# AWS CLI, Session Manager & Database Access Guide

## 1. Setup
- Download **AWS CLI**
- Download **AWS Session Manager Plugin**
- Generate **Key for KCCB**

---

## Machine 
```bash

UAT (IB- frontend) : i-0b55435e15425f1c3
Linux : i-0c850dcf8b85b1447
```

## 2. Port Forwarding

### API (localhost → EC2:8080)
```bash
aws ssm start-session --target i-0c850dcf8b85b1447 --document-name --profile kccb AWS-StartPortForwardingSession --parameters "portNumber"=["8080"],"localPortNumber"=["8080"]
```
### PostgreSQL (localhost:5431 → EC2:5432)
```bash
aws ssm start-session --target i-0c850dcf8b85b1447 --document-name --profile kccb AWS-StartPortForwardingSession --parameters "portNumber"=["5432"],"localPortNumber"=["5431"]
```
### CBS (localhost → EC2:8686)

```bash
aws ssm start-session --target i-0c850dcf8b85b1447 --document-name --profile kccb AWS-StartPortForwardingSession --parameters "portNumber"=["8686"],"localPortNumber"=["8686"]
```

## Database Access

```bash
aws ssm start-session --target i-0c850dcf8b85b1447 --profile kccb
```
## 4.PostgreSQL Commands

```bash
# Connect as postgres
psql -U postgres

# List all databases
\l

# Connect to kmobile
psql -U admin -d kmobile

# Password: kmobile

# Query data
SELECT * FROM users;

# Expanded display
\x

# See all tables
\d

# Table details
\d users;

# Switch database with specific user
\c kmobile_banking kmobile_app_rw

# Grant permissions
grant select, insert, update, delete on table admin to kmobile_app_rw;
```
## 4. Linux Machine Access

```bash
# Run the .bat file first
ssh username@localhost
# Enter your password
```
## Copy File from Local → Linux

```bash
scp -P 9022 Smsservice/smsserviceapplication.jar <username>@localhost:/home/<username>

# ssh nabanita@localhost -p 9022
```