Knowledge is Power!
Confused what EXPOSE:8080 is ? It means that containers are listening at the port 8080 at runtime and this port is not accessible to us until we map it i.e. we need to tell it explicitly through which port of our host machine we will interact to it'
Knowledge is Power!
What is an EC2 EC2 is nothing but a virtual server. In layman terms its a machine provided by AWS, the difference is we don't get to hold it like our PC but it does have its own physical existence which is taken care by AWS, all we
Knowledge is Power!
Still a rookie ! Create an IAM users: a. Master: [ give Admin permission, to have a track of work done ] b. Readonly:[ give only read permissions, to check all the activities in the account ] Use "Readonly" users to check the activities to avoid unwanted deletions/action which will cost
Knowledge is Power!
1. Download virtualbox 2. Download vagrant 3. Vagrantfile: Change config.vm.box = "ubuntu/trusty64", to set ubuntu server of your choice. 4. Commands:vagrant up To boot vagrant environment and now we have virtual machine running Ubuntuvagrant ssh to ssh into machine 5. To change default key:ssh-keygen
Knowledge is Power!
Amazon S3 bucket: Its just like a storage room to keep all the stuff that matters. Can host static site (just like using Github pages) with permissions and set functionality Inorder to store, create S3 bucket first with a unique name. This name is unique globally. * To check if site
Knowledge is Power!
Terraform: Helps to build your cloud infrastructure without GUI but with configurable and reusable infrastructure code ! Installation: wget https://www.terraform.io/downloads.html Terraform extensions: * .tfvars: To set the environment variables used in terraform modules. * .tf: root file. Can have many .tf files in a directory and reference it
Knowledge is Power!
https://web.archive.org/web/20210923115153im_/https://www.gravatar.com/avatar/2a9900d987f49d6dba0103dc9d2fc439?s=250&d=mm&r=x * What? I was working on setting up VPC using Terraform on AWS, later I pushed those codes into the my GitHub, but accidently I pushed my AWS keys too! And
Knowledge is Power!
Linux is multiuser system and everything in here is a file. File ownership and permissions provides security at the file system level. Users: * Person creating file/directory becomes owner of it. * A user belongs to a default group, and can also be a member of any of the other groups
Knowledge is Power!
Ansible is fun but need to be intuitive too ! Objective: Install and setup Ghostjs using ansible-playbook What does the code do: 1. File: hosts list out server's IP to run ansible playbook [all] 18.206.151.166 ansible_ssh_user=ubuntu 2. File: client.my.cnf.j2 jinja
Knowledge is Power!
!/bin/bash #Build Source! aws s3 cp --region ap-south-1 s3://jenkins-cicd-sandbox/theodore/sandbox.json ./buildSrc/src/main/resources/ gradlew_output=$(./gradlew clean build createDockerfile -x test); gradlew_return_code=$? if (( gradlew_return_code != 0 )); then echo "Grade failed with exit status $gradlew_return_code" >&2 echo
Knowledge is Power!
The most wanted even after graduation! Attempt: To understand in most simplest way. "Layman's language." * What Big(o) means? I want to solve a problem, I want to know how much time is needed to solve it. That's all what Big(o) tells. * Example:
Knowledge is Power!
In my previous post I explained what is HTTP and how is it helpful. This post explains how it is achieved. So far we know that symmetric and asymmetric key's role is played over when we connect to a site with SSL. This connection can happen with the