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Thread: Questions about ClamAV

  1. #1
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    Question Questions about ClamAV

    I installed ClamAV per this webiste, https://kifarunix.com/how-to-install...-ubuntu-18-04/
    No problems where encountered.

    However I don't understand how to verify that ClamAV is actually running?
    Nor how to check for any viruses/etc that is might have found?
    If a virus/etc was found does this product popup a message?

    I assume there are no graphical interfaces for this product?

    Linus/Ubuntu noob here.

    Thanks in advance.


    Also I don't understand the following commands:
    nice -n 15 clamscan && clamscan -ir /
    cpulimit -z -e clamscan -l 50 & clamscan -ir /
    Last edited by dagmann; 1 Week Ago at 06:01 PM. Reason: updated

  2. #2
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    Re: Questions about ClamAV

    There is a gui, clamtk.
    It's in the repositories.
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  3. #3
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    Re: Questions about ClamAV

    thanks deadflowr

  4. #4
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    Re: Questions about ClamAV

    If you're expecting an always-on virus monitoring program like you find in Windows, there is no such thing for ClamAV. Instead you should run the command

    Code:
    sudo clamscan -r /
    and it will scan all the directories starting at the root ("/").

    Running clamscan with the "-ir" switches will print only infected files.

    The commands you list are designed to run clamscan without it taking over the entire machine. See the manual page for nice for more details. Nice allows you to control how much attention the scheduler pays to a particular program and whether to give it priority over the other (hundreds of) programs running on your system.
    Last edited by SeijiSensei; 1 Week Ago at 09:53 PM.
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  5. #5
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    Re: Questions about ClamAV

    Thanks SeijiSensei

    maybe I will try some other antivirus software

  6. #6
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    Re: Questions about ClamAV

    Quote Originally Posted by dagmann View Post
    Thanks SeijiSensei

    maybe I will try some other antivirus software
    Why? Might be worth reviewing the sticky threads at the top of the security sub-forum first.

  7. #7
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    Re: Questions about ClamAV

    I tried clamAV once upon a time, many moons ago.

    Conclusions:

    1. there is no real need for antivirus on Linux unless you are sharing files with/between Windows users and machines

    2. you need to change your mindset; Linux is not Windows. Are there exploits for Linux? Yes of course. But the system as a whole is secure and not exposed the way a Windows machine would be

    3. security comes in layers; antivirus is not a one size fits all solution

    I have been using Linux for over 15 years now and have never once seen a virus or other exploit that would even make me think I need "antivirus"

    Read the stickies at the top of this forum, inform yourself with online research.

    Good luck!

  8. #8
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    Re: Questions about ClamAV

    Quote Originally Posted by dagmann View Post
    maybe I will try some other antivirus software
    please do tell if you find >>>some other antivirus software?<<< other than clam(+1) or sophos(-1).

  9. #9
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    Re: Questions about ClamAV

    There are commercial vendors of Linux AV/AM software. Many also sell Android AV/AM software.
    https://www.eset.com/int/business/en...tivirus-linux/ is one. They have a personal license and a multiple-device personal license which isn't on their website. Was talking with a guy in their sales a few weeks ago. I don't recall the exact name of the 3-5 device license version. Sorry. My company had E&O insurance which required that we ran current AV with current signatures.

    My email gateway server runs clamav on every inbound email. I can't remember the last time it quarantined anything. It blocks all sorts of things besides positive virus discoveries.

    But most AV is only about 50% effective. To effectively handle viruses/malware, run high risk programs in a container that cannot write to the computer's storage. That is what Canonical's snap packages are about or if you don't have RAM to burn, check out sandboxing tools like firejail. There are other options.

  10. #10
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    Re: Questions about ClamAV

    Last edited by dagmann; 1 Week Ago at 06:08 PM. Reason: update

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