The majority of people that run an open source operating system on their computers, will download a distribution and allow it to do most of the configuration of their machine automatically.
Whenever I have a client that I deal regularly with, I will make sure that they have some sort of backup system in place.
There are quite a few companies that offer backup solutions in the cloud, which is good for if you want to be sure that your data is backed up in multiple locations, but they have one big disadvantage and that is that it takes ages for the first backup to run, if you have a large amount of data.
I started testing the read only filesystem option on Centos a while ago and have found it to be very stable over the years.
The majority of people have gotten used to using their udev based unix distributions, along with any bugs it decides to manifest and I am sure that they feel comfortable because they are now like the Windows users, who do not mind not being in control of their machines.
When it comes to filesystems the most important thing that a server admin will be concerned about is stability, which will then limit the types of filesystems that they will consider.
Amazon have been running their various web services for a while now and they have been very successful, but it seems that there are a lot of people who do not fully understand what they are getting into when they sign up.
Many people will use a browser extension to try to block adverts on some webpages, but it can take a while if you have quite a few machines to configure. There is another way, which is to have your router handle the adblocking instead, which then means you have to only do the install once.
I have had a look at some of the advice that was given to try to solve this problem and have noticed that most people seem to prefer going the long way around to solving this problem.
So called "hardware" based RAID systems have been around for a while, but have always been expensive, while also offering hardly any options, for the price that you have to pay.