# File lib/rudy/cli/aws/ec2/instances.rb, line 116
116:     def consoles_valid?
117:       if @@global.pkey
118:         raise "Cannot find file #{@@global.pkey}" unless File.exists?(@@global.pkey)
119:         raise "Insecure permissions for #{@@global.pkey}" unless (File.stat(@@global.pkey).mode & 600) == 0
120:       end
121:       raise "No instances" unless Rudy::AWS::EC2::Instances.any?
122:       true
123:     end