solus-project / usysconf

Universal system configuration interface

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usysconf

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Universal system configuration interface for operating systems (i.e. Solus)

usysconf provides a centralised configuration system to replace "package hooks" and post-installation triggers with a reentrant binary, suitable for use in recovery situations. It requires a certain development approach, by throwing away traditional postinstalls, and centralising/minimising the amount of system delta generated during these steps.

The binary replaces the legacy COMAR system in Solus with a single point for all configuration to take place. A simple state file tracks the mtime for interesting file paths, and when those are invalidated triggers are run in response. This allows usysconf to be the final execution step in any package/update operation, and incremently apply trigger steps to the system.

Lastly, a CLI interface is provided allowing users to forcibly run well known triggers by name (or all) to assist in recovery. This allows users to not worry about the inaccessible triggers of the past, and instead request usysconf run all triggers that need running. Optionally, all triggers can be run, bypassing update time checks:

$ sudo usysconf run -f

usysconf is a Solus project

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Supported triggers

Trigger Description Notes
ldconfig Update dynamic library cache
boot Update boot configuration + kernels Uses clr-boot-manager
qol-assist Register QoL migration Uses qol-assist
depmod Run depmod for each kernel
hwdb Update hardware database
drivers Update graphical driver configuration Uses linux-driver-management
sysusers Update systemd sysusers
tmpfiles Update systemd tmpfiles
systemd-reload Reload systemd configuration
systemd-reexec Re-execute systemd
vbox-restart Restart VirtualBox services Will be replaced with generic service handler
apparmor Compile AppArmor profiles Uses aa-lsm-hook
glib2 Compile glib-schemas
fonts Rebuild font cache
mime Update mimetype database
icon-caches Update icon theme caches
desktop-files Update desktop database
gconf Update GConf schemas
dconf Update dconf database
gtk2-immodules Update GTK2 input module cache
gtk3-immodules Update GTK3 input module cache
mandb Updating manpages database
ssl-certs Update SSL certificate configuration Only uses c_rehash right now
mono-certs Populate Mono certificates Uses cert-sync
openssh Create OpenSSH host key
udev-rules Reload and apply new udev rules Always last to facilitate userspace responses

Special note

The two cert handlers will eventually merge to use a full system trust store that serves normal applications and Mono.

Authors

Copyright © 2017-2018 Solus Project

usysconf is available under the terms of the GPL-2.0 license.

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Universal system configuration interface

License:GNU General Public License v2.0


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