How to generate a simulated load on an EC2 instance to test Auto Scaling Group / ASG There are an lots of ways to create load, here is one (requires root): dd if=/dev/zero of=/dev/null This command will quickly use a lot of CPU. Use control-c twice to kill. WARNING NEVER DO THIS TO AN EXISTING …
How to generate a simulated load on an EC2 instance to test Auto Scaling Group / ASG Read More »
Assuming EC2 already setup and publicly accessible Add rules to Security Group assigned to EC2 – that allows http traffic inbound port 80 and ssh port 22- can only allow myIP if testing – now save SSH into public EC2 that you want the webserver on sudo yum install httpd systemctl enable httpd systemctl start …
AWS Solutions Architect Associate – quick webserver setup on public ec2 instance Read More »
Well – two ways 1.) convert the .pem file to a .ppk and use puTTY here is how: https://www.putty.org/ https://aws.amazon.com/premiumsupport/knowledge-center/convert-pem-file-into-ppk/ Of if you want to use ssh on Window with your .pem file, do the following. Do the fix below, to set the permission correctly for the .pem to work, THEN try your SSH command …
Link to comprehensive documentation on how to use ssh without having to provide a password for the remote node everytime How to use ssh-keygen to generate a new SSH key Basically the process is: Generate a public and private key on your server. Do not enter a pass phrase ssh-keygen -t rsa Now copy the …
The curl command transfers data from any server over to your computer. The wget command downloads the data as a file.
Translates many private IPs into a single public EIP Must be / have the default route for a private subnet – for EC2 to use NAT Gateway One per availability zone for HA preferred- not implicitly HA
The VPC router then forwards the traffic according the the VPC route tables for the instance’s subnet. The routes in the VPC route table do not propagate back into the instances themselves, but they’re used to make forwarding decisions for all the traffic. Forwarding traffic “directly” from one instance to another in VPC isn’t a …
In other words, you cannot mount an EFS volume if it is not a member of the same security group as the referencing EC2 instance.
Encrypting AWS EC2 Root Volumes (EBS) You cannot encrypt the root volume of a standard Amazon provided EC2 / EBS volume. You can take a snapshot of the volume, make an encrypted copy and use that copy to create a custom AMI with it, and encrypt it then. Moving Non-Root Volumes to a New Availability …
Encrypting AWS EC2 Root Volumes (EBS) – and Moving Non-Root Volumes to a New AZ Read More »
Accessing your EC2 instance using SSH – the requirements You have downloaded and use the Access Key and Secret Access Key provided or identified when you created the instance. An Internet gateway must be attached to your VPC Your VPC route table must have an entry that routes packets to the Internet The Subnet that …
AWS Accessing your EC2 instance form SSH requirements Read More »