Exposing services in/out Podman containers
Published:
Some more tips for interacting with the namespaces of Podman containers.
OpenSSH tunneling guide
“Welcome to the Warp Zone!”
Published:
This post is an overview of the different tunneling options available in OpenSSH. This is inteded as a reference to use when I am explaining (every so often) how to use SSH for tunneling.
Using a Kap&Link smart card reader with CPS3 smart cards on Linux
Published:
Tutorial on how to get Carte Professionnel de Santé 3 (CPS3) smart cards work with Firefox under Linux with a Kap&Link smart card reader. It has some information to understand the related lingo, how the different components interact and how you might try to enable support for a PC/SC (Personal computer/Smart Card) / CCID (Chip/Smart Card Interface Devices) smart card reader which is not supported by the driver.
Entering in Podman containers
Published:
Some commands for interacting with the namespaces of Podman containers.
TUN/TAP interface (on Linux)
Published:
Some notes about using the TUN/TAP interface, especially on Linux.
ELF loading and dynamic linking
Published:
Some notes on ELF 🧝 loading and dynamic linking mainly for GNU userland
(ld.so, libc, libdl) running on top of the Linux kernel. Some
prior knowlegde on the topic (virtual memory, shared objects,
sections) might be useful to understand this.
Better isolation for SimGridMC
Published:
In an attempt to simplify the development around the SimGrid model-checker, we were thinking about moving the model-checker out in a different process. Another different approach would be to use a dynamic-linker isolation of the different components of the process. Here is a summary of the goals, problems and design issues surrounding these topics.
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