Tech Docs
Ansible is the simplest way to automate apps and IT infrastructure. Application Deployment + Configuration Management + Continuous Delivery. For a better understanding of how ansible works, refer https://www.ansible.com/overview/how-ansible-works Prerequisites A Linux Machine ( Prefer a Debian flavour ) Docker We are planning to build ssh enabled containers, and practice Ansible on those containers. Build …
When I was working in an e-commerce project where users buy ebooks, videos, and audio files, I came across this solution. The requirement was to give a download URL/link which should expire after a few days for users who purchased the item. In case you have a similar requirement you can refer to this, In …
Jenkins is the leading open source automation server, Jenkins provides hundreds of plugins to support building, deploying and automating any project. Download and install Jenkins Download latest Jenkins from https://jenkins.io/download/ As I have a Debian based distro and the latest version available by the time I’m writing this is 2.174, This doc shares installation of …
Just like gzip, Brotli is also a compression algorithm. It is developed by Google and serves best for text compression. The reason being, it uses a dictionary of common keywords and phrases on both client and server side and thus gives a better compression ratio. It is supported by all major browsers Gzip vs Brotli …
Install Apache Solr Step 1: We will start by installing java. So you have to use the following command to start by installing python software properties: sudo apt-get install python-software-properties Now we will install the 8th version of java instead of using the default-jdk or default-jre packages. Start by using the following command and later press …
API Cache Solution with Varnish 4.0 Requirements API Backend Varnish Mobile App (or) Browser We can access the cached API’s with host name https://api.example.com from Mobile app or any other client application. Varnish Server Varnish 4.0 is installed and configured with the following configuration file. We can configure How much storage Varnish can use in …
Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 – 1000x, depending on your architecture. but Varnish Cache cannot deliver website over HTTPS. So here is a solution for that. Step 1 – Install Hitch and Varnish Hitch, is a scalable, open source network proxy designed to efficiently …
Amazon ES takes daily automated snapshots of the primary index shards in a domain, as described in Configuring Automatic Snapshots. The service stores up to 14 of these snapshots for no more than 30 days in a preconfigured Amazon S3 bucket at no additional charge to you. You can use these snapshots to restore the …
chmod is installed and chowing “chmod: command not found: Accidentally/knowingly typed chmod 644 /bin/chmod This is kind of “Key board not detected, Enter any key to continue.“ Here is the fix Create a dummy command with functions of chmod 1. Copy a file having execution permission. To create a dummy command just copy a binary/executable …
Have you ever think about how a command/binary executing in Linux even the command is not in your present working directory.?? What is a command/binary.!! A command is an executable file which was written in a programming language like C, C++ and converted into machine code with compilation. These machine codes will be packaged with …