How to install the Nessus vulnerability scanner on Rocky Linux

For those who’re searching for the most effective vulnerability scanners available on the market, Nessus could be the ticket. Jack Wallen exhibits you the way to set up this platform on Rocky Linux.

Network administrator working in data center

Picture: Gorodenkoff/Shutterstock

Nessus is a extremely popular vulnerability scanner utilized by tens of 1000’s of organizations throughout the globe. And though Nessus does not forestall assaults, it does a incredible job of checking for vulnerabilities and loopholes in your organization’s infrastructure. 

With the assistance of this web-based GUI scanner, you’ll be able to keep apprised of any points which may come up in your community servers. I will stroll you thru the method of putting in Nessus Necessities on Rocky Linux.

Nessus Necessities can scan as much as 16 IPs. If it is advisable to scan greater than that, you may must buy a license for Nessus Skilled, which might scan limitless IPs and presents loads of different enterprise-ready options.

With that stated, let’s get to the set up.

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What you may want

To get an activation code, head over to the Nessus merchandise web page, the place you may be requested to register. When you register, you may obtain the activation code in your inbox.

With these three items of the puzzle on the prepared, let’s get this put in.

How one can set up the Nessus vulnerability scanner

Within the activation electronic mail, you may see a hyperlink to the Nessus obtain web page. Click on that hyperlink to obtain the rpm installer for Crimson Hat/CentOS 8/Oracle Linux 8. 

Ah ha! For those who’ve put in Rocky Linux with out a desktop surroundings, you have already found the primary concern. You may’t use that obtain hyperlink with wget, since you should conform to a license popup first. Due to that (in case your server does not have a GUI), you may must obtain the file on one other machine and use scp to repeat the file like so (the place XXX is the discharge quantity, USER is a distant username on Rocky Linux, and SERVER is the IP handle of your Rocky Linux server):

scp Nessus-XXX.rpm [email protected]:/residence/USER

After getting the file saved on Rocky Linux, open a terminal window on the server, develop into the listing housing the file and concern the command:

sudo rpm -i Nessus-*.rpm

After the set up completes, begin and allow Nessus with:

sudo systemctl begin nessusd
sudo systemctl allow nessusd

Subsequent, you could open the firewall to the Nessus port; in any other case, you may solely be capable of entry the Nessus GUI from the server. To open the port, concern the next instructions:

sudo firewall-cmd --zone=public --add-port=8834/tcp --permanent
sudo firewall-cmd --reload

How one can entry the Nessus GUI

Now you can open a browser and level it to https://SERVER:8834 (the place SERVER is the IP handle of the internet hosting server). When prompted (Determine A), choose Nessus Necessities and click on Proceed.

Determine A

nessusa.jpg

Choose the model of Nessus to put in.

Within the ensuing window (Determine B), click on Skip as a result of we have already got an activation code.

Determine B

nessusb.jpg

Since you have already got an activation code, click on Skip.

Now paste the activation code you obtained by way of electronic mail (Determine C).

Determine C

nessusc.jpg

Enter your activation code and click on Proceed.

At this level, every part slows down. It can take appreciable time for the set up to finish (so long as you see Downloading plugins, you have to be okay). Stroll away–when you do not, you may assume one thing has gone unsuitable. As soon as Nessus hits the compilation step of the plugin set up, it would take as much as an hour for this to finish.

After the set up completes, you’ll be able to log in with the credentials you created and begin operating scans.

And that is all there may be to getting Nessus put in and operating in your Rocky Linux server. Subsequent time round, we’ll stroll via the method of operating scans in your techniques.

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