How to Install vnStat Network traffic monitor On Centos 7

What is vnStat, vnStat is console base network traffic monitor for linux and BSD. vnstat have a view features like :

• gathered statistics persists through system reboots 
• can monitor multiple interfaces at the same time  
• several output options 
• etc
•  

Now we will discuss how to install it on CentOS 7 :

• install epel repositories and enable it

rpm -Uvh http://ftp-stud.hs-esslingen.de/pub/epel/7/x86_64/e/epel-release-7-6.noarch.rpm

How To Install Webmin On Centos 7 using Yum

• First we must create yum webmin repositories

nano /etc/yum.repos.d/webmin.repo

• then fill the webmin.repo files with 

[Webmin]
name=Webmin Distribution Neutral
#baseurl=http://download.webmin.com/download/yum
mirrorlist=http://download.webmin.com/download/yum/mirrorlist
enabled=1

•  save and quit
• install  webimn GPG key using

How To Install Open VPN On Centos 7

• Update your CentOS

 # yum update 

•  Then Install The epel package

 # rpm -Uvh http://ftp-stud.hs-esslingen.de/pub/epel/7/x86_64/e/epel-release-7-6.noarch.rpm

• Then install epel repository, openvpn easy rsa and iptables

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How To Install Dropbear On Centos 7

Today I will discuss how to install Dropbear ssh on CentOS 7.

• Update your CentOS

 # yum update 

•  Then Install The EPL package

 # rpm -Uvh http://ftp-stud.hs-esslingen.de/pub/epel/7/x86_64/e/epel-release-7-6.noarch.rpm

• Install