Error: Server refused our key or No supported authentication methods available When try to connect AWS EC2 Linux instance sometimes you may come across this error. Server refused our key or Error: No supported authentication methods available Most of the time reason could be incorrect AMI user name. below are the default user names for different flavor Linux. Try to…
Month: September 2017
AWS EC2 Shared , Dedicated Instance , Dedicated Host difference
AWS EC2 Shared , Dedicated Instance , Dedicated Host difference In this article we will go-through what is AWS EC2 Shared , Dedicated Instance , Dedicated Host and difference between them .AWS has 3 types of EC2 tenancy model . Actually this will explain how your actual virtual server (EC2) hosted in real physical server.Depends on tenancy type…
Status Check Failed (Instance)" aws ec2
Status Check Failed (Instance)” aws ec2 Normally Instance Status Check’ verifies that your instance’s operating system is accepting traffic. When it fails it means that the operating system inside the instance is not responding to traffic, for example this can happen when a Windows instance hangs or when a Linux instance kernel panics or network is disabled inside the…
EC2 Failing instance status checks
EC2 Failing instance status checks I hope most of the administrators may come across this issue in AWS ” EC2 Failing instance status checks” . Why this issue occurring ? Yes , there could be multiple reason for each operating system . But one of the frequent reason would be Operating System fail to boot. Remeber you are just…
Unable to ssh/ping to my aws ec2 instance
Everyone come across this issue in day to day job.There could be multiple reason for this issue .”Unable to ssh/ping to my ec2 instance ” .First you need to look out what kind of error message you are getting . If you read the error message carefully we can shortout easily . Otherwise we have to check all the possible…
What is EBS optimized instance in AWS?
What is EBS optimized instance in AWS? Normally not all the instances EBS optimized instance type in AWS. Only specific ec2 instance types are EBS optimized. This will trigger another question ,how EBS disks are connecting with ec2? Through ec2 instance network cards only. So your network traffic and EBS data traffic will use same NIC card. But the…
Description field in security group – AWS New feature
Description field in security group – AWS New feature Finally the most awaited feature has been added ! Yes its really difficult to understand and track in security group which ip belongs to which network and what purpose. In large scale environment really hard to manage when someone comes to new to the environment. You can add Description…