Most voted questions in OpenStack

+1 vote
1 answer
+1 vote
1 answer

error: cannot uninstall 'simplejson', not able to install on Ubuntu 18.04,

Hi@akhtar, This error occurs because of pip install ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,380 points
6,008 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
• 38,240 points
1,135 views
0 votes
1 answer

fatal:unable to connect to git.openstack.org: git.openstack.org errno=Network is unreachable

Hi@akhtar, You need to change the GIT_BASE installation ...READ MORE

Sep 23, 2020 in OpenStack by MD
• 95,380 points
692 views
0 votes
1 answer

How to get openstack version using Horizon or Openstack client?

Hi@akhtar, You can get the idea of the ...READ MORE

Sep 23, 2020 in OpenStack by MD
• 95,380 points
2,551 views
0 votes
1 answer

How to create an image in OpenStack from CLI?

Hi@akhtar, You have to first download one preinstalled ...READ MORE

Jul 6, 2020 in OpenStack by MD
• 95,380 points
868 views
0 votes
1 answer

How to launch an instance in OpenStack using Terraform?

Hi@akhtar, You need to use openstack_compute_instance_v2 resource to launch ...READ MORE

Jul 5, 2020 in OpenStack by MD
• 95,380 points
890 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
• 95,380 points
479 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
• 95,380 points
383 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
• 95,380 points
442 views
0 votes
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
• 95,380 points
631 views
0 votes
1 answer
0 votes
1 answer

Error on exit World dumping… see /opt/stack/logs/worlddump-2018-08-13-070106.txt for details df: ‘/run/user/1000/gvfs’: Permission denied

Hi@akhtar, To avoid this error kindly include the ...READ MORE

Mar 30, 2020 in OpenStack by MD
• 95,380 points
1,730 views
0 votes
1 answer

Error parsing /opt/stack/cinder/setup.cfg: SyntaxError: '<' operator not allowed in environment markers"

Hi@akhtar, I think you are using previous version ...READ MORE

Mar 30, 2020 in OpenStack by MD
• 95,380 points
728 views
0 votes
1 answer

TRACE nova.openstack.common.threadgroup OSError: [Errno 2] No such file or directory: ‘/usr/lib/python2.6/site-packages/instances’

Hi@akhtar, As the error shows No such file or ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,380 points
406 views
0 votes
1 answer

Error: compute driver option required but not specified.

Hi@akhtar, I guess you didn't add compute_driver property. ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,380 points
802 views
0 votes
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
• 95,380 points
598 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
• 95,380 points
610 views
0 votes
1 answer

CRITICAL nova [-] RequiredOptError: value required for option: lock_path

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

Mar 27, 2020 in OpenStack by MD
• 95,380 points
220 views
0 votes
1 answer

ERROR: (‘Connection aborted.’, error(111, ‘Connection refused’))

Hi@akhtar, There may be various reason behind this. ...READ MORE

Mar 27, 2020 in OpenStack by MD
• 95,380 points
1,546 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
• 95,380 points
483 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
• 95,380 points
558 views
0 votes
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
• 95,380 points
486 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
• 95,380 points
281 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
• 95,380 points
320 views
0 votes
1 answer

How to Fix OpenStack’s Keystone Authentication Error – HTTP 500?

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

Mar 26, 2020 in OpenStack by MD
• 95,380 points
5,362 views
0 votes
1 answer

fedora Image is booted and active, but what is the username and password to login to the terminal in OpenStack?

Hi@akhtar, When you launched an instance in OpenStack ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,380 points
2,212 views
0 votes
1 answer

ERROR: Quota exceeded for instances: Requested 1, but already used 10 of 10 instances (HTTP 413)

Hi@akhtar,  You should change the default quota limit ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,380 points
1,689 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
• 95,380 points
244 views
0 votes
1 answer

[Errno 111] Connection refused | Error: INFO nova.wsgi [-] Stopping WSGI server | INFO nova.openstack.common.service [-] Caught SIGTERM, exiting

Hi@akhtar, Whenever you see “Connection refused” error, it’s ...READ MORE

Mar 26, 2020 in OpenStack by MD
• 95,380 points
1,036 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
• 95,380 points
333 views
0 votes
1 answer

ERROR: The server has either erred or is incapable of performing the requested operation. (HTTP 500)

Hi@akhtar, You can try the bellow given command ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,380 points
3,179 views
0 votes
1 answer

Error: neutron-server failed to start and no log was written – neutron dead but pid file exists.

Hi@akhtar, Generally, after installing keystone, glance, nova services, ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,380 points
1,040 views
0 votes
1 answer

openstack Connection to neutron failed.

Hi@akhtar, For the above issue, there may be multiple cause ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,380 points
1,141 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
• 95,380 points
536 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
• 95,380 points
552 views
0 votes
1 answer
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
• 95,380 points
248 views
0 votes
1 answer

Failed to attach a volume after detaching the same volume in OpenStack!

Hi@akhtar, You must change the device name on ...READ MORE

Mar 24, 2020 in OpenStack by MD
• 95,380 points
865 views
0 votes
1 answer
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
• 95,380 points
561 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
• 95,380 points
259 views
0 votes
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
• 38,240 points
632 views
0 votes
1 answer

How can I configure docker service inside OpenStack?

Hi@akhtar, The first requirement is to install Docker on ...READ MORE

Mar 23, 2020 in OpenStack by MD
• 95,380 points
779 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
• 95,380 points
234 views
0 votes
1 answer

Not able to launch an instance in OpenStack?

Hi@akhtar, You might get this error because you ...READ MORE

Mar 20, 2020 in OpenStack by MD
• 95,380 points
820 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
• 95,380 points
441 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
• 38,240 points
671 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
• 95,380 points
425 views