банальный find . -delete
да, пару строк баша и в крон
Удалять при достижении N% заполненности
https://stackoverflow.com/a/5912404/1603055FILESYSTEM=/dev/sda1 # or whatever filesystem to monitor
CAPACITY=95 # delete if FS is over 95% of usage
CACHEDIR=/home/user/lotsa_cache_files/
# Proceed if filesystem capacity is over than the value of CAPACITY (using df POSIX syntax)
# using [ instead of [[ for better error handling.
if [ $(df -P $FILESYSTEM | awk '{ gsub("%",""); capacity = $5 }; END { print capacity }') -gt $CAPACITY ]
then
# lets do some secure removal (if $CACHEDIR is empty or is not a directory find will exit
# with error which is quite safe for missruns.):
find "$CACHEDIR" --maxdepth 1 --type f -exec rm -f {} \;
# remove "maxdepth and type" if you want to do a recursive removal of files and dirs
find "$CACHEDIR" -exec rm -f {} \;
fi
Удалять самые старые файлы
https://superuser.com/a/1003638DIR=/tmp
FREESPACE=1000000
find $DIR -type f | xargs ls -1rt | while read f ; do
if [ `df --output=avail $DIR | tail -1` -ge $FREESPACE ] ; then
break
fi
# rm -f $f
done
Вместе там слепите как-нибудь сами уже
Простой