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##Get cluster info
$ kubectl cluster-info

##Get nodes
$ kubectl get nodes

##Get contexts (used for multiple clusters)
$ kubectl config get-contexts

##Change contexts

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#get the account
gcloud config get-value account

#list your projects
gcloud projects list

#set the project
gcloud config set project <project name>

# set account to use

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#login at google cloud
gcloud auth login

#list all the accounts
gcloud auth list

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#get all the compute instances
gcloud compute instances list

#start a ssh connection
gcloud compute ssh mongo --zone us-west1-b

#using scp to send files recursive
gcloud compute scp ~/path/file <instance name>:/path/file --zone us-west1-b --recurse

#create ssh tunnel

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sed -n '$=' $1

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# Split a big file into multiples fiels

tail -n +2 file_name.csv | split -l 59000 - split_
for file in split_*
do
    head -n 1 file_name.csv > tmp_file
    cat $file >> tmp_file
    mv -f tmp_file $file
done

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#!/bin/bash

case "$1" in

"server1")  echo "Connecting to server1"
    sshpass -p 'your_passwd' ssh <user>@<ip_server>
    echo "Connection closed with $1"
   ;;
"server2")  echo  "Connecting to server2"
   sshpass -p 'your_passwd' ssh <user>@<ip_server>

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#send files to buckets
gsutil rsync -d -r <folder path> gs://<name of your bucket>

#change permission bucket
gsutil acl ch -u AllUsers:R gs://yourbucket/**

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#insert user:
db.Client.insertOne( {
    "id": "5788a5f71b2b6de0148b4567",
    "name": "jonho",
    "lastname": "dust"
});

#show current table
db

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var hello = "hello"
if (!hello.isEmpty)
  print "is not empty"
 
var myHello = if (!hello.isEmpty) "is not empty" else "is empty"