Daniele Michelin

Specialist Support Engineer · Cloud Storage & Collaboration · Berlin. 18+ years at STRATO (IONOS Group), 2nd/3rd level support for managed Nextcloud. Notes: daniele-michelin.com/en/

Berlin, Germany Joined on Oct 23, 2026 https://daniele-michelin.com/en/

Daniele Michelin

Nov 12

Power planner: n8n finds cheaper and greener hours

#n8n #automation #ai

2 min read

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Daniele Michelin

Nov 12

The sky of the night you were born: an n8n workflow recalculates the stars

#showdev #n8n #ai #automation

2 min read

Daniele Michelin

Nov 12

SMTP 550 5.7.26 / 5.7.23: Gmail DMARC & SPF fails

#email #devops #sysadmin #security

2 min read

Daniele Michelin

Nov 12

n8n workflow #1: the website watcher that only speaks up when something changes

#n8n #automation #ai

2 min read

Daniele Michelin

Nov 11

Four datasets you can actually download (CSV and JSON)

#opensource #data #devops #security

2 min read

Daniele Michelin

Nov 11

SMTP 550 5.7.1: Relay access denied – causes & fix

#email #devops #sysadmin #security

2 min read

Daniele Michelin

Nov 11

I turned earthquakes and solar activity into music that changes every day

#showdev #n8n #automation

2 min read

Daniele Michelin

Nov 10

dig cheat sheet: the DNS queries I actually use

#dns #linux #sysadmin #tutorial

2 min read

Daniele Michelin

Nov 10

Docker: port is already allocated

#linux #devops #sysadmin #tutorial

2 min read

Daniele Michelin

Nov 10

Mission Control: 90 seconds to handle a fictional cyber incident

#n8n #automation #security #devops

2 min read

Daniele Michelin

Nov 9

Checking your Nextcloud from the outside: version, support end, exposed paths

#showdev #nextcloud #security #selfhosted

2 min read

Daniele Michelin

Nov 9

n8n workflow #21: an aurora radar that rings only for a real solar storm

#n8n #automation #ai

2 min read

Daniele Michelin

Nov 9

Website DNA: an n8n workflow sequences your homepage and finds third parties and CVEs

#n8n #security #privacy #ai

4 min read

Daniele Michelin

Nov 8

Incident note: Nextcloud "file is locked" (423 Locked): fix

#nextcloud #devops #tutorial

2 min read

Daniele Michelin

Nov 7

Link galaxy: an n8n workflow crawls your website and shows its internal linking as a 3D galaxy

#n8n #automation #webdev #ai

4 min read

Daniele Michelin

Nov 7

Your website as a 3D model town: an n8n workflow turns the sitemap into a living city

#n8n #automation #ai #security

5 min read

Daniele Michelin

Nov 7

Just for fun: an n8n oracle that reads the future from earthquakes, the solar wind and the ISS

#showdev #n8n #automation #ai

2 min read

Daniele Michelin

Nov 7

A school report card for your website: security headers, e-mail protection and certificate, graded like at school

#showdev #security #webdev

2 min read

Daniele Michelin

Nov 7

A postcard from orbit: n8n, the ISS, a real NASA satellite image and an AI

#showdev #n8n #automation #ai

5 min read

Daniele Michelin

Nov 7

n8n introduced: a workflow that takes the internet's pulse, and you start it with one click

#n8n #automation #ai #selfhosted

4 min read

Daniele Michelin

Nov 6

Can these domains be spoofed? We checked SPF and DMARC of 102 well-known domains, and only half of the banks reject forged mail

#showdev #email #security

3 min read

Daniele Michelin

Nov 5

We graded the security headers of 57 big websites: only 21 ship an effective CSP

#showdev #security #webdev

2 min read

Daniele Michelin

Nov 4

HTTP security headers in ten minutes: a safe starter set for nginx and how to test it

#security #nginx #webdev

3 min read

Daniele Michelin

Nov 4

Nextcloud doesn't show copied files: file system, database and occ files:scan

#nextcloud #linux #devops

3 min read

Daniele Michelin

Nov 2

Incident note: No space left on device despite free space

#linux #devops #tutorial

2 min read

Daniele Michelin

Nov 1

Scam radar: today's phishing emails and fake texts in plain words, updated twice a day

#security #automation #ai #n8n

2 min read

Daniele Michelin

Oct 31

Halloween: the token monster prefers video

#showdev #ai #tutorial

2 min read

Daniele Michelin

Oct 30

One week after PHP2Shell: attacked in the wild, and now a Linux kernel flaw on top

#php #security #linux #devops

5 min read

Daniele Michelin

Oct 28

An AI assistant for your own website: chat, voice calls and appointments, hosted on my own Mac

#ai #automation #tutorial

5 min read

Daniele Michelin

Oct 26

Root cause analysis in support: why the cause rarely sits where the symptom shows

#devops #linux #tutorial

3 min read

Daniele Michelin

Oct 25

Nextcloud: Collabora's built-in CODE server is being exploited. Check it today

#nextcloud #security #linux #devops

4 min read

Daniele Michelin

Oct 23

Mitigating PHP2Shell when no update exists yet: php.ini settings for NAS, Plesk and your own servers

#showdev #php #security

3 min read

Daniele Michelin

Oct 23

PHP emergency patch (PHP2Shell): how to check and patch your servers

#php #security #linux #devops

3 min read

Daniele Michelin

Oct 23

Three critical NGINX flaws: less dramatic than PHP2Shell, but patch them quickly anyway

#nginx #security #linux #devops

3 min read