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Aleksei Aleinikov

Senior Cloud Security & Platform Engineer. Building production-grade cloud at scale. Writing on Kubernetes, IAM, Terraform & security by design. Google Cloud Ambassador · GCP certified.

Location Thessaloniki, Greece Joined Joined on  Personal website https://www.alekseialeinikov.com

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he/him

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Senior GCP Platform & Cloud Security Engineer

Ansible vs Terraform: What to Learn and When to Use Both
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Ansible vs Terraform: What to Learn and When to Use Both

#ansible #terraform #infrastructureascode #configurationmanagem
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17 min read
Ansible vs Terraform: Der Vergleich für Einsteiger
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Ansible vs Terraform: Der Vergleich für Einsteiger

#ansible #terraform #infrastructureascode #configurationmanagem
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16 min read
Claude Fable 5.2 und Mythos 5.2: Leistung, Preise und Grenzen
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Claude Fable 5.2 und Mythos 5.2: Leistung, Preise und Grenzen

#claudefable52 #claudemythos52 #claudeopus55 #reasoningeffort
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21 min read
Claude Fable 5.2 and Mythos 5.2: Power, Price and Limits
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Claude Fable 5.2 and Mythos 5.2: Power, Price and Limits

#claudefable52 #claudemythos52 #claudeopus55 #reasoningeffort
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22 min read
Argo CD vs Flux: Gleiches Git, andere Steuerung
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Argo CD vs Flux: Gleiches Git, andere Steuerung

#argocd #flux #gitops #kubernetes
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21 min read
Argo CD vs Flux: Same Git, Different Control
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Argo CD vs Flux: Same Git, Different Control

#argocd #flux #gitops #kubernetes
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21 min read
KI-Agenten-Sicherheit: Wer kontrolliert die Schlüssel?
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KI-Agenten-Sicherheit: Wer kontrolliert die Schlüssel?

#aiagentsecurity #codingagents #promptinjection #secretsmanagement
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18 min read
AI Agent Security: Your Assistant Has the Keys
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AI Agent Security: Your Assistant Has the Keys

#aiagentsecurity #codingagents #promptinjection #secretsmanagement
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19 min read
Nouswise vs NotebookLM: When Research Becomes a Workflow
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Nouswise vs NotebookLM: When Research Becomes a Workflow

#nouswise #notebooklm #airesearch #knowledgemanagement
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17 min read
Nouswise vs NotebookLM: Wenn Recherche zum Workflow wird
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Nouswise vs NotebookLM: Wenn Recherche zum Workflow wird

#nouswise #notebooklm #airesearch #knowledgemanagement
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16 min read
Local LLMs for Cybersecurity: Choose the Brain, Limit Its Reach
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Local LLMs for Cybersecurity: Choose the Brain, Limit Its Reach

#localllm #cybersecurity #llmsecurity #aiagentsecurity
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15 min read
Lokale LLMs für Cybersicherheit: Modell wählen, Zugriff begrenzen
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Lokale LLMs für Cybersicherheit: Modell wählen, Zugriff begrenzen

#localllm #cybersecurity #llmsecurity #aiagentsecurity
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15 min read
mTLS vs TLS erklärt: Zwei Identitäten, eine Verbindung
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mTLS vs TLS erklärt: Zwei Identitäten, eine Verbindung

#mtls #tls #mutualtls #authentication
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11 min read
mTLS vs TLS Explained: Two Identities, One Connection
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mTLS vs TLS Explained: Two Identities, One Connection

#mtls #tls #mutualtls #authentication
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11 min read
DeepSeek V4.1 Flash erklärt: Der Speichertrick für günstige Agenten
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DeepSeek V4.1 Flash erklärt: Der Speichertrick für günstige Agenten

#deepseek #llminference #kvcache #aiagents
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8 min read
DeepSeek V4.1 Flash Explained: The Memory Trick Behind Cheap Agents
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DeepSeek V4.1 Flash Explained: The Memory Trick Behind Cheap Agents

#deepseek #llminference #kvcache #aiagents
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8 min read
Navicat 18 im Test: Lohnt es sich für PostgreSQL? 10 Mio. Zeilen
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Navicat 18 im Test: Lohnt es sich für PostgreSQL? 10 Mio. Zeilen

#navicat #navicatreview #postgres #postgresqlgui
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13 min read
Navicat 18 Review: Is It Worth It for PostgreSQL? Tested on 10M Rows
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Navicat 18 Review: Is It Worth It for PostgreSQL? Tested on 10M Rows

#navicat #navicatreview #postgres #postgresqlgui
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13 min read
Gemini 4 Carbon im Test: Benchmarks, Preis, Zugang und für wen es sich wirklich lohnt
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Gemini 4 Carbon im Test: Benchmarks, Preis, Zugang und für wen es sich wirklich lohnt

#gemini4carbon #gemini4carbontest #gemini4carbonvsclaud #gemini4carbonvsgpt6a
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14 min read
Gemini 4 Carbon Review: Benchmarks, Price, Access and Who It Is Actually For
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Gemini 4 Carbon Review: Benchmarks, Price, Access and Who It Is Actually For

#gemini4carbon #gemini4carbonreview #gemini4carbonvsclaud #gemini4carbonvsgpt6a
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14 min read
Ghidra MCP vs REA: How AI Agents Reverse Engineer Software, and What the Setup Changes on Your Machine
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Ghidra MCP vs REA: How AI Agents Reverse Engineer Software, and What the Setup Changes on Your Machine

#ghidramcp #ghidramcpserver #ghidradecompiler #reaagents
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20 min read
Ghidra MCP vs REA: Wie KI-Agenten Software per Reverse Engineering analysieren und was das Setup auf deinem Rechner verändert
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Ghidra MCP vs REA: Wie KI-Agenten Software per Reverse Engineering analysieren und was das Setup auf deinem Rechner verändert

#ghidramcp #ghidramcpserver #ghidradecompiler #reaagents
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20 min read
Tailscale vs WireGuard: What the Control Plane Buys You, and What the SSH Flaws Cost
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Tailscale vs WireGuard: What the Control Plane Buys You, and What the SSH Flaws Cost

#tailscalevswireguard #istailscalesafe #tailscalesshvulnerab
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18 min read
Tailscale vs WireGuard: Was die Control Plane bringt und was die SSH-Lücken kosten
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Tailscale vs WireGuard: Was die Control Plane bringt und was die SSH-Lücken kosten

#tailscalevswireguard #isttailscalesicher #tailscalesshsicherhe #headscalevstailscale
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18 min read
GPT-6.1 Terra vs Claude Sonnet 5.5 vs GPT-6.1 Sol: Halber Preis pro Token ist nicht die halbe Rechnung
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GPT-6.1 Terra vs Claude Sonnet 5.5 vs GPT-6.1 Sol: Halber Preis pro Token ist nicht die halbe Rechnung

#gpt61terra #claudesonnet55 #gpt61sol #gpt61terravssonnet55
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15 min read
GPT-6.1 Terra vs Claude Sonnet 5.5 vs GPT-6.1 Sol: Half the Price per Token Is Not Half the Bill
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GPT-6.1 Terra vs Claude Sonnet 5.5 vs GPT-6.1 Sol: Half the Price per Token Is Not Half the Bill

#gpt61terra #claudesonnet55 #gpt61sol #gpt61terravssonnet55
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15 min read
JWT erklärt: Was ein JSON Web Token ist und wie es bricht
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JWT erklärt: Was ein JSON Web Token ist und wie es bricht

#jwt #jsonwebtoken #authentifizierung #oauth
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12 min read
JWT Explained: What a JSON Web Token Is and How It Breaks
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JWT Explained: What a JSON Web Token Is and How It Breaks

#jwt #jsonwebtoken #authentication #oauth
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12 min read
PostgreSQL Indexes: Which Type to Use (10M-Row Benchmark)
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PostgreSQL Indexes: Which Type to Use (10M-Row Benchmark)

#postgres #postgresindex #btree
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16 min read
PostgreSQL-Indizes: Welcher Typ wann? (10-Mio-Zeilen-Benchmark)
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PostgreSQL-Indizes: Welcher Typ wann? (10-Mio-Zeilen-Benchmark)

#postgres #postgresindex #btree
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16 min read
AI Gateway (LLM Gateway) erklärt: was es tut, wann Sie eins brauchen und was es kostet
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AI Gateway (LLM Gateway) erklärt: was es tut, wann Sie eins brauchen und was es kostet

#aigateway #llmgateway #llmproxy #litellm
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17 min read
AI Gateway (LLM Gateway) Explained: What It Does, When You Need One and What It Costs
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AI Gateway (LLM Gateway) Explained: What It Does, When You Need One and What It Costs

#aigateway #llmgateway #llmproxy #litellm
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17 min read
TypeScript 7 vs. TypeScript 6: Was sich ändert, was kaputtgeht und wie das Upgrade gelingt
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TypeScript 7 vs. TypeScript 6: Was sich ändert, was kaputtgeht und wie das Upgrade gelingt

#typescript7 #typescript6 #tsgo #typescriptgo
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14 min read
TypeScript 7 vs TypeScript 6: What Changed, What Breaks and How to Upgrade
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TypeScript 7 vs TypeScript 6: What Changed, What Breaks and How to Upgrade

#typescript7 #typescript6 #tsgo #typescriptgo
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13 min read
DuckDB Explained: When a Database on Your Laptop Beats SQLite, Polars and BigQuery
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DuckDB Explained: When a Database on Your Laptop Beats SQLite, Polars and BigQuery

#duckdb #duckdbvssqlite #polars #parquet
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12 min read
DuckDB erklärt: Wann eine Datenbank auf dem Laptop SQLite, Polars und BigQuery schlägt
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DuckDB erklärt: Wann eine Datenbank auf dem Laptop SQLite, Polars und BigQuery schlägt

#duckdb #duckdbvssqlite #polars #parquet
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11 min read
Das Outbox Pattern: Zuverlässige Events ohne verteilte Transaktionen
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Das Outbox Pattern: Zuverlässige Events ohne verteilte Transaktionen

#outboxpattern #transactionaloutbox #eventdrivenarchitect #microservices
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12 min read
The Outbox Pattern: Reliable Events Without Distributed Transactions
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The Outbox Pattern: Reliable Events Without Distributed Transactions

#outboxpattern #transactionaloutbox #eventdrivenarchitect #microservices
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11 min read
Muse Spark Open vs GLM 5.3 vs Kimi K3: Metas offenes Modell ist nicht das klügste, aber das günstigste
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Muse Spark Open vs GLM 5.3 vs Kimi K3: Metas offenes Modell ist nicht das klügste, aber das günstigste

#musesparkopen #glm53 #kimik3 #openweightllm
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14 min read
Muse Spark Open vs GLM 5.3 vs Kimi K3: Meta's Open Model Isn't the Smartest. It's the Cheapest to Run
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Muse Spark Open vs GLM 5.3 vs Kimi K3: Meta's Open Model Isn't the Smartest. It's the Cheapest to Run

#musesparkopen #glm53 #kimik3 #openweightllm
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13 min read
NIS2 for Cloud Teams, Part 1: Requirements Checklist for AWS, Azure and Google Cloud
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NIS2 for Cloud Teams, Part 1: Requirements Checklist for AWS, Azure and Google Cloud

#nis2 #nis2compliance #compliance #cloudsecurity
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12 min read
NIS2 für Cloud-Teams, Teil 1: Anforderungen und Checkliste für AWS, Azure und Google Cloud
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NIS2 für Cloud-Teams, Teil 1: Anforderungen und Checkliste für AWS, Azure und Google Cloud

#nis2 #nis2compliance #compliance #cloudsecurity
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13 min read
OpenTelemetry Explained: Traces, Metrics, Logs and the Collector
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OpenTelemetry Explained: Traces, Metrics, Logs and the Collector

#opentelemetry #observability #distributedtracing #otelcollector
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21 min read
OpenTelemetry erklärt: Traces, Metriken, Logs und der Collector
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OpenTelemetry erklärt: Traces, Metriken, Logs und der Collector

#opentelemetry #observability #distributedtracing #otelcollector
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22 min read
Webhooks erklärt: Wie sie funktionieren, wie man sie absichert und skaliert
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Webhooks erklärt: Wie sie funktionieren, wie man sie absichert und skaliert

#webhooks #webhooksecurity #hmac #idempotency
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20 min read
Webhooks Explained: How They Work, How to Secure Them, How to Scale Them
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Webhooks Explained: How They Work, How to Secure Them, How to Scale Them

#webhooks #webhooksecurity #hmac #idempotency
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20 min read
Mistral Large 4 vs Kolibri vs Beam: Drei Open-Weight-Modelle in vier Tagen — welches Sie selbst hosten sollten
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Mistral Large 4 vs Kolibri vs Beam: Drei Open-Weight-Modelle in vier Tagen — welches Sie selbst hosten sollten

#mistrallarge4 #alephalphakolibri #reflectionbeam #openweightllm
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18 min read
Mistral Large 4 vs Kolibri vs Beam: Three Open-Weight LLMs in Four Days — Which One to Self-Host
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Mistral Large 4 vs Kolibri vs Beam: Three Open-Weight LLMs in Four Days — Which One to Self-Host

#mistrallarge4 #alephalphakolibri #reflectionbeam #openweightllm
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17 min read
Google reCAPTCHA erklärt: v2 vs. v3 vs. Enterprise, Kosten, Score und jeder Schlüsseltyp
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Google reCAPTCHA erklärt: v2 vs. v3 vs. Enterprise, Kosten, Score und jeder Schlüsseltyp

#googlerecaptcha #captcha #recaptchav3 #recaptchaenterprise
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19 min read
Google reCAPTCHA Explained: v2 vs v3 vs Enterprise, Pricing, Scores and Every Key Type
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Google reCAPTCHA Explained: v2 vs v3 vs Enterprise, Pricing, Scores and Every Key Type

#googlerecaptcha #captcha #recaptchav3 #recaptchaenterprise
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19 min read
Claude Haiku 5.5 vs Sonnet 5.5 vs Opus 5.5: 20 Cheaper Than Sonnet — and a 100K-Token Price Cliff
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Claude Haiku 5.5 vs Sonnet 5.5 vs Opus 5.5: 20 Cheaper Than Sonnet — and a 100K-Token Price Cliff

#claudehaiku55 #claudesonnet55 #claudeopus55 #anthropicpricing
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15 min read
Claude Haiku 5.5 vs. Sonnet 5.5 vs. Opus 5.5: 20 günstiger als Sonnet – mit einer Preisstufe bei 100K Tokens
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Claude Haiku 5.5 vs. Sonnet 5.5 vs. Opus 5.5: 20 günstiger als Sonnet – mit einer Preisstufe bei 100K Tokens

#claudehaiku55 #claudesonnet55 #claudeopus55 #anthropicpricing
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15 min read
shadcn/ui vs. MUI vs. Mantine: Derselbe Screen fünfmal gebaut und gemessen
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shadcn/ui vs. MUI vs. Mantine: Derselbe Screen fünfmal gebaut und gemessen

#shadcnui #mui #mantine #baseui
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11 min read
shadcn/ui vs MUI vs Mantine: I Built the Same Screen Five Ways and Measured It
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shadcn/ui vs MUI vs Mantine: I Built the Same Screen Five Ways and Measured It

#shadcnui #mui #mantine #baseui
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11 min read
GPT-6.1 Sol vs Claude Opus 5.5: Half the Price, a Different Tier — and Where the Gap Disappears
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GPT-6.1 Sol vs Claude Opus 5.5: Half the Price, a Different Tier — and Where the Gap Disappears

#gpt61sol #claudeopus55 #gpt61solvsopus55 #gpt6astra
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12 min read
GPT-6.1 Sol vs. Claude Opus 5.5: Halber Preis, andere Klasse – und wo der Abstand verschwindet
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GPT-6.1 Sol vs. Claude Opus 5.5: Halber Preis, andere Klasse – und wo der Abstand verschwindet

#gpt61sol #claudeopus55 #gpt61solvsopus55 #gpt6astra
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12 min read
Cilium vs Calico: Which Kubernetes CNI Should Run Your Production Cluster?
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Cilium vs Calico: Which Kubernetes CNI Should Run Your Production Cluster?

#cilium #calico #kubernetescni #ebpf
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18 min read
Cilium vs Calico: Welches Kubernetes-CNI gehört in Ihren Produktionscluster?
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Cilium vs Calico: Welches Kubernetes-CNI gehört in Ihren Produktionscluster?

#cilium #calico #kubernetescni #ebpf
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18 min read
Gemini 4 Argon on Google Cloud: What Actually Changes for Platform Teams (2026)
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Gemini 4 Argon on Google Cloud: What Actually Changes for Platform Teams (2026)

#gemini4argon #vertexai #geminienterpriseagen #googlecloud
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8 min read
Gemini 4 Argon auf Google Cloud: Was sich für Platform-Teams wirklich ändert (2026)
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Gemini 4 Argon auf Google Cloud: Was sich für Platform-Teams wirklich ändert (2026)

#gemini4argon #vertexai #geminienterpriseagen #googlecloud
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9 min read
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