From dadf03afa37c785d5bb68396381eb3105178847f Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Wed, 6 Sep 2023 09:34:16 -0600 Subject: virtualization module --- virtualization/virtual_machines.md | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 virtualization/virtual_machines.md (limited to 'virtualization/virtual_machines.md') diff --git a/virtualization/virtual_machines.md b/virtualization/virtual_machines.md new file mode 100644 index 0000000..e39e000 --- /dev/null +++ b/virtualization/virtual_machines.md @@ -0,0 +1,37 @@ +**Question 1** + +Run the Linux OS as a virtual machine, or run the application in a containerized Linux environment (which +is the same abstraction). + +**Question 2** + +A native system virtual machine has dedicated hardware to run the hypervisor, while a hosted system +virtual machine runs a hypervisor as a process in the operating system. + +**Question 3** + +A virtual machine hosts an entire operating system and requires users to perform configuration if they +want to run an application, whereas a Virtual Appliance is built to provide an easy plug-and-play virtual +machine image built to run some specific software stack. + +**Question 4** + +In a large application sense, containerizing services into their own virtual machines allows for easier +replication, scaling, and networking. Instead of running several smaller servers, one large server can +host several applications in parallel. This provides a good seperation of concern. And, if one service +goes down, the whole system does not go down with it. + +Locally, it can help in development when targeting another operating system. Virtual machines can be +used to verify builds without installing a whole other operating system. + +**Question 5** + +A virtual machine monitor is just another term for a hypervisor, so, see question 2. + +**Question 6** + +The three components of a virtual machine are: + +1. The host +2. The virtualization layer +3. The guest -- cgit v1.3