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# AWS
- EC2
- EC2 container
- Cloudfront
- S3
- RDS
# CI
- Jenkins
- Gitlab CI
- Travis
# Everything is code
- Infrastructure as code
- CI config as code
- Dockerfile
# CD
![OSI Models](https://raw.githubusercontent.com/wahyd4/knowledge-mind-mapping/master/assets/images/iac.png)
## Capistrano
## Ansible
## Puppet
## Terraform
Terraform use a declarative language to describe the current state of infrastructure, and there is no server side agent installed.
### Basic steps
```bash
# go to the folder which stores the environment credentials
terraform init # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc.
terraform get # Downloads and installs modules that defined by configuration files
terraform plan # Kind of try run, you will what kind of changes you will have
terraform apply # Apply changes to cluster
```
# HA High Availability
- LB - haproxy
- Keepalived -- vrrp
- Nginx + Keepalived
- Heartbeat
# Network
- IP
- Private IP Addresses
- 10.0.0.0 10.255.255.255
- 172.16.0.0 172.31.255.255
- 192.168.0.0 192.168.255.255
## OSI Model( 7 layers network)
![OSI Models](https://raw.githubusercontent.com/wahyd4/knowledge-mind-mapping/master/assets/images/osi-model.png)
# tools
- git
- cherrypick
- rebase
- commit
- checkout
- checkout -b br com
- push
- --tags
- push tags
- —all
- push all branchs
- -f
- force push
- branch -d xx
- delete a local branch
- remote
- show xxx
- show info of a remote branch
- add xxx
- add a remote repo
- branch
- list all the branchs
- mv Rename/move files and folder with git history records
e.g. git mv -k ./a/b ./c/d option `k` would avoid the "can not move directory into itself" error.
- oh-my-zsh
- IDE/tools
- Intellij
- vscode