Regardless of how you choose to manage your Wordpress installation, I’d place money on you being concerned about security.
The WordPress community is notoriously helpful and supportive, and ridiculously active. Here’s how to connect with them.
Make sharing easy for your readers. Place buttons at the top, side, or bottom of each post, so all readers have to do is click one.
Don’t know the first thing about operating Linux through its powerful command line? Worry no more.