AWS Core Services - EC2

 


  • Ø  Elastic Compute Service.
  • Ø  You can increase or decrease the number of servers that required by the application automatically.
  • Ø  Servers = Amazon EC2 instances.

Ø  How to build and configure EC2 instance.

ü  Log in to AWS console

ü  Choose a region

ü  Launch EC2 wizard

ü  Select AMI ( Amazon Machine Image)( software )

ü  Select instance type (HW)

ü  Configure network

ü  Configure storage

ü  Configure key pairs – Allow us to connect to the instance.

ü  Launch & connect.

Ø  DHCP – Dynamic Host configuration service

ü  Network management protocol used to automate the process of configuring devices on IP networks.

ü  Dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

ü  IN AWS auto-assign public IP will give the DHCP address.

Ø  In order to connect with SSH need to create a key pair.

Ø  Default user – ec2@user{copy the public DNS}

Ø  To connect using putty u have to auth the private key.

Ø  Use puttygen to create ppk file.

Comments

Post a Comment

Popular posts from this blog

Opensips Implementation on Ubuntu 18.04

Image
  Theory     Load Balancing in  OpenSIPS   ·        The "load-balancing" module comes to provide traffic routing based on load. Shortly, when OpenSIPS routes call to a set of destinations, it is able to keep the load status (as number of ongoing calls) of each destination and to choose to route to the less loaded destination (at that moment)   ·        OpenSIPS is aware of the capacity of each destination - it is preconfigured with the maximum load accepted by the destinations.     ·        OpenSIPS will consider the less loaded destination not the destination with the smallest number of ongoing calls, but the destination with the largest available slot.   ·        Also, the "load-balancing" (LB) module is able to receive feedback from the destinations (if they are capable of). This mechanism is used ...
Read more

AWS Core Services - Elastic Block Store

Image
  ·        You can choose EBS volumes between HDD and SSD types. ·        Pay as you go ·        Backup using snapshots. ·        Block-level replication – much more durable because of that. ·       The right  tool for the right job. – choose magnetic for the logs. ·        For DR protection (Disaster recovery) protection you can copy snapshots to different AWS Region. ·        Can change to HDD to SSD or increase capacity ·        Can to this on fly. Without needing to stop the instances. ·        If you want to attach new volume to existing instances u have to create the EBS volume should be created on the same availability zone as the instance resides. ·        how to attach...
Read more