Tutorial on The Little Jo’s Blog

First Contact with Tetragon

Thu, 02 Apr 2026 05:55:04 +0200

Let’s meet Tetragon

Mon, 24 Nov 2025 10:40:47 +0100

Let’s see how to load-balance a ping with XDP

Mon, 24 Nov 2025 10:38:22 +0100

Let’s see how to mitigate denial-of-service attacks with XDP.

Wed, 29 Oct 2025 10:50:22 +0100

Let’s see how to block traffic based on various criteria (MAC address, IP, protocol, port, etc.).

Thu, 16 Oct 2025 12:48:45 +0200

An introduction to XDP with Aya

Tue, 23 Sep 2025 09:15:09 +0200

Let’s profile a small program with eBPF uProbes and uRetProbes in Aya

Tue, 23 Sep 2025 09:14:35 +0200

Let’s probe the function execve in libc using eBPF uProbe with Aya

Mon, 15 Sep 2025 10:36:04 +0200

Let’s observe a small Go program using uProbes and uRetProbes with Aya

Mon, 08 Sep 2025 10:37:55 +0200

An introduction to eBPF uProbes and uRetProbes with Aya