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xdg-open custom_diagram.jpg # Opens the generated diagram in default image viewver.

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from diagrams import Diagram, Cluster, Edge
from diagrams.custom import Custom
from diagrams.onprem.network import Nginx
from diagrams.onprem.network import Tomcat
from diagrams.onprem.inmemory import Memcached
from diagrams.onprem.queue import Rabbitmq
from diagrams.onprem.database import Mongodb
from diagrams.onprem.database import Mysql
from diagrams.elastic.elasticsearch import Elasticsearch

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from diagrams import Cluster, Diagram
from diagrams.aws.compute import ECS
from diagrams.aws.network import ELB, Route53
from diagrams.aws.database import RDS
from diagrams.onprem.client import User

graph_attr = {
    "fontsize": "25",
    "bgcolor": "transparent"
}

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xdg-open my_diagram.jpg # Opens the generated diagram in default image viewver.

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xdg-open simple_diagram.png # Opens the generated diagram in default image viewver.

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python3 1_basic_diagram.py # To run the file to generate diagram
ls -lrt # To check the files. A file called simple_diagram.png will be generated in the directory

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from diagrams import Diagram  # importing diagram package 
from diagrams.aws.compute import EC2 # importing AWS EC2 resource 

with Diagram("Simple Diagram"): # "Simple Diagram" is the name of the diagram. The image will be stored as "simple_diagram.png"
    EC2("web") # An icon of EC2 will be generated with the name "web"

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# To install Diagrams
pip install diagrams

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# To install Graphviz
choco install graphviz

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# To check python version
python3 -V (or) python3 --version