armanhakimsagar

https://www.youtube.com/watch?v=NEW1Gop1-_k&list=PLm-r2M6kUmSTkNCE7W45XIKBK0oJp4RVr&index=3&t=50s
https://www.sixsigmacouncil.org/wp-content/uploads/2018/09/Six-Sigma-White-Belt-Certification-Training-Manual-CSSC-2018-06b.pdf

LEAN :
  
  Japaneses word. IT remove delay , error , waste.
  

Six sigma:

armanhakimsagar

************** apache / site enables

this is folder where we have to setup all domain information of this server. It can be multiple.

create a file like : lms.com.conf , airposted.com.conf.

In this file you will configure port number, hostname, host root, servername

<VirtualHost *:80>

armanhakimsagar

Basic :

* Docker hub : Docker Hub is a hosted repository service provided by Docker for finding and sharing container images with your team.

* Docker image : A Docker image is a file, comprised of multiple layers, that is used to execute code in a Docker container.

* Docker file : A Dockerfile is a assemble file.It
                is a text document that contains all the commands a user could call on the command line to assemble an image.
                Its a file contain assembly image list , working directory.
                

armanhakimsagar

Sub domain add :

https://vlemon.com/blog/google-cloud-platform/how-to-create-sub-domain-in-google-cloud-compute-engine/
https://www.youtube.com/watch?v=L06FIQEsXso
https://www.youtube.com/watch?v=eXtqqofrhOo

Domain add:

https://www.youtube.com/watch?v=mKQabvHTQeE

armanhakimsagar

lastb - failed login list

lastlog - show all logged history

pwd - current directory

curl -s -w %{time_total}\\n -o /dev/null http://airposted.com - response time

curl -I -s https://opensource.com  - server related info

armanhakimsagar

1. need mac os & xcode software

2. you can use vm for run mac os 

3. download xcode from apple store for ios developement

4. objective c is old, use swift language for ios app developement

5. swift is made by (objective c, c++)

armanhakimsagar

Step :

1. give credit card info

2. create project

3. after that you can create instance.

4. now install apcache by ssh: 
		sudo apt get update

armanhakimsagar

PHP Basic:

1. echo 0x8A + 3

2. true ? 0 : true ? 1 : 2;

3. PHP code (or \r, \n, \r\n)

4. echo ~ $x &  $y;

armanhakimsagar

********

Laravel use simentic versioning system.

Semantic versioning (also referred as SemVer) is a versioning system that has been on the rise over the last few years. It has always been a problem for software developers, release managers and consumers. Having a universal way of versioning the software development projects is the best way to track what is going on with the software as new plugins, addons, libraries and extensions are being built almost everyday.
Semantic Versioning is a 3-component number in the format of X.Y.Z, where :

X stands for a major version.
Y stands for a minor version.
Z stands for a patch.

armanhakimsagar

save document as json format.

used for create own serach system or analysce data.

also used in cluster database system.

* type here is table

* index called here is database