Cloudfront is a content-delivery network (CDN) that speeds up distribution of content (both static & dynamic) through worldwide network of data-centers called Edge locations providing very less latency and high throughput. Let's put this in this mann...
EC2 linux instances are our kingdom, & we as engineers rule over it. If we make a small mistake in ssh_config file of not adding our root user (centos / ubuntu / ec2-user) in AllowUsers section, we will lose complete access to our instances as a root...
Back in school days, we used to have a class monitor, who used to observe our behaviour and report if we did any mischief. Grafana is like that class monitor who monitors everything & visualizes things for us. Now Grafana has a friend, Prometheus - t...
Load balancers sit in front of your ec2 servers to distribute traffic to healthy ec2 servers & not to expose any server IP directly. They are like those frontbench students who are always ahead of our backbenchers (ec2-servers), but we all know end o...
VPC is a logically isolated environment in your Public cloud where you can launch your resources like servers, databases, etc. It's like having a Private villa where you can use anything you like, & you pay only for things you use inside your villa. ...
Using SCP we transfer files between 2 systems. SCP - Server Copy Protocol To transfer files between 2 EC2 instances, let's say Instance - A wants to send a file to Instance - B, so Instance - A should have pem file of Instance - B & vice - versa. So,...
