Ubuntu Install AWS Cloudformation tools cfn-signal command

mkdir aws-cfn-bootstrap-latest curl https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz | tar xz -C aws-cfn-bootstrap-latest –strip-components 1 easy_install aws-cfn-bootstrap-latest Usage: /usr/local/bin/cfn-init –stack ${AWS::StackName} –resource AutoScalingGroup –region ${AWS::Region} /usr/local/bin/cfn-signal –exit-code 0 –stack ${AWS::StackName} –resource AutoScalingGroup –region ${AWS::Region}  

Upgrading Apache HTTP Server 2.2 to 2.4 on Ubuntu 12.04

https://www.ivankrizsan.se/2014/07/17/upgrading-apache-http-server-2-2-to-2-4-on-ubuntu-12-04/ service apache2 stop rm -r /etc/apache2/ apt-get remove apache2 apt-get remove apache2* apt-get purge apache2 apache2-utils apache2.2-bin apache2-common apt-get autoremove add-apt-repository ppa:ondrej/apach2 apt-get update apt-get upgrade apt-get install apache2  

How To Encrypt Tomcat 8 Connections with Apache or Nginx on Ubuntu 16.04

BOOKMARK LINK: ¬†https://www.digitalocean.com/community/tutorials/how-to-encrypt-tomcat-8-connections-with-apache-or-nginx-on-ubuntu-16-04   sudo nano /etc/nginx/sites-available/default sudo nginx -t sudo systemctl restart nginx sudo systemctl restart tomcat sudo nano /opt/tomcat/conf/server.xml sudo ufw delete allow 8080