Member Avatar for ben.matthews18

I'm really new to linux or ubuntu and don't know what antivirus to install I have tried installing clamtk and don't know how to update the definitions or virus engine or the gui version.

Any help would be really helpful

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Short, practical checklist based on the thread (paraphrasing and adding concrete steps and traps to avoid).

Install the engine + updater and optionally the GUI. On Ubuntu the packages provide the virus database updater and service; a minimal desktop/server install looks like:

sudo apt update
sudo apt install clamav clamav-daemon clamtk

Run an immediate update and check the updater service afterwards. Manual updates use freshclam; the updater normally runs as a daemon/service under systemd (check or enable it if updates are not happening). (help.ubuntu.com)

To update signatures and verify status:

sudo systemctl enable --now clamav-freshclam.service
sudo systemctl status clamav-freshclam.service
sudo freshclam            # manual update
sudo journalctl -u clamav-freshclam -e

If a corporate proxy is required, add HTTPProxyServer/HTTPProxyPort in /etc/clamav/freshclam.conf; logs and manpages describe the options. (manpages.ubuntu.com)

Scanning and real‑time options. clamscan is fine for occasional scans; clamd + clamdscan is faster for repeated or large scans because the database stays resident in memory. Real‑time/on‑access protection is possible (via clamonacc / clamd on‑access) but needs kernel support (fanotify), care with excluded paths, and tuning to avoid lockups—treat on‑access as an advanced option. (blog.clamav.net)

Troubleshooting notes: check /var/log/clamav/ and journalctl for freshclam/clamd errors; AppArmor or permissions can block database writes. ClamTk provides a simple GUI wrapper, but upstream maintenance and behavior vary—verify the GUI’s update button and the service status if signatures look stale. (en.wikipedia.org)

Relevant references: Ubuntu Community ClamAV notes (installation and basic usage), the freshclam configuration manpage, and ClamAV’s on‑access guidance for tuning and kernel requirements. (help.ubuntu.com)

Recommended Answers

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Member Avatar for n_e

You should have a look at this thread.

Member Avatar for rubberman

You need to install clamav or clamd (depending upon your distribution and/or repositories), not clamtk. Clamtk is a toolkit for using clam in user scripts. If you install the clamav/clamd package, it should also install the appropriate cron autoupdate tools for clamav/clamd so the virus definitions will be kept up-to-date.

Member Avatar for jingda

Linux is pretty much like mac and a few virus rarely target it. There are still anti virus software for linux but less just as what the two above posters have said. You can go to the ClamAv website here. The operating system of linux is pretty much the same as mac thus less virus attacks will occur but that does not mean none. In a few years time, more hackers will develop virus for linux so is better to prepare now and be safe and later be sorry. Good luck

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