This is helpful when you don't want to disable Selinux and need to run external program like wkhtmltopdf via apache on selinux enabled. Run the following commands from the terminal. (This has been tested in CentOS 7)

Allow Execution

setsebool httpd_execmem on

Change a dirs security context if

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Install RabbitMQ on CentOS 7

sudo yum -y install epel-release
sudo yum -y update

Install Erlang

Download repository

wget http://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm

Add repository

sudo rpm -Uvh erlang-solutions-1.0-1.noarch.rpm

Install erlang and dependencies...

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Installing mailx

yum -y update

yum install -y mailx

create a symbolic link

ln -s /bin/mailx /bin/mail

Set an External SMTP Server to Relay E-Mails

vi /etc/mail.rc

edit

set smtp=smtps://smtp.gmail.com:465
set smtp-auth=login
set [email protected]
set smtp-auth-pas...

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Installing Kerberos on Redhat 7

This installation is going to require 2 servers one acts as kerberos KDC server and the other machine is going to be client. Lets assume the FQDN's are (here cw.com is the domain name, make a note of the domain name here):

• Kerberos KDC Server: kdc.cw.com
• Ker...

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