Most viewed questions in OpenStack

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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
1,089 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
1,072 views
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1 answer

openstack-nova-metadata-api dead but pid file exists.

Hi@akhtar, Surprisingly, the service ‘openstack-nova-metadata-api‘ was already running. ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,440 points
1,053 views
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1 answer

error: 403 forbidden error Missing credentials

Hi@MD, To resolve this issue, use one of ...READ MORE

Mar 23, 2020 in OpenStack by akhtar
• 38,230 points
1,045 views
0 votes
1 answer

Why my Instances boot slowly, or sometimes do not boot in OpenStack?

Hi@akhtar, File injection can cause this problem. To ...READ MORE

Mar 23, 2020 in OpenStack by MD
• 95,440 points
1,033 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
1,030 views
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1 answer

"Failed to schedule_prep_resize: No valid host was found." when trying to resize an instance

Hi@akhtar, To avoid this error you have to ...READ MORE

Mar 30, 2020 in OpenStack by MD
• 95,440 points
1,025 views
0 votes
1 answer

How to config Ceph as backend for OpenStack Swift?

Hi@MD, To use Ceph, follow the below given ...READ MORE

Mar 20, 2020 in OpenStack by akhtar
• 38,230 points
1,017 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
1,007 views
0 votes
1 answer

Empty log output for Linux instances in OpenStack.

Hi@akhtar, This occurs when the Compute service attempts ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,440 points
1,004 views
0 votes
1 answer

ERROR nova.compute.manager [req-cf2679fd-dd9e-4909-807f-48fe9bda3642 admin admin|req-cf2679fd-dd9e-4909-807f-48fe9bda3642 admin admin]

Hi@akhtar, This error occurs when the sg3-utils package ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,440 points
991 views
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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
989 views
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1 answer

Expecting an auth URL via either –os-auth-url or env[OS_AUTH_URL

Hi@akhtar, Probably the OpenStack authentication URLs are not ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,440 points
984 views
0 votes
1 answer

How can I create my own image flavor in OpenStack?

Hi@akhtar, To create image flavor in OpenStack, follow ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,440 points
975 views
0 votes
1 answer

ERROR nova.openstack.common.threadgroup [-] [Errno 13] Permission denied: ‘/usr/lib/python2.6/site-packages/CA’

Hi@akhtar, You may get this error because nova ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,440 points
972 views
0 votes
1 answer

Unable to locate paste config file for glance-api

Hi@akhtar, You have to add paste configuration file ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,440 points
936 views
0 votes
1 answer

How to launch one instance in OpenStack from CLI?

Hi@akhtar, You need to login to your OpenStack ...READ MORE

Jul 5, 2020 in OpenStack by MD
• 95,440 points
917 views
0 votes
1 answer

Unable to locate paste config file for glance-registry.

Hi@akhtar, You have add one property in glance-registry.conf ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,440 points
908 views
0 votes
1 answer

How do I Configure GlusterFS for OpenStack Block Storage?

Hi@akhtar, To set GlusterFS as your partitioner tool in ...READ MORE

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

How to connect OpenStack Cloud with Terraform?

Hi@akhtar, To connect any Cloud, Terraform has a ...READ MORE

Jul 5, 2020 in OpenStack by MD
• 95,440 points
877 views
0 votes
1 answer

How can I create one container in OpenStack?

Hi@Hasid, In OpenStack, Swift provides container service. Follow ...READ MORE

Mar 19, 2020 in OpenStack by MD
• 95,440 points
873 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
831 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
821 views
0 votes
1 answer

How can I create an Alarm in OpenStack?

Hi@akhtar, An example of creating a Gnocchi threshold-oriented ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,440 points
813 views
0 votes
1 answer

How to login with demo account in OpenStack from CLI?

Hi@akhtar, Packstack program will generate to file when ...READ MORE

Jul 3, 2020 in OpenStack by MD
• 95,440 points
802 views
0 votes
1 answer

What is Alarm service in OpenStack? Is it same as CloudWatch Alarm in AWS?

Hi@akhtar, The definition of an Alarm provides the ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,440 points
788 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
759 views
0 votes
1 answer

How to set static IP in Linux RedHat?

Hi@akhtar, To set a static ip in Red ...READ MORE

Feb 24, 2020 in OpenStack by MD
• 95,440 points
748 views
0 votes
1 answer

What are Data Privacy Concerns in OpenStack?

Hi@akhtar, Let's discuss Data privacy in OpenStack one ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,440 points
738 views
0 votes
1 answer

CRITICAL keystone [-] ConfigFileNotFound: The Keystone configuration file keystonepaste.ini could not be found

Hi@akhtar, As the error message says, verify whether ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,440 points
721 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
686 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
677 views
0 votes
1 answer

How can I upload an Object in OpenStack?

Hi@Hasid, You can upload your files inside your container. ...READ MORE

Mar 19, 2020 in OpenStack by MD
• 95,440 points
661 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
659 views
0 votes
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
642 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
572 views
0 votes
1 answer

Error: NetworkNotCreated: bridge is required to create a network in OpenStack.

Hi@akhtar, As the above error message says, you should ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,440 points
570 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
567 views
0 votes
1 answer
0 votes
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
541 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
539 views
0 votes
1 answer

Failed to attach volume, systool is not installed in OpenStack.

Hi@akhtar, This warning and error occurs if you ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,440 points
532 views
0 votes
1 answer

why my Instances are running in an intermediate state, such as deleting in OpenStack?

Hi@akhtar, You can use the nova reset-state command to manually ...READ MORE

Mar 23, 2020 in OpenStack by MD
• 95,440 points
531 views
0 votes
1 answer

Error when ‘glance-manage db_sync glance’ executed

Hi@akhtar, This has something to do with the ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,440 points
522 views
0 votes
1 answer

How can I create one private subnet in OpenStack?

Hi@Hasid, If you launched all the instances within ...READ MORE

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

How does the Nova hypervisor work under the hood?

Hi@akhtar, The Nova driver embeds a tiny HTTP ...READ MORE

Mar 23, 2020 in OpenStack by MD
• 95,440 points
511 views
0 votes
1 answer

Error: iptables-restore v1.4.6: Bad IP address “gcompute”

Hi@akhtar, To solve this error, you can follow ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,440 points
498 views
0 votes
1 answer
0 votes
1 answer

Can anyone explain the Networking supervisors in OpenStack cloud?

Hi@akhtar, There are different types of NetworkManager available ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,440 points
495 views