aws_setup.txt

Amazon AWS EC2 Instances

// install python 2.7
sudo apt-get install python2.7
python -V
// install python 3.5
sudo apt-get install python3.5
python3 -V


// install node 8.x.x
curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
sudo apt-get install -y nodejs


pm2 - help run app in background
npm install pm2@latest -g
pm2 start app.js

pm2 Cheat sheet commands
----------------------------------
# Fork mode
pm2 start app.js --name my-api # Name process

# Cluster mode
pm2 start app.js -i 0        # Will start maximum processes with LB depending on available CPUs
pm2 start app.js -i max      # Same as above, but deprecated.

# Listing

pm2 list               # Display all processes status
pm2 jlist              # Print process list in raw JSON
pm2 prettylist         # Print process list in beautified JSON

pm2 describe 0         # Display all informations about a specific process

pm2 monit              # Monitor all processes

# Logs

pm2 logs [--raw]       # Display all processes logs in streaming
pm2 flush              # Empty all log file
pm2 reloadLogs         # Reload all logs

# Actions

pm2 stop all           # Stop all processes
pm2 restart all        # Restart all processes

pm2 reload all         # Will 0s downtime reload (for NETWORKED apps)

pm2 stop 0             # Stop specific process id
pm2 restart 0          # Restart specific process id

pm2 delete 0           # Will remove process from pm2 list
pm2 delete all         # Will remove all processes from pm2 list

# Misc

pm2 reset <process>    # Reset meta data (restarted time...)
pm2 updatePM2          # Update in memory pm2
pm2 ping               # Ensure pm2 daemon has been launched
pm2 sendSignal SIGUSR2 my-app # Send system signal to script
pm2 start app.js --no-daemon
pm2 start app.js --no-vizion
pm2 start app.js --no-autorestart

pm2 start app.js           # Start app.js

pm2 start app.js -- -a 23  # Pass arguments '-a 23' argument to app.js script

pm2 start app.js --name serverone # Start a process and name it as serverone
                                    # you can now stop the process by doing
                                    # pm2 stop serverone

pm2 start app.js --node-args="--debug=7001" # --node-args to pass options to node V8

pm2 start app.js -i 0             # Start maximum processes depending on available CPUs (cluster mode)

pm2 start app.js --log-date-format "YYYY-MM-DD HH:mm Z"    # Log will be prefixed with custom time format

pm2 start app.json                # Start processes with options declared in app.json
                                    # Go to chapter Multi process JSON declaration for more

pm2 start app.js -e err.log -o out.log  # Start and specify error and out log





shell cmd for creating user in mongoDB
mongo

use entirenews

db.createUser({user:"EntireNewsApp",pwd:"Js3dgK5sdg7BHJIsdGH89JdKsd9fB0",roles:[{role:"readWrite",db:"entirenews"}]})

then
sudo nano /etc/mongod.conf
#enable security like this
. . .
security:
  authorization: "enabled"
. . .
then restart mongod server


For windows: move this file to "C:\Program Files\Git\usr\bin"
Then open CMD or Terminal with Admin access
>>cd C:\Program Files\Git\usr\bin
>>chmod 400 EntireNews.pem
>>ssh -i EntireNews.pem ubuntu@ec2-52-10-35-26.us-west-2.compute.amazonaws.com -p 22
>>mkdir entirenews
>>cd entirenews
>>mkdir python
>>mkdir nodejs
>>ls
>>cd nodejs
// run chmod only once, u don't need to do it every time
// ignore mkdir commands now, as i have already created all those dirs

MongoD - Status
sudo systemctl status mongod
sudo systemctl start mongod // to run
sudo systemctl stop mongod // to stop
sudo systemctl restart mongod  // to restart
press 'q' to quit in STATUS mode

to login to mongo
mongo --port 27017 -u EntireNewsApp -p XXX --authenticationDatabase entirenews