How do I check system specifications?

Hit Super (Start button in windows) , Type and and open System Monitor.

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For full details system information use HardInfo : Click to install.

HardInfo can display information about both your system's hardware and operating system.

for command line solutions, you can use the command lshw.

Install it if needed:

sudo apt-get install lshw

then run something like

sudo lshw -html > mySpecs.html

then check the html file.

Just

lshw | less

Comment : lshw-> ls(list) hw(hardware)

should give you what you need. On ec2 14.04 I found it pre installed so I am going to assume its part of Ubuntu 14.04 package now and you do not need to exclusively install it