Iftop command
Installation
The code is as follows |
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[Root@test iftop-0.9]# make [Root@test iftop-0.9]# make install [Root@test iftop-0.9]# Iftop |
Instance
The default is to monitor the traffic of the first network card
Iftop
Monitoring eth1
Iftop-i eth1
Direct IP display without DNS reverse resolution
Iftop-n
Display the port number directly and do not display the service name:
Iftop-n
Show the packet flow in and out of a network segment
Iftop-f 192.168.1.0/24 or 192.168.1.0/255.255.255.0
nload command
Load is currently only compiled and installed based on the source code. CentOS installed by default, you may need to install a few required packages when you compile the installation nload: GCC, gcc-c++, and Ncurses-devel
The code is as follows |
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Yum Install gcc gcc-c++ ncurses-devel wget http://www.roland-riegel.de/nload/nload-0.7.4.tar.gz Tar xvf nload-0.7.4.tar.gz CD nload-0.7.4 ./configure Make Make install |
Upon completion, Nload was installed in the/usr/local/bin/nload.
To view real-time traffic in a graphical manner:
Nload-t 200-i 1024-o 128-u H
Check the flow of the first network card, showing the real-time flow chart
Nload eth0
View the traffic of multiple network adapters at the same time.
Nload-m
Ifstat command
Installation
The code is as follows |
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[Root@test ifstat-1.1]#./configure [Root@test ifstat-1.1]# make [Root@test ifstat-1.1]# make install |
Default use
#ifstat
Eth0 eth1
KB/S in kb/s out kb/s in kb/s out
0.07 0.20 0.00 0.00
0.07 0.15 0.58 0.00
The default ifstat does not monitor the loopback interface, which shows the unit of traffic is KB.
Monitor all network interfaces
# ifstat-a
Lo eth0 eth1
KB/S in kb/s out kb/s in kb/s out kb/s on kb/s out
0.00 0.00 0.28 0.58 0.06 0.06
0.00 0.00 1.41 1.13 0.00 0.00
0.61 0.61 0.26 0.23 0.00 0.00
Ifstat relatively simple to see network traffic profile.
Summarize
Nload:
Network Card Real-time traffic tool (this need to install the system by default no belt.)
Ifstat:
Tool is a network interface monitoring tool, relatively simple to see network traffic
Iftop:
is a real-time flow monitoring tool, monitoring TCP/IP connection, the disadvantage is no report function. Must be run as root.