Antivirus Protection for Linux

h1. How to install ClamAV

Installing ClamAV on Ubuntu:

Step 1: Update Package List

<pre>

sudo apt update

</pre>

Step 2: Install ClamAV

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sudo apt install clamav

</pre>

Step 3: Install ClamAV Daemon (freshclam)

<pre>

sudo apt install clamav-daemon

</pre>

Step 4: Start ClamAV Daemon (freshclam)

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sudo systemctl start clamav-freshclam

sudo systemctl enable clamav-freshclam

</pre>

Step 5: Start ClamAV Service (clamd)

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sudo systemctl start clamav-daemon

sudo systemctl enable clamav-daemon

</pre>

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1. Check if freshclam is already running:

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ps aux | grep freshclam

</pre>

If a freshclam process is already running, you'll see an output similar to this. Ensure that freshclam is running as expected and updating the ClamAV database regularly.

$ ps aux | grep freshclam

clamav    12345  3.0  0.0 134420 18216 ?        Ss   09:30   0:03 /usr/bin/freshclam -d --foreground=true

user      54321  0.0  0.0  22856  1100 pts/0    S+   10:15   0:00 grep --color=auto freshclam

If there is no freshclam process running, you can proceed with updating the ClamAV database:

<pre>

sudo freshclam

</pre>

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Reconfigure clamav-freshclam:

Run the following command to reconfigure clamav-freshclam, which will create a new freshclam.conf file in the /etc/clamav/ folder:

<pre>

sudo dpkg-reconfigure clamav-freshclam

</pre>