After running nc-audit your might see the following and wonder how to update Lynis:
`! Version of Lynis is very old and should be updated [LYNIS]
https://cisofy.com/controls/LYNIS/`
Well this is how you can update Lynis (these instructions were slightly modified from CISOfy)
Import key from server
Copy and paste the line below and then hit enter.
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C80E383C3DE9F082E01391A0366C67DE91CA5D5F
After you hit enter, you should see this code output:
Executing: /tmp/apt-key-gpghome.1wEImqGOzn/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys C80E383C3DE9F082E01391A0366C67DE91CA5D5F
gpg: key 366C67DE91CA5D5F: public key "CISOfy Software (signed software packages) " imported
gpg: Total number processed: 1
gpg: imported: 1
Side note if you use your software in English:
If you use your software in English, you can enter the following code to configure APT to skip downloading translations
Copy and paste the line below and then hit enter.
echo 'Acquire::Languages "none";' | sudo tee /etc/apt/apt.conf.d/99disable-translations
After you hit enter, you should see this code output:
Acquire::Languages "none";
2. Add software repository
Copy and paste the line below and then hit enter.
echo "deb https://packages.cisofy.com/community/lynis/deb/ stable main" | sudo tee /etc/apt/sources.list.d/cisofy-lynis.list
After you hit enter, you should see this code output:
deb https://packages.cisofy.com/community/lynis/deb/ stable main
Run apt update
Copy and paste the line below and then hit enter.
sudo apt update
After you hit enter, your code output will look similar to what is pasted below:
Hit:1 http://archive.raspberrypi.org/debian stretch InRelease
Hit:2 http://raspbian.raspberrypi.org/raspbian stretch InRelease
Get:3 https://packages.cisofy.com/community/lynis/deb stable InRelease [11.4 kB]
Get:4 https://packages.cisofy.com/community/lynis/deb stable/main armhf Packages [672 B]
Fetched 12.1 kB in 1s (7,075 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
7 packages can be upgraded. Run 'apt list --upgradable' to see them.
Run apt upgrade
Copy and paste the line below and then hit enter.
sudo apt upgrade
After you hit enter, your code output will look similar to what is pasted below:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
libraspberrypi-bin libraspberrypi-dev libraspberrypi-doc libraspberrypi0 lynis raspberrypi-bootloader raspberrypi-kernel
7 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 70.0 MB of archives.
After this operation, 105 kB of additional disk space will be used.
Do you want to continue? [Y/n]
Type Y to continue and then hit Enter.
After you hit enter, your code output will look similar to what is pasted below. Also, note I didn’t paste all of the output because it was long)
Get:1 http://archive.raspberrypi.org/debian stretch/main armhf libraspberrypi-doc armhf 1.20180910-1 [31.4 MB]
Get:2 https://packages.cisofy.com/community/lynis/deb stable/main armhf lynis all 2.6.8-100 [216 kB]
...etc...
Preparing to unpack .../0-lynis_2.6.8-100_all.deb ...
Unpacking lynis (2.6.8-100) over (2.4.0-1) ...
dpkg: warning: unable to delete old directory '/etc/lynis/plugins': Directory not empty
...etc...
Setting up lynis (2.6.8-100) ...
Installing new version of config file /etc/lynis/default.prf ...
Processing triggers for mime-support (3.60) ...
...etc...
Setting up libraspberrypi0 (1.20180910-1) ...
Setting up libraspberrypi-doc (1.20180910-1) ...
Setting up libraspberrypi-dev (1.20180910-1) ...
Setting up libraspberrypi-bin (1.20180910-1) ...
Check if Lynis has been updated
Copy and paste the line below and then hit enter.
lynis show version
After you hit enter, you should see it list the latest version:
‘2.6.8’
You’re done!
We hope this doc was helpful, if you encounter any issues please reach out to the community.
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