Update README.md

README.md

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 You can view installation guide guide on [3ilson.org YouTube Channel ](https://www.youtube.com/3ilsonorg).
 
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 ### Prerequisites 
 - Ubuntu Server v18.04+
 - pfSense v2.4.4+
 
-
 # Preparation
 
 ### 1. Add Oracle Java Repository
-```markdown
+```
 'sudo add-apt-repository ppa:webupd8team/java'
 
 ### 2. Download and install the public GPG signing key
-```markdown
+```
 'wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -'
 
 ### 3. Download and install apt-transport-https package 
-```markdown
+```
 'sudo apt-get install apt-transport-https'
 
 
 ### 4. Add Elasticsearch|Logstash|Kibana Repositories (version 6+) 
-```markdown
+```
 'echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-6.x.list'
 
 ### 5. Update
-```markdown
+```
 'sudo apt-get update'
 
-
 ### 6. Install Java 8
-```markdown
+```
 'sudo apt-get install oracle-java8-installer'
 
-
 # Install
 - Elasticsearch v6.6+ | Kibana v6.6+ | Logstash v6.6+
 
 ### 8. Install Elasticsearch|Kibana|Logstash
-```markdown
+```
 'sudo apt-get install elasticsearch && sudo apt-get install kibana && sudo apt-get install logstash'
 
 # Configure Kibana|v6.6+
 
 ### 9. Configure Kibana
-```markdown
+```
 'sudo nano /etc/kibana/kibana.yml'
 
 ### 10. Amend host file (/etc/kibana/kibana.yml)
@@ -59,81 +54,81 @@ You can view installation guide guide on [3ilson.org YouTube Channel ](https://w
 # Configure Logstash|v6.6+
 
 ### 11. Change Directory
-```markdown
+```
 'cd /etc/logstash/conf.d'
 
 ### 12. Download the following configuration files
-```markdown
+```
 'sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/01-inputs.conf'
 
-```markdown
+```
 'sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/10-syslog.conf'
 
-```markdown
+```
 'sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/11-pfsense.conf'
 
-```markdown
+```
 'sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/30-outputs.conf'
 
 ### 13. Make Patterns Folder
-```markdown
+```
 'sudo mkdir /etc/logstash/conf.d/patterns'
 
 ### 14. Navigate to Patterns Folder
-```markdown
+```
 'cd /etc/logstash/conf.d/patterns/'
 
 ### 15. Download the following configuration file
-```markdown
+```
 'sudo wget https://raw.githubusercontent.com/a3ilson/pfelk/master/pfsense_2_4_2.grok'
 
 ### 16. Edit (10-syslog.conf)arkdown
-```markdown
+```
 'sudo nano /etc/logstash/conf.d/10-syslog.conf'
 
 ### 17. Revise/Update w/pfsense IP address (10-syslog.conf)
-```markdown
+```
 'Change line 3; the "if [host]..." should point to your pfSense IP address'
 'Change line 9 to point to your second PfSense IP address of comment out'
 
 ### 18. Edit (11-pfsense.conf)
-```markdown
+```
 'sudo nano /etc/logstash/conf.d/11-pfsense.conf'
 
 ### 19. Resive/Update timezone
-```markdown
+```
 Change line 12 to the same timezone as your phSense configruation
 _Note if the timezone is offset or mismatched, you may not see any logs_
 
 ### 20. Download and install the MaxMind GeoIP database
-```markdown
+```
 'cd /etc/logstash'
 
 ### 21. Download and install the MaxMind GeoIP database
-```markdown
+```
 'sudo wget http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz'
 
 ### 22. Download and install the MaxMind GeoIP database
-```markdown
+```
 'sudo gunzip GeoLite2-City.mmdb.gz'
 
 # Configure Services
 
 ### Start Services on Boot as Services (you'll need to reboot or start manually to proceed)
-```markdown
+```
 'sudo /bin/systemctl daemon-reload'
 'sudo /bin/systemctl enable elasticsearch.service'
 'sudo /bin/systemctl enable kibana.service'
 'sudo /bin/systemctl enable logstash.service'
 
 ### Start Services Manually
-```markdown
+```
 'sudo -i service elasticsearch start'
 'sudo -i service kibana start'
 'sudo -i service logstash start'
 
 ### Status
-```markdown
+```
 'systemctl status elasticsearch.service'
 
 'systemctl status kibana.service'
@@ -141,7 +136,7 @@ _Note if the timezone is offset or mismatched, you may not see any logs_
 'systemctl status logstash.service'
 
 ### Troubleshooting
-```markdown
+```
 '/var/log/logstash'
 
 'cat/nano/vi the files within this location to view Logstash logs'