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I read your Nginx and Let’s Encrypt free SSL certificate tutorial. However, I use Lighttpd web server on AWS cloud. How do I secure my Lighttpd web server with Let’s Encrypt free SSL certificate on my Ubuntu Linux 16.04 LTS or Debian Linux 8.x server?
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How to install and configure Varnish cache on Ubuntu Linux 16.04 LTS

How do I install Varnish Cache server to improve the performance of my existing Apache web server especially caching dynamic content on Ubuntu Linux 16.04 LTS server?
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How to create a new config file in Ansible playbook

I wanted to create a file named /etc/apt/apt.conf.d/1000-force-ipv4-transport with the value set to ‘Acquire::ForceIPv4 true;’ on 20 cloud servers hosted in AWS. I already setup Ansible playbook to automate stuff. How do I create a new file using Ansible playbook? Is it possible to create a complex file with many lines of text (say squid.conf) using Ansible IT automation tool?
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How to disable ssh password login on Linux to increase security

I want to disable ssh clients from accessing using the password and only allow ssh login using SSH keys. How do I disable password authentication for SSH on Linux operating systems?
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How to open ssh port using ufw on Ubuntu/Debian Linux

How do I allow incoming SSH connections from a specific IP address or subnet on a Ubuntu or Debian Linux server using ufw?
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How to configure ufw to forward port 80/443 to internal server hosted on LAN

I am using UFW to protect my network. How do I forward TCP HTTP port # 80 and 443 to an internal server hosted at 192.168.1.100:80 and 192.168.1.100:443 using UFW on Ubuntu Linux server?
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How to install FreeBSD 11 on Google Cloud Compute

How can I deploy or install FreeBSD version 11.x Unix operating system on the Google cloud engine? Do I need to create my own FreeBSD disk image to start with the Google Cloud Compute?
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