Could not resolve host: files.avast.com....domain name not found

Avast Business Avast Business for Linux
1

Error message- Could not resolve host: files.avast.com (domain name not found)

I’m getting the above mentioned error message when I try to update Avast database.

How do I fix it?

2

try in terminal:

host files.avast.com
nslookup files.avast.com
dig files.avast.com

… to check where’s the problem in your system resolver. tcpdump, sniffing for UDP packets at the port 53 (maybe your server doesn’r respond).

regards,
pc

3

I have no understanding what you’re telling me to do.

4

opening application/utilities/terminal.app, and typing those commands. it’s not avast fault, as it seems, but bad connectivity or DNS settings. those commands will help you diagnose the DNS problem.

regards,
pc

5

I think Zilog right,

I do use terminal to update avast using command line, its more convenience :slight_smile:

6

I got the results. What am I supposed to do with them? They’re meaningless to me.

You update Avast manually? How exactly do I do that?

7

What is your system (specifically)?

I use command line:

avast-update
8

I just tried that and it works.

Sometimes I also to shut down the Firewall (not the router) and that’ll solve many problems.

Thanks for the help.

9

You are welcome,

If that command line works for you, there should be another commands that could be effective as super user/admin:

To scan all local drives (but not other partition(s) that not belong to the system):

avast

Scan the file or all files in a directory as specified by for viruses with no automatic action upon finding any infections.

avast

Scan the file or all files in a directory as specified by and if an infection or infections are found, avast! will automatically delete the infected files.

avast --continue 1

To scans only the a directory’s content and not any sub-directories inside of it, use

avast -d
,

I took this command from: http://en.opensuse.org/Using_Avast_Anti_Virus