> mkdir redmine > cd redmine > vagrant init chef/centos-6.5 > vim Vagrantfile # enable gui # vb.cutomize ["modifyvm", :id, "--memory", "2048"] # IP address: 10.0.0.100 > vagrant upuser name: vagrant password : vagrant$ wget --no-check-cert…

It can take some work to show that something is not an affine variety. For example, consider the set[tex: X = \{(x,x) : x \in \mathbb{R}, x \neq 1} \