Themis Baltzakis - IT Consultant & Developer

System Online

Network Connected

Secure

PWA Ready

themis@fedora-workstation

systemctl status portfolio.service

[themis@fedora ~]$systemctl status portfolio.service

● portfolio.service - Professional IT Portfolio

Loaded: loaded (/etc/systemd/system/portfolio.service; enabled)

Active: active (running) since 15/10/2025

[themis@fedora ~]$cat /etc/os-release

NAME="cloudless.gr Professional Services"

VERSION="Enterprise Edition 2025"

ID=cloudless

PRETTY_NAME="Cloudless Professional Services"

HOME_URL="https://cloudless.gr"

[themis@fedora ~]$dnf info cloudless-services

Big Data • Cloud Computing • Cybersecurity • DevOps

[themis@fedora ~]$█

sudo dnf install contact-form man cloudless-services ls ~/projects/

$ grep -r "search term" ~/repositories/*

themis@fedora-workstation

systemctl status cloudless.service

        ▄▄▄▄▄▄▄
     ▄██▀▀▀▀▀▀▀██▄
   ▄██▀  ▄▄▄▄  ▀▀██▄
  ██▀  ▄██████▄  ▀██
 ██   ██▀▀▀▀▀▀██   ██
██   ██  ☁️ ☁️  ██   ██
██   ██        ██   ██
 ██   ██▄▄▄▄▄▄██   ██
  ██▄  ▀██████▀  ▄██
   ▀██▄  ▀▀▀▀  ▄██▀
     ▀██▄▄▄▄▄▄██▀
        ▀▀▀▀▀

cloudless.gr

Professional Cloud Solutions

OS:Fedora Linux 39 (Workstation Edition)

Host:cloudless.gr

Kernel:Linux 6.8.5-301.fc40.x86_64

Uptime:24/7 available

Init:systemd (v254)

Shell:bash 5.2.26

CPU:AMD Ryzen 9 7950X (32) @ 5.7GHz

Memory:32GB / 128GB

GPU:NVIDIA RTX 4090

SELinux:Enforcing

Technologies & Platforms:

Fedora 39

RHEL 9

CentOS

Docker

K8s

AWS

Azure

Contact & Location:

Email: tbaltzakis@cloudless.gr

Location:Athens, Greece

Languages:EN, EL

    ☁  ☁     ☁      ☁  ☁
  ☁      ☁       ☁       ☁
       cloudless.gr
  Professional Cloud Solutions

Υπηρεσίες

Comprehensive technology solutions tailored to your business needs

big-data.service

systemctl status hadoop-cluster

╔════════════════════════╗
║  cloudless.gr Cluster  ║
╠════════════════════════╣
║ [█████████] Node-01    ║
║ [█████████] Node-02    ║
║ [█████████] Node-03    ║
║ [█████████] Node-04    ║
╠════════════════════════╣
║ Status: ● Online       ║
║ Load:   78% CPU        ║
║ Memory: 64GB / 128GB   ║
╚════════════════════════╝

[root@fedora ~]#sudo dnf install big-data-stack

Installing: apache-spark hadoop kafka elasticsearch

Complete!

[root@fedora ~]#systemctl status big-data

● Λύσεις Big Data

Επεξεργασία δεδομένων και αναλυτικά

Active: active (running)

rpm -qi big-data get quote

cloud-computing.service

systemctl status multi-cloud

        ┌─────────────────┐
        │  ☁ cloudless.gr │
        │  Load Balancer  │
        └────────┬────────┘
                 │
      ┌──────────┴──────────┐
      │                     │
┌─────▼─────┐         ┌─────▼─────┐
│ ☁ AWS     │         │ ☁ Azure   │
│ Region 1  │         │ Region 2  │
└─────┬─────┘         └─────┬─────┘
      │                     │
┌─────▼─────┐         ┌─────▼─────┐
│ Services  │         │ Services  │
│ Cluster   │         │ Cluster   │
└───────────┘         └───────────┘

┌──────────────────────────────────┐
│  ☁ Multi-Cloud Infrastructure   │
│  Kubernetes • Docker • Terraform │
└──────────────────────────────────┘

[root@fedora ~]#sudo dnf groupinstall "Cloud Infrastructure"

Installing: aws-cli azure-cli terraform kubectl

Complete!

[root@fedora ~]#cloudless-deploy --multi-cloud

● Cloud Computing

Υποδομή και ανάπτυξη στο cloud

Providers: AWS • Azure • GCP • Kubernetes

Cloud Migration get quote

security.service

systemctl status selinux-enforcing

         Internet
             │
    ┌────────┴────────┐
    │   Cloudflare    │
    │   ☁ CDN/WAF     │
    └────────┬────────┘
             │
    ┌────────▼────────┐
    │ cloudless.gr    │
    │  ☁ Gateway      │
    └────────┬────────┘
             │
    ┌────────┴────────┐
    │                 │
┌───▼───┐       ┌─────▼──┐
│  Web  │       │  API   │
│  VMs  │       │ Docker │
└───┬───┘       └───┬────┘
    │               │
    └───────┬───────┘
            │
      ┌─────▼─────┐
      │ Database  │
      │ Cluster   │
      └───────────┘

[root@fedora ~]#sudo dnf install security-tools

Installing: nmap wireshark metasploit openscap

Complete!

[root@fedora ~]#getenforce

Enforcing

[root@fedora ~]#systemctl status security-audit

● Κυβερνοασφάλεια

Έλεγχοι ασφαλείας και υλοποίηση

SELinux: Enforcing • Firewalld: Active

Security Audit get quote

┌──────────┐    ┌──────────┐    ┌──────────┐
│   Git    │───▶│  Build   │───▶│   Test   │
│  Commit  │    │  ☁ CI    │    │  Suite   │
└──────────┘    └──────────┘    └──────────┘
                                      │
                                      ▼
┌──────────┐    ┌──────────┐    ┌──────────┐
│  Deploy  │◀───│  Review  │◀───│  Stage   │
│  ☁ Prod  │    │  Approve │    │  ☁ QA    │
└──────────┘    └──────────┘    └──────────┘

        cloudless.gr DevOps Pipeline

Έργα

Featured projects showcasing expertise in modern development

ecommerce-platform.rpm

systemctl status production

📦

Πλατφόρμα E-Commerce

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Ολοκληρωμένο ηλεκτρονικό κατάστημα με ενσωμάτωση πληρωμών

☁ cloudless.grDockerK8sMongoDBRedis

git clone repo man docs

analytics-dashboard.rpm

systemctl status data-pipeline

📊

Dashboard Αναλυτικών

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Οπτικοποίηση δεδομένων και αναφορές σε πραγματικό χρόνο

☁ cloudless.grSparkKafkaElasticsearchGrafana

git clone repo man docs

Καλώς ήρθατε στον Θέμη Μπαλτζάκη - Full-Stack Developer & Σύμβουλος Τεχνολογίας

Υπηρεσίες

Έργα

Πλατφόρμα E-Commerce

Dashboard Αναλυτικών