Trending questions in OpenStack

+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 in OpenStack by MD
• 22,520 points
709 views
0 votes
1 answer
0 votes
1 answer
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 in OpenStack by MD
• 22,520 points
39 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 in OpenStack by MD
• 22,520 points
31 views
0 votes
2 answers

What is packstack in OpenStack?

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

Apr 5 in OpenStack by anonymous
173 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 in OpenStack by MD
• 22,520 points
89 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 in OpenStack by MD
• 22,520 points
38 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 in OpenStack by MD
• 22,520 points
37 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 in OpenStack by MD
• 22,520 points
82 views
0 votes
1 answer
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 in OpenStack by MD
• 22,520 points
33 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 in OpenStack by MD
• 22,520 points
30 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 in OpenStack by MD
• 22,520 points
25 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 in OpenStack by MD
• 22,520 points
24 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 in OpenStack by MD
• 22,520 points
68 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 in OpenStack by MD
• 22,520 points
67 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 in OpenStack by MD
• 22,520 points
141 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 in OpenStack by MD
• 22,520 points
43 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 in OpenStack by MD
• 22,520 points
41 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 in OpenStack by MD
• 22,520 points
337 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 in OpenStack by MD
• 22,520 points
26 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 in OpenStack by MD
• 22,520 points
24 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 in OpenStack by MD
• 22,520 points
25 views
0 votes
1 answer

Could not able to start the instance, getting error in OpenStack.

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

Mar 24 in OpenStack by MD
• 22,520 points
106 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 in OpenStack by MD
• 22,520 points
72 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 in OpenStack by MD
• 22,520 points
48 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 in OpenStack by MD
• 22,520 points
94 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 in OpenStack by MD
• 22,520 points
49 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 in OpenStack by MD
• 22,520 points
42 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 in OpenStack by MD
• 22,520 points
41 views
0 votes
1 answer

Failed to Attach Volume, Missing sg_scan in OpenStack.

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

Mar 24 in OpenStack by MD
• 22,520 points
40 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 in OpenStack by MD
• 22,520 points
39 views
0 votes
1 answer

Multipath call failed exit in OpenStack

Hi@akhtar, This warning occurs in the Compute log ...READ MORE

Mar 24 in OpenStack by MD
• 22,520 points
34 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 in OpenStack by MD
• 22,520 points
47 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 in OpenStack by MD
• 22,520 points
40 views
0 votes
1 answer

Missing credentials cause a 403 forbidden error.

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

Mar 23 in OpenStack by akhtar
• 10,330 points
27 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 in OpenStack by MD
• 22,520 points
25 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 in OpenStack by MD
• 22,520 points
98 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 in OpenStack by akhtar
• 10,330 points
84 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 in OpenStack by MD
• 22,520 points
64 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 in OpenStack by MD
• 22,520 points
61 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 in OpenStack by MD
• 22,520 points
57 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 in OpenStack by MD
• 22,520 points
44 views
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 in OpenStack by MD
• 22,520 points
38 views
0 votes
1 answer

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 in OpenStack by MD
• 22,520 points
80 views
0 votes
1 answer

How can I create a public network in OpenStack?

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

Mar 18 in OpenStack by MD
• 22,520 points
121 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 in OpenStack by MD
• 22,520 points
155 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 in OpenStack by MD
• 22,520 points
60 views