strace -- mein schweizer Taschenmesser zum analysieren, debuggen, monitoren (gpn24)

strace -- mein schweizer Taschenmesser zum analysieren, debuggen, monitoren (gpn24)

Author: CCC media team June 5, 2026 Duration: 1:02:29
System-Probleme aller Art lassen sich mit Strace analysieren. Prozessanläufe in Linux erkennen und verstehen Anwender so viel besser. Strace ist ein wahres Wundertool. Anwender, die es einsetzen erfahren damit viel über die Abläufe und Interna von Linux: Mit Strace beobachten sie einzelne oder mehrere Prozesse zur Laufzeit auf System-Call-Ebene. Damit lassen sich bei vielen Problemen sehr einfach wertvolle Informationen zum Debuggen gewinnnen, etwa welche Konfigurationsdateien Prozesse wirklich lesen oder was die letzte Datei oder Shared Library vor einem Crash war. Bei Performanceproblemen fördert Strace interessante Informationen zu Tage, etwa wie oft Linux einen Systemaufruf ausführt, wie lange der dauert oder wie lange das Programm selbst zwischen den Kernel-Calls arbeitet. Der kompette I/O eines Programm, sei es der Festplatten oder des Netzwerks lässt sich mit Strace elegant protokollieren und später offline analysieren. Experten spielen diese sogar später wieder ein, dank präzieser Timestamps bei Bedarf sogar in "Echtzeit". Der Vortrag soll anregen, viele rätselhafe Unix-Effekte, -Probleme, Programm-Crashes neu mit Strace zu betrachten und damit schneller zu Lösungen und neuen Erkenntnissen zu gelangen. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn24/talk/ZUYXWD/

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Author: Episodes: 100

Chaos Computer Club - recent events feed
Podcast Episodes
Infrastructure Review & Closing (gpn24) [not-audio_url] [/not-audio_url]

Duration: 1:16:35
Große Zahlen und ganz viel WOW Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn24/talk/MTP7YB/
WAF: Wrong Approach Firewall (gpn24) [not-audio_url] [/not-audio_url]

Duration: 1:01:42
Web Application Firewalls (WAFs) for filtering based on HTTP and payload are omnipresent. In this talk an argument will be made that, in many cases, the wrong approach for implementing WAFs is chosen: They are implemente…
Building video games with 20 year old tech (gpn24) [not-audio_url] [/not-audio_url]

Duration: 19:10
The market is full of high-performance graphics APIs like Vulkan and fantastic engines like Unreal and Unity. So, why not use DirectX 9 and a self-built engine instead? ;) In this talk we'll take a quick stroll down memo…
Three Languages, Triple the Confusion (gpn24) [not-audio_url] [/not-audio_url]

Duration: 20:21
This code runs without errors, but still confuses. In this talk, we explore some subtle quirks of C, Python, and Java (and others) that catch even experienced developers off guard. No bugs, no typos - just the language d…
MMO-CHIP: From Microscope to Verilog in an hour (gpn24) [not-audio_url] [/not-audio_url]

Duration: 58:45
Reverse engineering old custom chips from microscope pictures is cool, but oh so painfully slow! Last time I did this (talk at 38C3), I spent two weeks waking up, annotating wires in Inkscape, going to bed, and then drea…
DI.Days as Anarchist Practice/Anarchist Practices for DI.Days (gpn24) [not-audio_url] [/not-audio_url]

Duration: 44:54
Digital Independence Days are a response to the growing monopolization of technology and the recent loss of trust in US-based tech firms after the USA's shift towards authoritarianism. The (communicated) goal is to prote…