Debugging issues with libcurl and publickey authentication

Curl has support for sftp and scp, among many other protocols. In one of our php-applications we use libcurl to transfer files via sftp to a remote datacenter.

We recently migrated this application into a docker-container. With it we transferred the private key into the container, so the application can …

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Constructing Ansible variables with the vars-lookup plugin

I have an Ansible role that deploys microservices, of whom I have a list of. The microservices are called foo, bar and baz. I also have a list of stages, called DEV, QA and PROD where the microservices get deployed to. Of course, every microservice needs to connect to a …

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On getting feedback from your users

Some time ago I talked with a co-worker about his internal project. He was the owner of a product that tried to provide a generalized, hardened and fully codified Jenkins instance. This was done with the help of mostly Puppet and Groovy code. I was in this project for six …

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Advanced usage of yum-config-manager with setopts

Recently I used the yum-config-manager program from the yum-utils package to add a repository in a CentOS-box.

This is the easy part:

# install the yum-config-manager
yum -y install yum-utils

# add the official ansible repository
yum-config-manager --add-repo=https://releases.ansible.com/ansible/rpm/release/epel-7-x86_64/

What gets added in /etc/yum …

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