DELL. Configure Dell 10 gigabit switch with Ansible
Use Ansible playbooks to easy configure Dell Networking OS9 system. The post contains many practical examples of using dellos9 modules
devops
Docker. Create secure web service using Let’s Encrypt with Traefik
Deploying web services to public network usually requires to set up secure connections using SSL certificates. With Docker you can easily make it using anoth...
Traefik. Concept term explanation
Traefik is a load balancer and HTTP reverse proxy that makes working with microservices. It has good interfaces to integrate with containers and orchestratio...
Selenoid. Selenium in Docker
Selenoid is a server, that launches isolated browsers within Docker containers. All browser processes are fully isolated. This allows launching an unhindered...
Dockerfile. ARG and ENV statement differences
The both words use for define variables in to Dockerfile. It may be difficult to understand the difference, but it will be explained here.
GitLab CE in Docker. External OAuth2 Authorization
GitLab allows to sign up and login with many external application like Google, Facebook, Github. Also a custom OAuth provider supported by a internal library...
GitLab CE in Docker. Disable HTTPS
GitLab CE enable https and Let’s Encrypt certificates by default. What to do if it no needs? How to disable listening 443 TCP port.
GitLab CE in Docker. Deploying
A good team of software development doesn’t exists without a code repository manager system. GitLab is the most popular and reach functionality system. This ...
Ansible. My preferred modules
Ansible ships with a number of modules (module library) that can be executed directly on remote hosts or through Playbooks. Modules are the ones that do the ...
Ansible. Getting started
In this post I will speak about installation and configuration the remote and control machine for running basic commands and the first playbook.
Ansible. Architecture
Ansible is an automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many ot...
Ansible. Why I use it?
As a sysadmin I often connect to servers that run the same commands by SSH. This is could be update packages, edit configures, copy files or some other thing...
GitLab CI/CD. Create simple pipeline
With using CI/CD pipelines in GitLab project you can easily build, test and deploy your code. This post will describe how to make it step by step.
GitLab CI/CD. Install and configure Runner
GitLab uses Runners for a running scripts that defined in your CI pipeline. A Runner is a daemon that hosted in your servers. It waits commands from GitLab ...
GitLab CI/CD. Main concepts and terms
Before we will create the first pipeline with GitLab CI we should understand what pipeline is it. I want to explain main terms in this post.
GitLab CI/CD
GitLab CI/CD takes many benefits for companies that want to automate software development workflow. I use it in my practice for a long time and want to docum...