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Writer's pictureHamizi Jamaluddin

INSTALLATION OF SERVICES ON RED HAT 7.6 IN MILITARIZED ZONE (WORDPRESS AND THUNDERBIRD EMAIL SERVER)

In this post we will cover


How to configure network

How to set system hostname and join domain

how to install wordpress

how to install local email server using mozilla thunderbird


Type command above to configure network


Move to edit a connection and press enter


Key in information as shown above and click ok


move to set system hostname and press enter


Press enter


press enter

How to join domain controller on MZ-window server 2016:


Install aobve package by typing command as shown above.


after reboot, type command above follow by our domain name to discover it. After discover the domain, join the domain by typing the second domain as shown in the picture above.

Installation of wordpress on MZ-RHEL7:


Install wget to install file over network


Install apache


Start apache service and check status of apache

How to install mariadb:


Start and enable mariadb services


increase security of mariadb installation:


Enter ‘y’ for all options.

How to install php:


move to /var/www/html create test.php to test apache


Type the following content into test.php, press the key eac + shift + ; then type wq to save and exit


On another virtual machine in militarized zone, key in ip address of red hat server and press enter to see if the file test.php is up or not


log on to mariadb to create database, user and password


use command above to grant privilege of the database created to the user

How to install and configure wordpress:


Download latest wordpress package from wordpress website


Decompressed the package


Copy content of wordpress folder to /var/www/html


Change the owner of /var/www/html to apache user.

Configure wordpress:


Copy cp wp-config-sample.php to wp-config.php


Edit wp-config.php file


Edit the following parameter in line 23, 26 and 29


Open a browser on another virtual machine in militarized zone, key in the ip address of red hat 7 server and you should see the page above


How to install email server (local mail):


Edit hosts file


Add on the 3rd line with the static IP address and system hostname


install thunderbird email client using command as listed above


Install postfix


Install dovecot


Open the port as shown above on firewall then reload it


Edit main.cf file


Edit the line 76 and 83


Edit the line 99 and 113


Edit the line 164 and 165


Edit the line 264


Edit the line 419


start and check status of postfix

How to install telnet:


install telnet with command as shown above


create 2 user for later use to test sending email via mozilla thunderbird mail agent


Test smtp connection by using telnet session


Move to recipient maildir directory to check whether the mail is received or not


Edit dovecot.conf


Edit line 24


Edit 10-mail.conf


Edit line 24


Edit 10-auth.conf


Edit line 10


Edit line 100


Edit 10-master.conf file


Edit line 91 and 92


Edit 10-ssl.conf file


Edit line 10 to enable SSL


run and check status of dovecot


Test pop3 connection using telnet session and retrieve the previous message

On MZ-windows 7 virtual machine:


Open a browser, search for mozilla thunderbird email application and click on the first result


Under english version, click windows and click save


Click run


Click yes


Click next


Tick standard and click next


Click install after install click finish


Click on email under set up an account


Filll in the user email address and password that we have set up before


Choose IMAP and click done


Click i understand the risks and click done


Click confirm security exception


On the left tab, we can see that have sign in as john


Click local folders and click email under set up an account


Fill in the email address and password of another user that we set up in red hat


Tick IMAP and click done