Andreas Schneider Blog

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Sliced bread: git-worktree and bare repo

The git versioning system has two really nice features you might already heard about. One of them is git-worktree and the other are bare git repositories. This makes my life a lot easier working on Samba as often I have several feature branches I’m working on. Some features often take several months to finish. I don’t want to compile them again and again every time...

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Improved cmdline UX in upcoming Samba 4.15

To the newcomer, Samba’s command line user interface appears to be a haphazard jumble of scripts and binaries with options and design principles that fade in and out of use according to some esoteric pattern. Douglas Bagnall The initial quote is from the SambaXP talk What should we do with our user interface? in 2019. Douglas wrote that nobody can fix it as experts are...

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socket_wrapper 1.3.0 and fd-passing

A new version of socket_wrapper has just been released. In short, socket_wrapper is a library passing all socket communications through unix sockets. It aims to help client/server software development teams willing to gain full functional test coverage. It makes possible to run several instances of the full software stack on the same machine and perform locally functional testing of complex network configurations. New in version...

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OpenStreetMap for Garmin Fenix

I’ve recently bought a Garmin Fenix Multisport Smartwatch. The watch offers support for navigation and maps. By default it came with some topo maps for Europe. However I wanted to use more detailed maps from OpenStreetMap. After some search I’ve discovered the wonderful Freizeitkarte project, which is a project to offer maps for Garmin devices. The default maps work OKish on the device. However as...

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AVIF (12/10/8-bit) image support for darktable

As I’m an amateur photographer, I’m using Open Source tools for developing my images. The software I use is called darktable. I think it is the best tool out there for editing RAW images. From time to time I contributed small code changes to darktable, mostly bug fixes. Now I nearly finished my first feature for darktable, support for the AVIF image format. For implementing...

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Samba and GnuTLS

TL;DR SMB3 file transfer with encryption will be 4-6 times faster with Samba 4.12 Samba is getting out of the crypto business GnuTLS >= 3.4.7 required FIPS compliance ahead Introduction More or less since the beginning of Samba, it implemented the cryptography it needed to talk to Windows on its own. One reason is that Windows didn’t follow the standards or used ciphers nobody else...

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cmocka version 1.1.2 released

I’m happy to announce version 1.1.2 of cmocka, a unit testing framework for C with mocking support. ChangeLog Added function to filter tests (cmocka_set_test_filter) Added new mocking example (uptime) Fixed fixture error reporting Fixed compiler flags detection Some improvement for API documentation

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Profiling a camera with darktable-chart

I’ve written an article about “Profiling a camera with darktable-chart” which has been published at pixls.us. The article is about how to get the same color profile of you camera for your raw developing process. If you wonder what darktable is, it is a raw developer software for photographers.

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Using AMD Open Source and the amdgpu-pro OpenCL driver for image processing

I have an AMD grahpics card and use the great Open Source driver which comes with my Linux distribution. However for image processing I want the OpenCL support of my graphics card. Currently that’s only provided by the amdgpu-pro driver. However it is possible to just extract the files needed for OpenCL and use them. Here is how to do this: Go to https://support.amd.com/en-us/download Select...

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Samba 4.7.0 (Samba AD for the Enterprise)

Enterprise distributions like Red Hat or SUSE are required to ship with MIT Kerberos. The reason is that several institutions or governments have a hard requirement for a special Kerberos implementation. It is the reason why the distributions by these vendors (Fedora, RHEL, openSUSE, SLES) only package Samba FS and not the AD component. To get Samba AD into RHEL some day it was clear,...