Mehdi Shahdoost mehdishahdoost

Install JHipster

npm install -g generator-jhipster@7

Fetch all projects


curl  --header 'Authorization: Bearer xxx' 'https://url/api/v4/groups/PROSET/projects?include_subgroups=true&per_page=300' | jq -r '.[].ssh_url_to_repo'

Install jq without sudo

curl -s https://webinstall.dev/jq | bash

Create user with sudo access

sudo adduser <username>
sudo usermod -aG sudo <username>
su — <username>

Change sshd configs

Best file system for Mongodb

XFS is a great choice as a filesystem, as it can perform snapshot backups.

Document Max (best practice) Size

Respect the maximum document size of 16 MB

MongoDB JIRA Address

List of shells on machine

cat /etc/shells

write and append to file

echo test > file.text
echo test2 >> file.txt

Nginx features

Web Server
Load Balancer
Reverse Proxy
Monitoring and Management

HTTP Codes

Get info about cluster

kubectl cluster-info

Get nodes information

kubectl get nodes

	db = db.getSiblingDB('dilmachi');
	insertBulk = function() {

	var bulk = db.books.initializeOrderedBulkOp();
	bulk.find({name: 'Moon'}).update({$set: {price: 300}});
	bulk.execute();
	}

	insertBulk();

	db = db.getSiblingDB('dbname');

	insertBulk = function() {

	var bulk = db.books.initializeUnorderedBulkOp(); // or we can use db.books.initializeOrderedBulkOp();

	for(loop=0;loop<1000;loop++) {
	bulk.insert({name: "Moon"});
	}