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Scanning for malware by using ClamAV Scan
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Prerequisites
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How can I install ClamAV on a Linux server?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

**ClamAV** is a popular open-source antivirus engine available on a multitude of platforms including the majority of Linux distributions. Install and scan it on your Linux server with the following command.

Step 1: Installation
^^^^^^^^^^^^^^^^^^^^
**For Ubuntu / Debian**

::
   
   apt-get install clamav clamav-daemon


**For CentOS**

:: 

   yum install clamav clamav-daemon


**For CentOS Stream / Redhat**

::
   
    dnf --enablerepo=epel -y install clamav clamav-update

Please refer the sample output below:

.. image:: images/clam1.png

Step 2: Go to **/etc** folder and edit **freshclam.conf** file. 

::

    vim /etc/freshclam.conf

.. image:: images/clam2.png

.. Note:: Please edit and comment the 8th line of the **freshclam.conf** file as mentioned in above screenshot.


Step 2: Update Database
^^^^^^^^^^^^^^^^^^^^^^^ 

The below command will install the signature database in your machine.

::
   
   freshclam

Please refer the sample output below:

.. image:: images/clam3.png

Step 3: Run a Manual Scan
^^^^^^^^^^^^^^^^^^^^^^^^^

Run the following command to scan your server 

**For CentOS / CentOS Stream / Redhat / Ubuntu / Debian**

::
   
   clamscan -i -v -r /

The above command will list the infected files.

.. Note:: To Enable logging of the scan report please enter the below commnad to save the report, as output file.

::

  clamscan -i -v -r --log=logfile.txt /

The above command will store the logs to **logfile.txt.**