In your program, you haven’t defined the variable participant_details so its value cannot be looked up. You should define that variable first before accessing it. 2 solved “errorMessage”: “name ‘ ‘ is not defined” [closed]
This is not possible. AWS has racks of ‘host’ computers, each with a particular specification in terms of CPU type, number of CPUs, RAM, directly-attached disks (sometimes), attached GPUs (sometimes), network connectivity, etc. Each of these hosts is then divided into multiple ‘instances’, such as: This is showing that the R5 Host contains 96 virtual … Read more
Copied from AWS user guide: Amazon Linux instances are set to the UTC (Coordinated Universal Time) time zone by default Furthermore: Network Time Protocol (NTP) is configured by default on Amazon Linux instances; however, an instance needs access to the Internet for the standard NTP configuration to work. In addition, your instance’s security group rules … Read more
Unless you assign ElasticIP, the public ip of the instance will be changed after stop/start (but not after reboot). solved cant ssh to aws server
After trying and as commented by Dusan above, creating ‘A’ record for “sub.xyz.com” in WIX resolved the issue. solved How to add a subdomain pointing to IP of EC2 instance in AWS where the domain is pointing to the IP of the machine of some other hosting provider?
I would not recommend this approach. You would need to increase your EC2 Limits to be able to launch this many instances There is no guarantee that this many micro instances would be available at the desired time It would be a massive undertaking to coordinate all the instances to do your bidding (eg starting, … Read more
AWS’s EC2 service runs mostly on Linux servers, nearly a half-million of them according to the article below. They are running a modified version of the Xen hypervisor. http://www.zdnet.com/blog/open-source/amazon-ec2-cloud-is-made-up-of-almost-half-a-million-linux-servers/10620 1 solved Do amazon ec2 linux instances run on VMWare?
You can configure the same via virtual host in httdp.conf with redirection rule or you can do the same with ELB in which you can mention the request comes on 80 and ELB will forward the same on 8000 port. solved My AWS ec2 instance is running on ec2-xx-1xx-xxx-24.compute-1.amazonaws.com:8000. how do i make it run … Read more
stop current instance and launch another instance with similar AMI and in the same zone. detach disk volume from old instance and mount to new instance. in the new instance, change the required file permissions inside the newly mounted volume detach volume from new instance and attach to old instance. Then I was able to … Read more
Here’s some code that retrieves a list of instances and count the number of stopped and running instances: import boto3 def lambda_handler(event, context): ec2_resource = boto3.resource(‘ec2’) instances = [instance.state[“Name”] for instance in ec2_resource.instances.all()] print(‘Running: ‘, instances.count(‘running’)) print(‘Stopped: ‘, instances.count(‘stopped’)) The call to ec2_resource.instances.all() retrieves a list of all instances, and there is a state attribute … Read more