Ceos3c
stefan@ceos3c:~$ cat README.md
AI Workflows That Ship
How I use AI to code, ship products, edit videos and run my own servers. Tested workflows and honest notes from a senior engineer building in public.
- 301tutorials
- 15topics
- since 2016
Fable 5.2 vs Opus 5.5 in Claude Code: Plan With Fable, Build With Opus?
I built the same app 4 ways, plan with Fable, build with Opus, advisor, and measured cost and time.
Fresh from the lab
Latest posts
AI WorkflowsHow to Make AI Videos That Keep the Same Character
One picture, a character sheet, Seedance 2.5. Three prompts, fresh account.
AI WorkflowsClaude Code on WSL2: Install, Speed Up, and Fix the Common Errors
Install it with one command, keep projects off /mnt/c, turn on the sandbox, and fix login, PATH, Node and IDE errors.
Pick a topic
All Topics- $ cd ~/aiAI Workflows
Claude Code, MCP and AI coding workflows I use to ship my own products. Tested setups, real prompts and the parts that broke.
13 posts - $ cd ~/linuxLinux
Linux guides that explain what's going on: processes, memory, systemd, permissions, shell scripting and real error fixes.
75 posts - $ cd ~/securityCyber Security
Ethical hacking, Kali Linux, Metasploit, Nmap and bug bounty guides, written since 2016 and still updated. Beginner friendly.
55 posts - $ cd ~/web-developmentWeb Development
Web development tutorials: VS Code, Node, React, Next.js, Tailwind, JavaScript and TypeScript, explained step by step.
48 posts - $ cd ~/self-hostingSelf-Hosting
Self-hosting guides: VPS setups, NAS builds, Nextcloud, Plex, monitoring and backups on servers you control.
18 posts - $ cd ~/sysadminSysAdmin
Classic sysadmin guides: Windows Server, Group Policy, FOG imaging, UniFi and monitoring. Older, still used.
35 posts - $ cd ~/pythonPython
Python for beginners, one concept at a time: syntax, variables, lists, strings and exercises to practice with.
26 posts - $ cd ~/pfsensepfSense
pfSense guides for home labs and small offices: site-to-site VPN, OpenVPN, multi-WAN, DMZ, DNS and firewall rules.
18 posts - $ cd ~/indie-makingIndie Making
Building and selling my own products in public: launches, pricing, distribution, social proof and real revenue numbers.
12 posts
Latest
Older posts- #AI Workflows
Claude Code settings.local.json Secrets: Audit Your Repos, Rotate, and Stop the Leak
Check every repo and its git history with one script, rotate what leaked, and block the file from commits.
5 min - #Cyber Security
Critical Vulnerabilities October 2026: The Black October Patch List
PHP2Shell, Broccoli2Shell, Plex2Shell, GitLab and more. What’s exploited, fixed versions and check commands.
13 min - #Web Development
React Server Components Vulnerability: How to Fix the RCE
The React Server Components vulnerability from October 2026 allows remote code execution. Check if you’re affected and patch React or Next.js.
5 min - #Linux
sudo-rs Ubuntu 26.04: Fix the Errors or Switch Back to sudo
Wildcards are not allowed, unknown setting requiretty, Ansible timeouts. The fixes and the safe switch back.
7 min - #AI Workflows
Claude Code Plan Mode vs One-Shot: Same App, 5 Ways
I built the same app 5 ways and measured cost and time from the logs. Sonnet one-shot won.
10 min - #AI Workflows
Herdr: Run Claude Code Agents on Every Machine You Own
Install, the shortcuts that matter, four Claude Code agents in parallel worktrees, and Mac, Linux and Windows (WSL2) in one Herdr.
8 min - #AI Workflows
Higgsfield MCP: AI B-Roll in a Claude Code Video Pipeline
A shot plan from the transcript, stills first, Seedance 2.5 clips, a HyperFrames cut and 840 credits.
6 min
Hi, I’m Stefan Rows
I started Ceos3c in 2016 and still write every guide by testing it on my own machines first. These days I build products with AI agents and share the workflows here.
- ProofSwap Testimonial swaps for indie makers
- xpmetric Cookieless web analytics
- EasyEarningsTracker Income tracking for creators