WHAT NEED TO KNOW

1. DNS

1.1. what is this

1.2. Types

1.2.1. A

1.2.2. CNAME

1.2.3. TXT

1.2.4. AAAA

1.2.5. LOC

1.2.6. MX

1.2.7. NAPTR

1.2.8. RP

1.3. How to create

1.3.1. Create DNS on freenom or somewhere that have free DNS

1.4. Create certifiate for https

1.4.1. Tuyết @ School Mục create cetificate

2. Linux Commands

2.1. grep

2.2. tail

2.3. head

2.4. cut

2.5. scp

3. Git

4. Postfix-Dovecot

4.1. http://phankhanh.com/cty/default.php?dir=thongtindetail&ms=42

5. MySQL

5.1. CREATE, UPDATE, ALTER, DROP.....

6. Ruby on rails

6.1. Structure of a ruby on rail app

6.2. how to create a basic web from ruby on rails and run it by apache2

7. Elasticsearch, mailcatcher

7.1. Mailcatcher???

7.2. Elasticsearch???

7.3. How to backup and restore elasticsearch

7.4. How to update version and use snapshot ver 2.4.1 to restore on ver 5.x or 6.x

8. How to build project

8.1. 1. Install âpche2

8.2. 2. Install passenger module

8.3. Install rvm

8.4. install ruby version 2.0.0.-p648, create gemset 2.0.0-p648@phishing

8.5. Install MySQL and import data to databases

8.6. Install Elasticsearch and restore data. But first of all, must install java.

8.7. Deploy app

8.7.1. Use mina

8.7.2. Use capistrano

8.7.3. Using ansible to deploy.