Thodoris Velmachos

I am a passionate DevOps. I working as a consultant, who can deliver quality services.

Athens,Greece Joined on Aug 26, 2022 https://t-velmachos.start.page/

Education

Technological Institute of ComputerScience and Mass Media

Work

Founder / DevOps at NgCloudOps

I love to develop programs in Python and Groovy mainly I am focusing in Automation and Containerization of the Applications.

I am currently learning to develop Web Apps with the use of Python framework (fastapi/ flask)and Nodejs (React/Angular)

DevOps Projects

25 posts published

0 comments written

26 tags followed

Thodoris Velmachos

Jul 19

Do you want to upgrade MongoDB from version 5 to 7 on K8s?

#devops #kubernetes #mongodb #backup

2 min read

Thodoris Velmachos

Dec 15 '23

Reindex Indices with Python

#programming #python #elasticsearch #script

1 min read

Thodoris Velmachos

Mar 31 '23

Consul Service Discovery on Prometheus.

#kubernetes #devops #observabillity

1 min read

Thodoris Velmachos

Dec 5 '22

Do you want to enforce Least Privilege Principle to k8s Api Server?

#kubernetes #devops #rbac #tutorial

2 min read

Thodoris Velmachos

Nov 14 '22

How to Migrate Indices from Elasticsearch.

#devops #kubernetes #elasticsearch

2 min read

Thodoris Velmachos

Nov 12 '22

Deploy Promtail as a Sidecar to you Main App.

#devops #kubernetes #observabillity #grafana

2 min read

Thodoris Velmachos

Nov 11 '22

How to Backup a Mongo DB In K8s.

#devops #kubernetes #mongodb #operations

2 min read

Thodoris Velmachos

Nov 3 '22

Pods running in GKE are not mounting their PVs.

#kubernetes #devops #troubleshouting #gke

1 min read

Thodoris Velmachos

Nov 3 '22

Do you know the project called Otomi?

#devops #kubernetes #gitops #paas

2 min read

Thodoris Velmachos

Nov 3 '22

How to execute Ansible Playbook with a Github Action.

#devops #docker #ansible #github

2 min read

Thodoris Velmachos

Nov 3 '22

How to Update an Kubernetes Image Imperatively.

#kubernetes #devops

1 min read

Thodoris Velmachos

Oct 24 '22

How to create a Grafana Alert Rule.

#devops #kubernetes #grafana

2 min read

Thodoris Velmachos

Oct 15 '22

How to transfer Files to Samba Server with Powershell 7.

#devops #tutorial #powershell #sysadmin

3 min read

Thodoris Velmachos

Oct 15 '22

How you can provision a AWS EC2 Instance with AWS Cloudformation.

#devops #aws #iac #tutorial

4 min read

Thodoris Velmachos

Oct 13 '22

How to register a S3 repository used to store Elasticsearch Snapshots.

#devops #aws #boto #python

1 min read

Thodoris Velmachos

Oct 10 '22

Protect your Kubernetes Persistent Volumes from accidental deletion.

#kubernetes #python #tutorial #devops

3 min read

Thodoris Velmachos

Oct 8 '22

How to upgrade your GKE Manually to 1.22.12-gke.2300.

#kubernetes #gke #devops #tutorial

4 min read

Thodoris Velmachos

Oct 5 '22

Deploy Traefik Ingress to Kubernetes with Flux.

#kubernetes #tutorial #beginners #infrastructure

4 min read

Thodoris Velmachos

Oct 3 '22

Verify the Images deployed to Kubernetes.

#kubernetes #security #tutorial

1 min read

Thodoris Velmachos

Oct 3 '22

Create Multi Arch Pipelines with Github Actions.

#docker #github #tutorial

2 min read

Thodoris Velmachos

Oct 3 '22

Deploy Traefik Ingress with Helm.

#kubernetes #tutorial #gke

2 min read

Thodoris Velmachos

Oct 2 '22

SBOM/Vulnerability Assessments against Docker Images.

#security #docker #devops #devjournal

1 min read

Thodoris Velmachos

Sep 30 '22

Teleport Database Access Management.

#devops #database #security #postgres

4 min read

Thodoris Velmachos

Sep 19 '22

How to enable TLS on Postgres managed by Helm.

#kubernetes #helm #postgres #tls

1 min read

Thodoris Velmachos

Sep 17 '22

Hello, I am Thodoris

#devops #kubernetes #python

1 min read

DEV Community

Thodoris Velmachos

Badges

Two Year Club

Writing Debut

One Year Club

8 Week Writing Streak

4 Week Writing Streak

Skills/Languages

Currently learning

Currently hacking on

Do you want to upgrade MongoDB from version 5 to 7 on K8s?

Reindex Indices with Python

Consul Service Discovery on Prometheus.

Do you want to enforce Least Privilege Principle to k8s Api Server?

How to Migrate Indices from Elasticsearch.

Deploy Promtail as a Sidecar to you Main App.

How to Backup a Mongo DB In K8s.

Pods running in GKE are not mounting their PVs.

Do you know the project called Otomi?

How to execute Ansible Playbook with a Github Action.

How to Update an Kubernetes Image Imperatively.

How to create a Grafana Alert Rule.

How to transfer Files to Samba Server with Powershell 7.

How you can provision a AWS EC2 Instance with AWS Cloudformation.

How to register a S3 repository used to store Elasticsearch Snapshots.

Protect your Kubernetes Persistent Volumes from accidental deletion.

How to upgrade your GKE Manually to 1.22.12-gke.2300.

Deploy Traefik Ingress to Kubernetes with Flux.

Verify the Images deployed to Kubernetes.

Create Multi Arch Pipelines with Github Actions.

Deploy Traefik Ingress with Helm.

SBOM/Vulnerability Assessments against Docker Images.

Teleport Database Access Management.

How to enable TLS on Postgres managed by Helm.

Hello, I am Thodoris