DigitalOcean Cloud Config

Initial Config

1. Create a Droplet of Centos7
2. Add SSH before create Croplet
3. Add domain

YUM Update

sudo su
yum -y update
yum -y install yum-utils
yum -y groupinstall development

Install Ruby 2.0

yum install ruby
ruby -v

Install PHP 5.4

yum install httpd
yum install php

apachectl restart
systemctl status httpd

Update PHP 7.0

cd ~
curl 'https://setup.ius.io/' -o setup-ius.sh
bash setup-ius.sh

yum remove php-cli mod_php php-common
yum install mod_php70u php70u-cli php70u-mysqlnd

apachectl restart
systemctl status httpd

mkdir -p /var/www/html/test
# write phpinfo() code here
vi /var/www/html/test/test.php

Install Python 3.6

# centos7.iuscommunity.org
yum -y install https://centos7.iuscommunity.org/ius-release.rpm
yum -y install python36u

# check your python version
python3.6 -V

# install pip for Python 3.6 
yum -y install python36u-pip
yum -y install python36u-devel

# configure virtual env
cd /opt/;mkdir dev pro;cd dev
python3.6 -m venv venv
source venv/bin/activate

# check version of python & pip
pip -V
python -V
deactivate

Install MySQL

cd ~
yum install wget
wget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
md5sum mysql57-community-release-el7-9.noarch.rpm
rpm -ivh mysql57-community-release-el7-9.noarch.rpm

yum install mysql-server
systemctl start mysqld
systemctl status mysqld

grep 'temporary password' /var/log/mysqld.log
mysql_secure_installation
mysqladmin -u root -p version

mysql -u root -p
mysql -h localhost -u root -p
mysql -h 127.0.0.1 -u root -p

Install Oracle JDK

cd ~
wget --no-cookies --no-check-certificate --header \
"Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" \
"http://download.oracle.com/otn-pub/java/jdk/8u152-b16/aa0333dd3019491ca4f6ddbe78cdb6d0/jdk-8u152-linux-x64.rpm"

yum localinstall jdk-8u152-linux-x64.rpm
java  -version
javac -version

# remove to free cloud storage
rm -rf jdk-8u152-linux-x64.rpm

Bash History

# clear all history
history -c
# overwrite history
history -w

# delete by offset
history -d 1
history -w