IT

How to (auto)start infrastructure with docker-compose. Very useful for development needs as example for review server (pre-prod or test environment). Here about how to protect iptables when we use docker-compose .

How to tunnel 2 AWS networks and don't use AWS services. Most of manual show how to do it, but without high availability. Here we can have asymmetric routing or any other.

Easy and fast way get all domains or records via CloudFlare API

We have pretty cool json from WordPress redirect table and we need move this action to nginx.

Easy way merge two files on the fly. Storage can be any from list of salt supported.

Short notes, how to configure Ruby on Debian 8 and store Slate (helps you create beautiful, intelligent, responsive API documentation)

Salt (SaltStack inc.) pretty cool tools for automation with I use many years. Here example of agent-less (salt-ssh) usage with dynamic inventory (roster and Ansible inventory plugin).

What we have: Telegraf with send stats to two influxdb servers and dashboard with we need point to only one server. Also we have Nagios as InfluxDB health monitoring.

Sometimes you need roll out part of application (after code refactoring, as example) to prod. Here pretty easy way how to do it with Haproxy

After some migration between applications versions you need to keep backward compatibility. Here example of easy way how to redirect lot of links to new location for Haproxy.  (example for Nginx )

After some migration between applications versions you need to keep backward compatibility. Here example of easy way how to redirect lot of links to new location for Nginx. (Example for Haproxy )