discord.sh now displays to console as well by default, and a lot of cleanup

config.example.sh

@@ -1,35 +1,29 @@
 #!/usr/bin/env bash
 
+# used by crons/thermal-*
 # degrees in Celsius which we regard as too high
 THERMAL_ALERT=70
 
+# used by crons/storage-*
 STORAGE_MONITOR=("/")
 
+# used by crons/storage-alert.sh
 # must declare associated array explicitly
 declare -A STORAGE_ALERT
 # storage in GiB
 STORAGE_ALERT=(["/"]=5)
 
-BACKUP_DIRECTORY="/home/ubuntu/data"
-
-# the directory with backups to cleanup
-PRUNE_DIRECTORY="/home/ubuntu/data"
-
-# what type of backups to cleanup (what to find) "*.zip" etc, or "<DIR>"
-PRUNE_TYPE="<DIR>"
-
-# when set to 0, all backups are kept
-PRUNE_DOWN_TO=0
-
-SERVER_DOMAIN="localhost"
+# used by cloudflare.sh, discord.sh
+SERVER_DOMAIN=$(cat /etc/hostname)
 
+# used by cloudflare.sh
+# default is to only update dns records which have the comment "managed by <SERVER-HOSTNAME>"
 CLOUDFLARE_TOKEN="<API_TOKEN DNS:Read, DNS:Edit>"
 CLOUDFLARE_ZONE="<ZONE_ID>"
 CLOUDFLARE_FILTER_PREFIX="comment.contains=managed+by+$SERVER_DOMAIN&"
 
-DISCORD_SERVER_NAME="<YOUR_SERVER>"
-
-DISCORD_TITLE_SUFFIX="$DISCORD_SERVER_NAME"
-
+# used by discord.sh
+DISCORD_SERVER_NAME="$SERVER_DOMAIN"
+DISCORD_TITLE_SUFFIX="· $DISCORD_SERVER_NAME"
 DISCORD_GENERAL_HOOK="<WEBHOOK_URL_HERE>?wait=true"