1
vote
3answers
276 views

Who created files in “/proc” with my username?

I just learned about file security, user & group, etc. And I appreciate a lot about the elegance of the filesystem of linux. My username is lyg, and I found there are some files with owner lyg in ...
4
votes
2answers
1k views

What is the best way to secure my EC2 server in regards to the SSH?

I have a Amazon ec2 instance, and was curious on if I should change the username (the default is ubuntu) or not? Since you need a public SSH key in order to access the server, I don't think you do, ...