Amazon EC2 Basic Linux Commands for New Servers

Install Apache, PHP, MySQL

/*****************CONNECTING TO THE EC2************************/
// Open Terminal, cd into the directory where you have your .pem
// You may need to change the permissions of the .pem to 600
 
chmod 600 pemfile.pem
 
// SSH into your instance
 
ssh -i pemfile.pem ec2-user@<AssociatedIp OR PublicDNS>
 
// Allow RSA additions, keychain, etc.
// Go Root Permissions
 
sudo su

/**********************Install Apache************************/
// Use yum to install Apache (preloaded on EC2)

yum install httpd

//Start apache

service httpd start

/**********************Install PHP***************************/

yum install php php-mysql

// Restart Apache

service httpd restart

// You should now be able to nvaigate to your servers' default
//  apache page by navigating to http://<IP or Public DNS>
// To test your PHP install do the following:

cd /var/www/html

// Create a test.php file

vi test.php

Type i to start the insert mode

Type <?php phpinfo() ?>

Hit esc to exit insert mode

Type :wq to write the file and quit vi

// You should now be able to navigate to your IP/test.php

/**********************Install MySQL***********************/

yum install mysql-server

// Start MySQL

service mysqld start

// Create a database

mysqladmin -uroot create <DB Name>

//Secure the MySQL install

mysql_secure_Installation

// Answer the wizard questions as follows:

// Enter current password for root: Press return for none
// Change Root Password: Y
// New Password: Enter your new password
// Remove anonymous user: Y
// Disallow root login remotely: Y
// Remove test database and access to it: Y
// Reload privilege tables now: Y

// REF: http://bit.ly/Z0bG1O

Install PHPMyAdmin

/**********************Install PHPMyAdmin*******************/
//EC2 instances come with yum installer which includes EPEL
//  (EPEL : Extra Packages for Enterprise Linux )
//  however by default the packages are disabled, to enable 
//  them edit the epel.repo in etc/yum.repos.d
//  simply enable the first block

sudo nano /etc/yum.repos.d/epel.repo

//Then you will have package access to PHPMyAdmin

sudo yum install phpmyadmin

//phpMyAdmin is installed in /usr/share/phpMyAdmin which is
//  not naively accessible from the web, you can either create
//  a symbolic link in your html directory, or create a virtual
//  host (that points to your symbolic link) - here we will create 
//  the symbolic link:

ln -s /usr/share/phpMyAdmin/ /var/www/html/<Folder Name>

//Name <Folder Name> whatever you want the relative directory to be
//  now you can point a vhost to this folder, or just nav directly to it
//If you try to navigate to this folder now you may get a 403
//  in this case, you will need to find the phpMyAdmin.conf file

sudo nano /etc/httpd/conf.d/phpMyAdmin.conf

//NOTE: You may need to verify the spelling/casing of the file name
//Comment out the #Order Allow,Deny AND #Deny from all for the
//  phpMyAdmin directory

//NOTE: You must have already installed mySQL and setup a root password to login!

//To remove phpMyAdmin:

yum erase phpmyadmin

SSH and EBS

/*****************CONNECTING TO THE EC2************************/
// Open Terminal, cd into the directory where you have your .pem
// You may need to change the permissions of the .pem to 600

chmod 600 pemfile.pem

// SSH into your instance

ssh -i pemfile.pem ec2-user@<AssociatedIp OR PublicDNS>

// Allow RSA additions, keychain, etc.
// Go Root Permissions

sudo su

/*****************SETTING UP BLOCK STORAGE*********************/
// Create and associate an EBS, then check to see if it is mounted

df -h

// Device is normally maounted in dev as xvda, xvdb, xvdc and so on.
// If not shown as mounted, check available devices

lsblk

// If it is not mounted

fdisk -l

// Get the correct directory by looking at the disk sizes, it may
//  have a name like /dev/xvda, b, c, etc.
// You MAY need to format and create a file structure

sudo mkfs -t ext3 <Device Name>

// <Device Name> is the "/dev/xvdb" string
// Then create a directory to mount to

sudo mkdir <Directory Name>

// Mount the EBS to the directory you created

sudo mount <Device Name> <Directory Name>

// NOTE: You will need to repeat this process each restart unless
//  you  add the device to the fstab or create a script that 
//  automatically mounts the volume on startup
// REF: http://bit.ly/Z094kp

/*****************OWN THE EBS DIRECTORY*********************/
// Navigate to root and set ownership of the EBS to the ec2-user

chown -R ec2-user /<Mounted Directory>

// -R owns all subfolders