Basic usage: simple GET method This will make a GET request to the given URL and print response to stdout. $ curl https://example.com Ignore invalid and self-signed SSL connection errors with curl Use -k or --insecure option $ curl -k https://domain-with-insecure-ssl.com Print response headers Use -i option to print response headers and the response itself, -I option to omit the response and print response headers only.

There are many benefits you can get when using Nginx to proxy your S3 (and others) files, such as: Proxy cache to leverage browser caching URLs masking that helps a lot in case you change cloud provider later Speed up transferring by offload SSL/TLS … This tutorial helps you through…

Installing Docker Ubuntu From official docs: https://docs.docker.com/engine/install/ubuntu/ Uninstalling old versions: sudo apt-get remove docker docker-engine docker.io containerd runc Set up the respository sudo apt update Install packages to allow apt to use a repository over HTTPS: sudo apt-get install \ apt-transport-https \ ca-certificates \ curl \ gnupg-agent \ software-properties-common

Let’s Encrypt is a Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates for enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, Certbot, that attempts to automate most of the required steps for both Apache and Nginx. Install certbot …

NGINX Built‑In Timing Variables NGINX provides a number of built‑in timing variables that you can include in log entries. All are measured in seconds with millisecond resolution. $request_time – Full request time, starting when NGINX reads the first byte from the client and ending when NGINX sends the last byte of the response body …

Concepts Exchanges Messages are not published directly to a queue; instead, the producer sends messages to an exchange. An exchange is responsible for routing the messages to different queues with the help of bindings and routing keys. A binding is a link between a queue and an exchange. The routing key is…

Step 0: Install newest version of Erlang $ wget -O- https://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc | sudo apt-key add - $ echo "deb https://packages.erlang-solutions.com/ubuntu bionic contrib" | sudo tee /etc/apt/sources.list.d/erlang.list then: sudo apt update sudo apt install erlang Check Erlang version: $ erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell

Adding current git branch name in Bash prompt with highlighted color can help to avoid a lot of problems with working on wrong git branches, which is a quite popular scenario to most of the developers sometime. This guide show to do it and explain some underneath concept of the…

OCRmyPDF is a free utility that allows you to convert a scanned pdf to text (ocr — optical character recognition). In fact, OCRmyPDF adds an OCR text layer to scanned PDF files over the original one, allowing them to be searched or copy-pasted. Main features Generates a searchable PDF/A file from a…