The Curious Engineer

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Ittavern.com

ittavern.com

Sysadmin doing syadmin stuff

Linux / UnixNetworkingSecurityDevOps / SRE / infrastructure

’22’23’24’25’26
Posts
62 from 15 Nov 2022 to 29 Mar 2026
Posting
now and then (1 in the last year)
Kind
personal blog
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2026 1

  1. Wimage - Hosting Open-Source Image Uploader with Podman and external S3 Storage

2025 4

  1. Switching from Hugo to picopaper
  2. Encryption using SSH Keys with age in Linux
  3. ETag in nginx - Simple Resource Caching
  4. Sending nginx Logs to Loki with Grafana Alloy

2024 12

  1. How to: Cisco ISE backup to SFTP repository with public key authentication
  2. Dummy IP & MAC Addresses for Documentation & Sanitization
  3. Deploying ISSO Commenting System for Static Content using Docker
  4. Generate a Vanity v3 Hidden Service Onion Address with mkp224o
  5. ssh-audit Primer - Audit your SSH Server
  6. mtr - More Detailed Traceroute - Network Troubleshooting
  7. My Personal Backup Strategy - August 2024
  8. iperf3 - User Authentication with Password and RSA Public Keypair
  9. Adding a trash can to Linux with trash-cli
  10. Bandwidth Measurement using netcat on Linux
  11. Getting started with rsync - Comprehensive Guide
  12. Cron Jobs on Linux - Comprehensive Guide with Examples

2023 26

  1. SSH Server Hardening Guide v2
  2. Port Knocking with knockd and Linux - Server Hardening
  3. Getting started with rclone - Data transmission
  4. Getting started with dig - DNS troubleshooting
  5. Getting started with Fail2Ban on Linux
  6. Getting started with netcat on Linux with examples
  7. URL explained - The Fundamentals
  8. Troubleshooting Asking The Right Questions
  9. Create tmux layouts using bash scripts
  10. Getting started with tcpdump
  11. Curl on Linux - Reference Guide
  12. Getting started with nmap scripts
  13. My Offsite Backup - March 2023
  14. Getting started with iperf3 - Network Troubleshooting
  15. ICMP echo requests on Linux and Windows - Reference Guide
  16. Simulate an unreliable network connection with tc and netem on Linux
  17. Detecting Rogue DHCP Server
  18. Basics of the Linux Bash Command History with Examples
  19. Getting started with GNU screen - Beginners Guide
  20. Basics of Power over Ethernet (PoE)
  21. Difference between RSS and Atom
  22. SSH Troubleshooting Guide
  23. Backup Guide - how to secure crucial data
  24. SSH - run script or command at login
  25. Linux - unmount a busy target safely
  26. Visual guide to SSH tunneling and port forwarding

2022 19

  1. Guide to Wireshark display filters
  2. Online Security Guide
  3. My IT EDC tool kit v2212
  4. 10 prompts - 1000 AI generated images - openAI Dall-E
  5. SSH - How to use public key authentication on Linux
  6. Ways to support open-source projects
  7. Getting started with nmap
  8. nginx - simple and native authentication function
  9. Linux - How to work with complex commands
  10. EICAR test file - riskless method to test your antivirus and firewall solution
  11. Linux - connect to a serial port with screen
  12. Podman / Docker - expose port only to the localhost of the host machine
  13. Tmux - reload .tmux.conf configuration file
  14. My use cases for CyberChef
  15. Nginx - simple permanent or temporary redirects
  16. Getting started with tmux
  17. Tmux - synchronize the input of all panes within a window
  18. Nginx - check your public IP
  19. CyberChef - How to remove empty lines