Linux

Linux things

Rotate Linux FB terminal

Embedded Linux By · June 21, 2023 · 0 Comment
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Configuring WIFI with nmcli

DevOps By · June 14, 2023 · 0 Comment
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Qemu Tips&Tricks

DevOps By · June 13, 2023 · 0 Comment
Running binaries from other platform Linux via Qemu supports the ability to introspect platform (arch) from the binaries and thenautomatically to run them via registered emulator. The whole process is involved, but thankfully, using the docker-images whole process is streamlined... Read more

Bitbake Example Recipes

DevOps By · June 12, 2023 · 0 Comment
Single File C Recipe meta-newlayer/recipes-example/example/example_0.1.bb: meta-newlayer/recipes-example/example/files/example.c: Setting-up New Recipe using devtool DevTool is a tool shipped by Yocto used to help with many operations. One of such operations is creating a Recipe from git repository. To register a repository we... Read more

Building crosstool-ng on CentOS-7

DevOps By · June 7, 2023 · 0 Comment
Crosstool-ng is a project that simplifies building of c/c++ toolchains for many hosts/targets. For this particular project vendor only provided cygwin build, but I had to run the compiler on linux. As toolchain was build using crosstool-ng-1.13.1, I simply check-outed... Read more

Bitbake – reusing work

Embedded Linux By · June 14, 2022 · 0 Comment
To manage complexity Bitbake supports various constructs for writing generic reusable components and using these components in user scripts. This constructs are the core of the Yocto build system and we need to become more familiar with them. Basic building... Read more

Yocto Bitbake variable syntax

Embedded Linux By · June 14, 2022 · 0 Comment
One of the main things that one must do when working with Yocto is to became comfortable with Bitbake variable syntax. Here we will go through all most commonly used syntax concepts. Assigning variable Basic Variable Setting This assignment occurs... Read more

Enable i2c tracing on Linux

Embedded Linux By · June 10, 2022 · 0 Comment
To inspect traffic between Linux and I2C devices, perform the following steps: Output sample: Read more

Finding out Python stack trace via GDB

Linux By · June 7, 2022 · 0 Comment
When working as a system admin I often had a problem where the python application got stuck but was unsure where. To handle this case I created a GDB script that retrieved that backtrace. These scripts refere to older versions... Read more