I installed mw 1.5.0 on my server: 24 GB RAM, 6 cores CPU, 600GB SSD storage, CentOS 6.9
I had two instances of mw 1.4.3 running fine on the server. I tried to update one of them, but failed. So I completely removed the one instance of mw plus database and installed 1.5.0
I was just adding the...