Install ejabberd on centos7

install-ejabberd.sh

#! bin bash
#This script installs a ejabberd on centos7

echo 'Updating packages...'
sudo yum update -y

echo 'Install wget'
sudo yum install wget -y

echo 'Download EPEL'
wget http://mirrors.nayatel.com/epel/7/x86_64/e/epel-release-7-6.noarch.rpm

echo 'Install EPEL'
sudo rpm -Uvh epel-release-7*.rpm

echo 'Install Ejabberd'
sudo yum install -y http://files.lucidsolutions.co.nz/linux/centos/ejabberd-el7/ejabberd-14.07-6.el7.centos.x86_64.rpm 

echo 'Start service'
sudo /bin/ejabberdctl start

echo 'Register Admin'
sudo /bin/ejabberdctl register admin localhost password

#make sure you give the user you just created privileges so you can see the whole control panel.
#acl:
#  admin:
#    user:
#      - "admin": "localhost"
# append these lines to the end of your ejabberd.yml file and restart.  

release 7-6 is not hosted anymore;
you can use this instead http://mirrors.nayatel.com/epel/7/x86_64/e/epel-release-7-9.noarch.rpm