make & make install

Run the nload command. The result is as follows:

 

 

 

By iefreer