squiggles

CMD

• kill process ps aux | grep node -> kill -9 16783
• find process by port and kill: lsof -n -i4TCP:[PORT] | grep LISTEN | awk '{ print $2 }' | xargs kill
• https://til.hashrocket.com/posts/e4c8c665a8-find-and-kill-all-processes-listening-on-a-port

Mongo

- 3.2.10 version
- sudo service mongod start

/lib/systemd/system/mongod.service 
in /etc/mongod.conf

https://docs.mongodb.com/v3.2/tutorial/install-mongodb-on-ubuntu/
/var/log/mongodb/mongod.log

Pin a specific version of MongoDB

* echo "mongodb-org hold" | sudo dpkg --set-selections
* echo "mongodb-org-server hold" | sudo dpkg --set-selections
* echo "mongodb-org-shell hold" | sudo dpkg --set-selections
* echo "mongodb-org-mongos hold" | sudo dpkg --set-selections
* echo "mongodb-org-tools hold" | sudo dpkg --set-selections    

Node

• nodemon –debug=3002 server.js

NPM

• npm ls –depth 0
• ntl
• npm run env

• npm run env

  grep npm_

Heroku

• heroku repo:purge_cache –app appName

BackUP:

• sudo dd if=/dev/sda1 of=/media/sagivf/Miri/ddbackup/back.img
• sudo kill -USR1 PID; sleep 1; ## show progress - PID use top
• df -BG ## show sizes

Ubuntu

• sudo apt-get update
• sudo apt-get upgrade
• sudo apt-get dist-upgrade

GIT

• git config credential.helper store
• https://git-scm.com/docs/git-credential-store

ab -c200 -t10 http://localhost:8080/ benchmark