Master Linux server traffic monitoring methods - yum and vnStat

For Linux server administrators, they must always keep track of the server's traffic and take appropriate measures to ensure the stability and security of the server. In terms of traffic monitoring, yum and vnStat are two very useful tools that can help us quickly and easily obtain and analyze the network traffic information of the server.

Because many vps or servers have limited traffic, but many service providers do not provide detailed traffic meters, such as daily traffic meters, so some people must want to know that the VPS server has finally run a lot of traffic. vnstat is a very useful server traffic statistics command.

Linux has two installation methods to view network card traffic through vnstat:

Yum installation or source code compilation and installation.

yum installation

Run directly

yum install vnstat  -y

Test after installation:

[root@21yunwei ~]# vnstat  -l -i  eth0
Monitoring eth0...    (press CTRL-C to stop)
 
   rx:        0 kbit/s     0 p/s          tx:        0 kbit/s     0 p/s^C
 
 
 eth0  /  traffic statistics
 
                           rx         |       tx
--------------------------------------+------------------
  bytes                    14.35 MiB  |       13.87 MiB
--------------------------------------+------------------
          max            5.80 Mbit/s  |     3.67 Mbit/s
      average           82.87 kbit/s  |    80.08 kbit/s
          min               0 kbit/s  |        0 kbit/s
--------------------------------------+------------------
  packets                      16142  |           10523
--------------------------------------+------------------
          max                626 p/s  |         316 p/s
      average                 11 p/s  |           7 p/s
          min                  0 p/s  |           0 p/s
--------------------------------------+------------------
  time                 23.65 minutes

Install vnstat using source code compilation

Applicable to situations where yum cannot be installed on individual systems.

wget http://humdi.net/vnstat/vnstat-1.10.tar.gz
tar xvzf vnstat-1.10.tar.gz
cd vnstat-1.10
make
make install

After installation, the usage method is the same

In short, through the use of the two tools yum and vnStat, we can effectively monitor the network traffic of the Linux server, discover and solve problems in a timely manner, and ensure the normal operation of the server. Therefore, in order to better protect their servers, we strongly recommend that administrators master the use of these two tools and apply them in actual work.

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