Nginx Tutorials: Basic commands
These are the basic commands you use to interact with your NGINX instance. Check NGINX version: Check configuration file syntax before reloading: Display current configurations: Reload NGINX…
Nginx Tutorials: Example of Nginx configuration
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Linux Assignment & Excercise
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
5 Tips for Learning Cloud Computing
5 Tips for Learning Cloud Computing Getting started with cloud computing can be intimidating if you lack the support, resources, and knowledge to go through it the…
Terraform: Example Code for Create Multiple Azure Linux Vms
Step 1 – Install terraform Step 2 – Copy a followng code into new directory in file called “main.tf” Step 3 – Create IAM user and assign…
Master in DevOps Engineering (MDE) Curriculum
MDE (4 Months) = DevOps + SRE + DevSecOps DevOps Certified Professional (DCP) Curriculum (2 Months) # SDLC Problems Solution 1 SDLC Models & Architecture with Agile,…
SRE Certified Professional (SRECP) Curriculum
# SDLC Problems Solution 1 SDLC Models & Architecture with Agile, DevOps, SRE & DevSecOps, SOA & Micro services Concept 2 Platform – Operating Systems Centos/Ubuntu &…
DevSecOps Certified Professional (DSOCP) Curriculum
# SDLC Problems Solution 1 SDLC Models & Architecture with Agile, DevOps, SRE & DevSecOps, SOA & Micro services Concept 2 Platform – Operating Systems Centos/Ubuntu &…
DevOps Certified Professional (DCP) Curriculum
# SDLC Problems Solution 1 SDLC Models & Architecture with Agile, DevOps, SRE & DevSecOps, SOA & Micro services Concept 2 Platform – Operating Systems Centos/Ubuntu &…
Istio Tutorials: Traffic Management – Request routing
Step 1 – Install Sample App https://istio.io/latest/docs/examples/bookinfo/ Step 2 – Work with Request Routing https://istio.io/latest/docs/tasks/traffic-management/request-routing/ Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I…
Linux Tutorials: Log Parsing & Pattern Search Cheat Sheet
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Linux Tutorials: grep command & example
Find text in a file/files. The grep command searches through many files at a time to find a piece of text you are looking for. grep PATTERN…
Linux Tutorials: chown command & example
The command chown, an abbreviation of change owner, is used on Unix and Unix-like operating systems to change the owner of file system files, directories. Unprivileged users…
Linux Tutorials: Chmod Commands
In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags of file system…
GitLab Tutorials: Hooks Example in Gitlab
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
GitLab Tutorials: Gitlab integration with Jira
GitLab Tutorials: Gitlab integration with Jira Step 2 – Configure your project On the top bar, select Menu > Projects and find your project. On the left sidebar, select Settings…
GitLab Tutorials: Gitlab integration with Sourcegraph
What is Sourcegraph? Sourcegraph is a code search and intelligence tool for developers. It lets you search and explore all of your organization’s code on the web,…
GitLab Tutorials: Gitlab integration with PlantUML
What is PlantUML? PlantUML is an open-source tool allowing users to create diagrams from a plain text language. Besides various UML diagrams, PlantUML has support for various…
GitLab Tutorials: Authorization and Authentication with Gitlab
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
GitLab Tutorials: Understanding runner config.toml & Example of config.toml
The config.toml file is what configures a runner. You wouldn’t have one unless you’re running your own gitlab-runners, in which case it would be in /etc/gitlab/config.toml on…
GitLab Tutorials: How to setup and run GitLab Runner with Group?
Step 1- Go to following location Step 2 – Copy Group registration token Step 3 – Follow rest documents as below Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate…
GitLab Tutorials: Example of .gitlab-ci.yml
.gitlab-ci.yml file to run with Docker runner Build a Docker image with CI/CD and push to the GitLab registry Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing…
GitLab Tutorials: gitlab-runner commands line reference and example
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
GitLab Tutorials: How to setup and run GitLab Runner in a Linux?
Download and install binary Command to register runner Example of .gitlab-ci.yml Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus….
GitLab Tutorials: Using letsencrypt with Gitlab self hosted server
Step 1 – Create a valid DNS entry Step 2 – Do following changes Step 3 – Run following commands Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about…
GitLab Tutorials: Gitlab integration with Mailgun
Most of the Mailgun service can be accessed through the RESTful HTTP API without the need to install any libraries. It is organized around the four major…
GitLab Tutorials: Gitlab integration with Kroki
Kroki provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag), BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, Pikchr,…
GitLab Tutorials: Gitpod integration with Gitlab
Spin up fresh, automated dev environments for each task, in the cloud, in seconds. Learn how to start using Gitpod on an example project that is hosted…
GitLab Tutorials: Running SAST in an offline environment in Selfhosted
For self-managed GitLab instances in an environment with limited, restricted, or intermittent access to external resources through the internet, some adjustments are required for the SAST job…
GitLab Tutorials: How to setup and run GitLab Runner in a container?
Step 1 – Install Latest Version of Docker Step 2 – Run “gitlab-runner” command in the container Step 3 – Register the runner The following steps describe…