Show basic system info
The server can run a basic bash script via cron every X min. The data gathered are recorded in a CSV file which look like this
CURRENT_DATE;LAST_BOOT_DATE;LAST_BOOT_TIME;UPTIME_DAYS;UPTIME_HOURS;UPTIME_MINUTES;LOAD_1;LOAD_2;LOAD_3;CPU_USAGE;MEM_USED;SWAP_USED;BAT_STATUS;BAT_PRESENT;BAT_HEALTH;BAT_VOLTAGE_NOW;BAT_CURRENT_NOW;BAT_CAPACITY
We could build a basic system info page that will fetch the data from the CSV file.
Let's see how fare we can go and if possible we could have a graphic display of the battery discharge, swap used, load, etc.