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/etc/sudoers.d/ledmatrix_web was written by two copies of the same allow-list: a heredoc in first_time_install.sh Step 10 and a block of echo lines in scripts/install/configure_web_sudo.sh. They drifted before (safe_pip_install.sh was granted by one only), and a test existed just to catch that. Both now call web_sudoers_rules() from the new scripts/install/lib_sudoers.sh and keep their own validate (visudo -c), install and confirm flows. - first_time_install.sh output is byte-for-byte unchanged, so a device re-running the installer gets "already up to date". If the library is missing, Step 10 keeps the installed file and carries on, the same way it handles rules that fail visudo (an empty file would pass visudo). - configure_web_sudo.sh now writes the installer's layout: same 18 rules, different comments and order. It still leaves out reboot, poweroff and journalctl when they are missing; the library does that for both. The drift test now pins the generator's grants, checks that neither installer writes rules of its own, and runs each installer's call line to check the argument order. Tests that read the rule text now read the library. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Installation Scripts
This directory contains scripts for installing and configuring the LEDMatrix system.
Scripts
one-shot-install.sh- Single-command installer; clones the repo, checks prerequisites, then runsfirst_time_install.sh. Invoked viacurl ... | bashfrom the project root README.install_service.sh- Installs, enables and starts the display service (ledmatrix.service), the web interface service (ledmatrix-web.service) and the update-verify units (systemd)install_web_service.sh- Installs only the web interface service and the update-verify units (systemd)install_wifi_monitor.sh- Installs the WiFi monitor daemon servicesetup_cache.sh- Sets up persistent cache directory with proper permissionsconfigure_web_sudo.sh- Configures passwordless sudo access for web interface actionsconfigure_wifi_permissions.sh- Grants the web interface's user (the user who runs the script, i.e. the one you installed LEDMatrix as; there is noledmatrixsystem user) the passwordlessnmcliand related WiFi permissions the web interface needs
Usage
These scripts are typically called by first_time_install.sh in the
project root (which itself is invoked by one-shot-install.sh), but
can also be run individually if needed.
Note: Most installation scripts require sudo privileges to install systemd services and configure system settings.