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h1. Install procedure for ClamAV

h2. Requirements

To install ClamAV you will need the following:

* a installed and supported operating system (e.g. CentOS 7.x)

* root-access

* a fast internet connection

* epel

h2. Preliminary Note

This procedure is based on a documentation supplied by https://www.hostinger.com/tutorials/how-to-install-clamav-centos7

h2. Install 

<pre><code class="shell">

yum install clamav-server clamav-data clamav-update clamav-filesystem clamav clamav-scanner-systemd clamav-devel clamav-lib clamav-server-systemd

</code></pre>

h2. SELinux config

<pre><code class="shell">

setsebool -P antivirus_can_scan_system 1

setsebool -P clamd_use_jit 1

</code></pre>

verify changes

<pre><code class="shell">

getsebool -a | grep antivirus

</code></pre>

<pre>antivirus_can_scan_system --> on

antivirus_use_jit --> on</pre>

h2. ClamAV config

remove 'example'-string from config-file

<pre><code class="shell">

sed -i -e "s/^Example/#Example/" /etc/clamd.d/scan.conf

</code></pre>

open config file and uncomment following line

<pre><code class="shell">

vim /etc/clamd.d/scan.conf

</code></pre>

<pre>#LocalSocket /var/run/clamd.scan/clamd.sock</pre>

remove 'example'-string from freshclam-config file

<pre><code class="shell">

sed -i -e "s/^Example/#Example/" /etc/freshclam.conf

</code></pre>

h2. update virus-DB

<pre><code class="shell">

freshclam

</code></pre>

should result in following output

<pre>

ClamAV update process started at Tue Dec  19 09:30:20 2016

main.cvd is up to date (version: 57, sigs: 4218790, f-level: 60, builder: amishhammer)

Trying host database.clamav.net (69.163.100.14)...

Downloading daily.cvd [100%]

daily.cvd updated (version: 22739, sigs: 1100989, f-level: 63, builder: neo)

Downloading bytecode-279.cdiff [100%]

Downloading bytecode-280.cdiff [100%]

Downloading bytecode-281.cdiff [100%]

Downloading bytecode-282.cdiff [100%]

Downloading bytecode-283.cdiff [100%]

bytecode.cld updated (version: 285, sigs: 57, f-level: 63, builder: bbaker)

Database updated (5319836 signatures) from database.clamav.net (IP: 168.143.19.95)

</pre>

h2. Service 

<pre><code class="shell">

systemctl start clamd@scan

systemctl enable clamd@scan

</code></pre>