Latest questions in Cloud Computing

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How do I configure Block Storage to use an NFS storage back end in OpenStack?

Hi@akhtar, You can use NFS technology for your ...READ MORE

Mar 19, 2020 in OpenStack by MD
 • 95,440 points • 1,155 views
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1 answer

How can I create and attach a volume to an instance?

Hi@akhtar, To create an additional storage in OpenStack, ...READ MORE

Mar 19, 2020 in OpenStack by MD
 • 95,440 points • 1,049 views
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1 answer

What are the pro/cons of adding NAS services/APIs to Cinders?

Hi@MD, Mirantis is in the business of deploying ...READ MORE

Mar 19, 2020 in OpenStack by akhtar
 • 38,230 points • 513 views
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1 answer

Is data permanent inside an OpenStack instance?

Hi@akhtar, Storage is found in many parts of ...READ MORE

Mar 19, 2020 in OpenStack by akhtar
 • 38,230 points • 577 views
0 votes
1 answer

If OpenStack is free, then why do people use the cloud of other cloud vendors considering they are paid?

Hi@akhtar, Though Openstack is free and open, it has ...READ MORE

Mar 19, 2020 in OpenStack by MD
 • 95,440 points • 3,151 views
0 votes
1 answer

How to create new router in OpenStack?

Hi@akhtar, You can create a router in OpenStack. ...READ MORE

Mar 18, 2020 in OpenStack by MD
 • 95,440 points • 636 views
0 votes
1 answer

How to create a public network in OpenStack?

Hi@akhtar,  In OpenStack you are the admin of ...READ MORE

Mar 18, 2020 in OpenStack by MD
 • 95,440 points • 3,541 views
0 votes
1 answer

How to create a network in OpenStack automatically?

Hi@akhtar, To create the router automatically, provide the ...READ MORE

Mar 18, 2020 in OpenStack by MD
 • 95,440 points • 705 views
0 votes
1 answer

What's the difference between the OpenStack Networking (neutron) and the Legacy Networking (nova-network)?

Hi@akhtar, It depends on your requirement. Let's discuss ...READ MORE

Mar 18, 2020 in OpenStack by MD
 • 95,440 points • 1,392 views
0 votes
2 answers

What is the difference between the Red Hat OpenStack and Red Hat Virtualization, and how can they work together?

Hello, Red Hat OpenStack Platform is a commercially supported ...READ MORE

Jul 18, 2020 in OpenStack by Lily
 • 260 points • 3,598 views
0 votes
1 answer

working on OpenStack Neutron good for a fresher?

Hi@akhtar, Neutron is just one service in OpenStack. ...READ MORE

Mar 18, 2020 in OpenStack by MD
 • 95,440 points • 545 views
0 votes
1 answer

error: no VPC found, AWS Lambda does not support Elastic IPs without using VPC.

Hi@akhtar, When you run Lambda outside your VPC ...READ MORE

Mar 18, 2020 in AWS by MD
 • 95,440 points • 800 views
0 votes
1 answer

not able to delete a security group for my Amazon VPC in AWS?

Hi@akhtar, When you try to delete that security ...READ MORE

Mar 18, 2020 in AWS by MD
 • 95,440 points • 2,378 views
0 votes
1 answer

Configure multiple public subnets in a single AWS VPC.

Hi@akhtar, Yes, you can configure multiple public subnets ...READ MORE

Mar 18, 2020 in AWS by MD
 • 95,440 points • 2,233 views
0 votes
1 answer

Why do we need to create our own VPC in AWS?

Hi@akhtar, Yes, in AWS you will get one ...READ MORE

Mar 18, 2020 in AWS by MD
 • 95,440 points • 2,622 views
0 votes
1 answer

How To Migrate Running Instances From One Openstack Compute Server To Another Openstack Compute Server ?

Hi@akhtar, You can migrate your instance in OpenStack ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 990 views
0 votes
1 answer

How can I do SSH inside my instance in OpenStack?

Hi@akhtar, Yes, there is nothing wrong with your ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 2,193 views
0 votes
1 answer

error: server error. Is Neutron not working properly?

Hi@akhtar, We can't say Neutron is the one ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 970 views
0 votes
1 answer

How to reset error state of a instance into active in OpenStack env?

Hi@akhtar, There are some scenarios where some instances ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 8,841 views
0 votes
1 answer

How to execute command inside network namespace in OpenStack?

Hi@akhtar, Let’s assume you want to execute “ifconfig” command ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 1,081 views
0 votes
1 answer

Instance is not pingable from outside in OpenStack!

Ho@akhtar, There is nothing wrong. But when you ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 5,914 views
0 votes
1 answer

How to create an instance in OpenStack?

Hi@akhtar, When we try to launch an instance ...READ MORE

Mar 17, 2020 in OpenStack by anonymous
 • 95,440 points • 2,243 views
0 votes
1 answer

Can anyone explain, how nova works internally?

Hi@akhtar, Nova is comprised of multiple server process, ...READ MORE

Mar 17, 2020 in OpenStack by MD
 • 95,440 points • 1,377 views
0 votes
1 answer

How to delete image in OpenStack?

Hi@akhtar, There are two ways to delete an ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 3,664 views
0 votes
1 answer

How to update an image properties in OpenStack?

Hi@akhtar, You can update your image properties. Follow ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 950 views
0 votes
1 answer

How to create an image in OpenStack?

Hi@akhtar, Actually this is the fun in OpenStack. ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 2,685 views
0 votes
1 answer

What is Horizon in OpenStack?

Hi@akhtar, OpenStack Dashboard (codenamed Horizon) is a graphical ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 797 views
0 votes
1 answer

What is basic OpenStack Architecture?

Hi@akhtar, Basic Architecture of OpenStack is given below. OpenStack ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 1,751 views
0 votes
1 answer

Can anyone explain me the Architecture of Glance service in OpenStack?

Hi, OpenStack Glance has a client-server architecture that ...READ MORE

Mar 16, 2020 in OpenStack by akhtar
 • 38,230 points • 1,292 views
0 votes
1 answer

What are the three different components of the modular OpenStack architecture model?

Hi@akhtar, There are three different types of modular OpenStack ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 1,758 views
0 votes
1 answer

What is the meaning of term “Glance” in OpenStack service?

Hi@akhtar, Glance is image service in OpenStack. The ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 1,196 views
0 votes
1 answer

Explain what hypervisor is and what type of hypervisor does OpenStack supports?

Hi@akhtar, The Hypervisor is defined as firmware or ...READ MORE

Mar 16, 2020 in OpenStack by MD
 • 95,440 points • 1,757 views
0 votes
1 answer

Why AWS or OpenStack launch instances so fast?

Hi@akhtar, Actually AWS or Openstack uses pre-installed image. ...READ MORE

Jun 4, 2020 in OpenStack by MD
 • 95,440 points • 629 views
0 votes
1 answer

What kind of data generates from EC2 to EBS in AWS

Hi, First thing is EC2 is a compute service whereas EBS is ...READ MORE

Mar 16, 2020 in AWS by MD
 • 95,440 points • 963 views
0 votes
0 answers

AWS Lambda to revert back S3 “block all public access” if someone changed it to allow public access

I'm trying to use AWS Lambda to ...READ MORE

Mar 14, 2020 in AWS by Pavan
 • 150 points • 1,031 views
0 votes
1 answer

Can we install OpenStack inside docker container?

Hi@akhtar, Yes, you can install OpenStack inside docker ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 2,492 views
0 votes
2 answers

What is packstack in OpenStack?

Packstack is a utility that uses Puppet ...READ MORE

Apr 5, 2020 in OpenStack by anonymous
 • 1,332 views
0 votes
1 answer

Do we need internet connection when installing OpenStack in our own system?

Hi@akhtar, Yes, you need internet connection at the time ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 498 views
+1 vote
1 answer

Why do we need to disable firewalld and NetworkManager in OpenStack?

Hi@akhtar, By default in Linux there are security ...READ MORE

Mar 13, 2020 in OpenStack by akhtar
 • 38,230 points • 2,119 views
0 votes
1 answer

Why do we need static IP for installing OpenStack?

Hi@akhtar, We know we get IP from DHCP ...READ MORE

Mar 13, 2020 in OpenStack by akhtar
 • 38,230 points • 738 views
0 votes
1 answer

How to get OpenStack software for installation?

Hi@akhtar, There are two ways to get OpenStack ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 633 views
0 votes
1 answer

Is OpenStack provides all types of Storage services that AWS provides?

Hi@akhtar, Yes, OpenStack provides all the storage services ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 444 views
0 votes
1 answer

What are the key services that OpenStack provides?

Hi@akhtar, OpenStack provides all the services that AWS ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 539 views
0 votes
1 answer

How do I install OpenStack in RHEL 7/CentOS 7?

Hi@akhtar, Follow the below steps to install OpenStack. IP ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 2,391 views
0 votes
1 answer

Which one is better to learn OpenStack or AWS?

Hi@akhtar, It depends on you what you are ...READ MORE

Mar 13, 2020 in OpenStack by MD
 • 95,440 points • 1,034 views
+1 vote
1 answer

How to upload file from ec2 linux to s3 bucket using lambda function?

Hi@vijaykumar, You can transfer file from ec2 instance ...READ MORE

Mar 11, 2020 in AWS by MD
 • 95,440 points • 9,802 views
0 votes
2 answers

Unable to create resource group using azure portal!

Check for any policies applied or if ...READ MORE

Mar 19, 2020 in Azure by Rakesh Yadav
 • 1,114 views
0 votes
0 answers

how can i see / access my files in amazon s3

I need to know how can I ...READ MORE

Mar 7, 2020 in AWS by Prince
 • 120 points • 562 views
0 votes
1 answer

I had installed apache webserver on ec2 then to deploy auto scalling select previews AMI but apache webserver not install new instances, why ?

Hi@G, You created your image by shutting down ...READ MORE

Mar 4, 2020 in AWS by MD
 • 95,440 points • 1,005 views
0 votes
0 answers

Q: If I have data installed in an EC2 Auto Scaling group, and a new instance is dynamically created later, is the data copied over to the new instances?

Q: If I have data installed in ...READ MORE

Mar 4, 2020 in AWS by anonymous
 • 140 points • 1,489 views
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