Kubernates: An architectural overview
Kubernates is composed by a set of processes running on machines of a network that can communicate each other, those processes can divided…
cat kubernates-an-architectural-overview.md →$ ls -lh ./posts
// also on this box: ./practice, ./tools and ./games
jq: sed for JSON
grep is the standard unix tool to filter text files and will remain the standard tool because of its speed and many examples available…
cat jq-sed-for-json.md →
Ansible: inventory and configuration tips
Ansible can execute commands in Linux hosts using ssh, powershell in Windows hosts and just plain bash commands when interacting with the…
cat ansible-inventory-and-configuration-tips.md →Ansible: ad-hoc commands
Ansible is not usefull only to run large complicated playbooks, its also usefull when you want to run simple commands on group of servers.
cat ansible-ad-hoc-commands.md →How to start with ansible
In this article i will show you how to install and configure ansible and how to run a basic playbook.
cat how-to-start-with-ansible.md →How to check if a port is open and you dont have telnet or nc installed
In some environments you might not be able to install telnet or nc to verify if a port is open, but still using standard linux commands…
cat how-to-check-if-a-port-is-open-and-you-dont-have-telnet-or-nc-installed.md →Docker swarm: overlay network encryption and MTLS
To encrypt application data, add --opt encrypted when creating the overlay network. This enables IPSEC encryption at the level of the…
cat docker-swarm-overlay-network-encryption-and-mtls.md →Docker content trust: how it works
Docket content trust is a security mechanism that allows only images with a specific sign to run to our docker environment. This ensures…
cat docker-content-trust-how-it-works.md →Docker networking explained
Docker utilizes n architecture called Container Network Model (CNM) to manage container networking.
cat docker-networking-explained.md →