I'm running on Ubuntu and I'm currently on linode [Disclosure: Referral Link]. I have followed this tutorial and have successfully set up Virtualmin on my linode and its a breeze creating websites and managing domains using the Virtualmin panel:
However, I'm a little worried about the security of my server. I am not proficient with Linux stuff. SSH is enabled. What steps do I need to take to keep my server safe from hackers and exploiters? Any suggestions would be much appreciated. Thank you.