add /tmp directory cleanup to run every day

setup-scripts/setup.sh

@@ -71,6 +71,10 @@ sudo mkdir -p /var/log/journal
 sudo cp journald.conf /etc/systemd/journald.conf
 sudo systemctl restart systemd-journald
 
+# Setup periodical /tmp cleanup so we don't run out of disk space
+# - deletes anything older than 10 days from /tmp, crontab is set to run it every day at midnight
+(sudo crontab -l 2>/dev/null; echo "0 0 * * * find /tmp -type f -atime +10 -delete >/dev/null 2>&1") | sudo crontab -
+
 # Setup skynet frontend.
 cd ..
 yarn