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Lychee 荔枝 - ClamAV On-Access Scanning Installer Script
ClamAV’s On-Access scanning can detect the known malwares/virus in real time. Any Debian/RPM based Linux system can install this script when FANOTIFY is configured in your Linux kernel.
According to the developers that ClamAV is mainly designed for files upload, files downloads and file transfers.
Verify
cat /boot/config-$(uname -r) | grep FANOTIFY
The suitable display is :
CONFIG_FANOTIFY=y
CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
When you see the following message, your Linux system is not suitable for this script.
CONFIG_FANOTIFY_ACCESS_PERMISSIONS is not set
Softwares
- ClamAV 1.1.0
- Ubuntu 22.04.2 LTS
Remarks : ClamAV uses about 3GB RAM.
Change Log
Version 0.6 (Dated MAY 02, 2023) (Latest)
- Updated to ClamAV 1.1.0
Version 0.5 (Dated FEB 16, 2023)
- Updated to ClamAV 1.0.1
Version 0.4 (Dated JAN 05, 2023)
- Minor modified
Version 0.3 (Dated JAN 01, 2023)
- Add configure file
Version 0.2 (Dated DEC 30, 2022)
- Add uninstallers
Version 0.1 (Dated DEC 28, 2022)
- First release for ClamAV 1.0.0
Remarks : This script is developed by Samiux and it is released under GPLv3. It is an Open Source Project.
Install and/or Update
Download the script.
git clone https://github.com/samiux/lychee
Edit the related parts at the top parts of the script.
cd lychee
nano lychee.conf
Then run the script to install ClamAV On-Access scanning.
sudo chmod +x clamav-installer
sudo ./clamav-installer
Please allow about 1 to 2 minutes for ClamAV to load the signatures.
You can run this script at any time on the same Linux system box without any harm.
Modification
If you require to make change to the clamd.conf (for example, include or exclude some directories), you can edit it.
sudo nano /usr/local/etc/clamd.conf
After the edit, you should restart the ClamAV On-Access function.
sudo systemctl restart clamav-clamonacc.service
To verify the startup.
sudo cat /var/log/clamav/clamonacc.log
Uninstall
sudo chmod +x deb-clamav-uninstaller
sudo ./deb-clamav-uninstaller
Remove lychee directory
sudo rm -R lychee
Test file
Known issues
BUG : /home and it’s sub-directories cannot be used in OnAccessIncludePath- ClamAV uses at least 3GB RAM.
- Non-existent directory will cause high CPU usage.
- Cannot detect virus on Pen Drive (i.e. external mounted directories).
Reference
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