/etc/cron.daily/lighttpd is in lighttpd 1.4.45-1ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | #!/bin/sh
# Cleanup lighttpd compress cache
cache=/var/cache/lighttpd
if test -d "$cache/compress"; then
su -s /bin/sh -c "find $cache/compress -type f -atime +30 -print0 | xargs -0 -r rm" www-data
fi
if test -d "$cache/uploads"; then
su -s /bin/sh -c "find $cache/uploads -type f -atime +1 -print0 | xargs -0 -r rm" www-data
fi
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