DevOps Classroom notes 26/Dec/2024

IaaS offerings to run Virtual Machines

• All clouds offer virtual machines as a service
  • AWS => EC2
  • Azure => Virtual Machines
  • GCP => Compute Engine
• All clouds use some kind of hypervisors
• The operating system is selected via image (snapshot of a disk)
• some clouds give you option to set
  • credentials (both username and password/key)
  • password or key
• Key based authentication
  • private key (you will have a private key)
  • public key (aws/azure will have public key)
• Size of the machine => selecting cpu and RAM
• Disk size
• network
  • public ip
  • private ip
• In this case we get a virtual machine with selected OS
• Lets create an ubuntu 24.04 (distribution) in aws free tier
• Steps:
  • Create network if it doesnot exist
  • Create a key pair and store private key with you
  • Select the sizes
  • select the subnet (where your vm should run)
  • Create a security fencing
  • We get two ips
    • public ip
    • private ip
• For creation and establishing connection watch classroom recording

Installing nopCommerce

• official docs
• Install dotnet 9

sudo add-apt-repository ppa:dotnet/backports
sudo apt-get update && \
  sudo apt-get install -y dotnet-sdk-9.0

• check if the dotnet 9 is installed dotnet --list-runtimes
  
• Lets create a user called as nop in ubuntu

sudo adduser nop

• Create a directory called as /opt/nop

sudo mkdir /opt/nop

• Now download nopcommerce into /opt/nop

cd /opt/nop
sudo wget https://github.com/nopSolutions/nopCommerce/releases/download/release-4.80.1/nopCommerce_4.80.1_NoSource_linux_x64.zip

• install unzip and unzip the package

sudo apt-get install unzip
sudo unzip nopCommerce_4.80.1_NoSource_linux_x64.zip

• Create couple directories to run nopCommerce:

sudo mkdir bin
sudo mkdir logs

• Now change the permissions to make nop user as owner

cd ..
sudo chgrp -R nop nop/
sudo chown -R nop nop/

• Lets create a linux service to run nopCommerce in background and automatically
• Create the /etc/systemd/system/nopCommerce.service file with the following contents:

[Unit]
Description=Example nopCommerce app running on Xubuntu

[Service]
WorkingDirectory=/opt/nop
ExecStart=/usr/bin/dotnet /opt/nop/Nop.Web.dll --urls http://0.0.0.0:5000
Restart=always
# Restart service after 10 seconds if the dotnet service crashes:
RestartSec=10
KillSignal=SIGINT
SyslogIdentifier=nopCommerce-example
User=nop
Environment=ASPNETCORE_ENVIRONMENT=Production
Environment=DOTNET_PRINT_TELEMETRY_MESSAGE=false

[Install]
WantedBy=multi-user.target

• Lets enable and start the service

sudo systemctl enable nopCommerce.service
sudo systemctl start nopCommerce.service

• Now verify the status

sudo systemctl status nopCommerce.service

* if the service is not working cd into /opt/nop and execute to run manually

sudo dotnet Nop.Web.dll --urls "http://0.0.0.0:5000"