Trending questions in Cloud Computing

+2 votes
11 answers

Python AWS Boto3: How do i read files from S3 Bucket?

You can download the file from S3 ...READ MORE

Dec 7, 2018 in AWS by Jino
92,975 views
+4 votes
24 answers

What is an “Edge Location” in AWS?

Let us start with brief explanation to ...READ MORE

Apr 3, 2018 in Cloud Computing by brat_1
• 7,170 points
39,204 views
+6 votes
14 answers

AWS VPC - What is the difference between Internet Gateway & NAT

Internet Gateway An Internet Gateway is a logical connection ...READ MORE

Apr 24, 2018 in AWS by Flying geek
• 3,210 points
31,318 views
+3 votes
11 answers

How do I delete my Google Cloud Platform Account?

How do I delete me cloud and ...READ MORE

Jan 18, 2019 in GCP by dodge123@yahoo.com
29,003 views
0 votes
1 answer

How to read a file from one ec2 instance make some changes and save in another ec2 instance using lambda function.(python)

Hi@vijaykumar, I don't know you can do directly ...READ MORE

1 day ago in AWS by MD
• 7,150 points
88 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

1 day ago in OpenStack by MD
• 7,150 points
12 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

1 day ago in OpenStack by MD
• 7,150 points
11 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

1 day ago in OpenStack by MD
• 7,150 points
9 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

1 day ago in OpenStack by MD
• 7,150 points
9 views
0 votes
1 answer

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

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

1 day ago in OpenStack by MD
• 7,150 points
9 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

1 day ago in OpenStack by MD
• 7,150 points
8 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

1 day ago in OpenStack by MD
• 7,150 points
8 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

2 days ago in OpenStack by MD
• 7,150 points
14 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

2 days ago in OpenStack by MD
• 7,150 points
15 views
0 votes
1 answer

Error when ‘glance-manage db_sync glance’ executed

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

2 days ago in OpenStack by MD
• 7,150 points
13 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

2 days ago in OpenStack by MD
• 7,150 points
11 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

2 days ago in OpenStack by MD
• 7,150 points
11 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

2 days ago in OpenStack by MD
• 7,150 points
11 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

2 days ago in OpenStack by MD
• 7,150 points
10 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

2 days ago in OpenStack by MD
• 7,150 points
10 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
• 7,150 points
286 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

4 days ago in OpenStack by MD
• 7,150 points
32 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

4 days ago in OpenStack by MD
• 7,150 points
29 views
0 votes
1 answer

openstack Connection to neutron failed.

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

4 days ago in OpenStack by MD
• 7,150 points
20 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

4 days ago in OpenStack by MD
• 7,150 points
18 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

4 days ago in OpenStack by MD
• 7,150 points
21 views
0 votes
1 answer

Multipath call failed exit in OpenStack

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

4 days ago in OpenStack by MD
• 7,150 points
20 views
0 votes
1 answer

Empty log output for Linux instances in OpenStack.

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

4 days ago in OpenStack by MD
• 7,150 points
18 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

4 days ago in OpenStack by MD
• 7,150 points
17 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

4 days ago in OpenStack by MD
• 7,150 points
17 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

4 days ago in OpenStack by MD
• 7,150 points
16 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

5 days ago in OpenStack by MD
• 7,150 points
24 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

5 days ago in OpenStack by MD
• 7,150 points
18 views
0 votes
1 answer

Missing credentials cause a 403 forbidden error.

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

5 days ago in OpenStack by akhtar
• 3,600 points
16 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

5 days ago in OpenStack by MD
• 7,150 points
14 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

5 days ago in OpenStack by MD
• 7,150 points
16 views
0 votes
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
• 7,150 points
93 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
• 7,150 points
59 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
• 3,600 points
53 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
• 7,150 points
47 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
• 7,150 points
43 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
• 7,150 points
27 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
• 7,150 points
21 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
• 7,150 points
18 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 in AWS by MD
• 7,150 points
89 views
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 in OpenStack by akhtar
• 3,600 points
43 views
0 votes
1 answer

Why doesn’t AWS Lambda support Elastic IPs without using VPC?

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

Mar 18 in AWS by MD
• 7,150 points
86 views
0 votes
1 answer

Can we configure multiple public subnets in a single AWS VPC?

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

Mar 18 in AWS by MD
• 7,150 points
81 views