For Linux VPS line, FUSE / SSHFS is enabled by default. You don't need to run modprobe. This will...

You do not need to clear your RAM cache. Linux has many decades of excellent memory management...

Docker is fully supported for our Linux VPS and Premium VPS plans.It has been enabled by default...

It probably isn't. You may be reading it incorrectly. Please refer to http://www.linuxatemyram.com/

To enable NFS on your VPS, you can simply open a ticket with us and we'll handle the rest.