Installing a fresh copy of Ubuntu Server 14.04.3 LTS and then:
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install lamp-server^
Is this configuration production-ready in terms of security and stability?
Installing a fresh copy of Ubuntu Server 14.04.3 LTS and then:
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install lamp-server^
Is this configuration production-ready in terms of security and stability?
No. Almost no system will be "production-ready" without configuring it properly according to your needs. Neither in terms of security nor stability/performance.