Adding users
How to create additional user accounts, either manually or with Butane configs.
Host Configuration
Configure users, environment variables, kernel modules, and other host settings.
Configuring date and time zone
How to configure date, timezone and time synchronization.
Using systemd drop-in units
How to customize the running system by using drop-in units.
Scheduling tasks with systemd timers
How to schedule recurring tasks with systemd timers.
Using environment variables in systemd units
How to configure and use environment variables in systemd units.
Kernel modules and other settings
How to configure kernel modules, sysctl parameters, and other common Flatcar settings.
Using NVIDIA GPUs on Flatcar
How to use and customize the NVIDIA driver on Flatcar
Tuning Flatcar Container Linux power management
How to choose the CPU governor to use.