Limit the maximum amount of pastebin content

beaglebone.txt

@@ -6607,8 +6607,11 @@ cd /tmp
 git clone https://github.com/sametmax/0bin.git
 cd 0bin
 python setup.py install
+chown -R zerobin:zerobin /usr/local/lib/python2.7/dist-packages/zerobin-0.4.1-py2.7.egg/zerobin/static
 #+END_SRC
 
+For the /chown/ command you may need to change the directory name within /dist-packages/, depending upon the version number of [[https://github.com/sametmax/0bin][0bin]].
+
 Now create the daemon.
 
 #+BEGIN_SRC: bash
@@ -6718,7 +6721,41 @@ The encryption used here is really just intended to provide you with plausible d
 service apache2 restart
 #+END_SRC
 
-You can now visit your new site and paste things for others to see, and vice versa.  Uploads are limited to 256K in size to prevent your storage space from being used up.
+You can now visit your new site and paste things for others to see, and vice versa.  Uploads are limited to 256K in size to prevent your storage space from being used up.  You can further limit the maximum amount of storage space by doing the following:
+
+#+BEGIN_SRC: bash
+editor /usr/bin/zerobinupdate
+#+END_SRC
+
+Add the following:
+
+#+BEGIN_SRC: bash
+#!/bin/bash
+
+CONTENT=/usr/local/lib/python2.7/dist-packages/zerobin-0.4.1-py2.7.egg/zerobin/static/content
+
+# Exit if there is no content directory
+if [[ ! -d $CONTENT ]]; then
+	exit
+fi
+
+LOG=/home/zerobin/zerobin.log
+CHECK=`du -hs $CONTENT`
+regex="([0-9]+)G"
+
+if [[ $CHECK =~ $regex && ${BASH_REMATCH[1]} -gt 1 ]]; then
+    echo "Directory size limit exceeded - removing zerobin content" >> $LOG
+    rm -rf $CONTENT/*
+fi
+#+END_SRC
+
+Save and exit.
+
+#+BEGIN_SRC: bash
+chmod +x /usr/bin/zerobinupdate
+echo "*/5            * *   *   *   root /usr/bin/timeout 120 /usr/bin/zerobinupdate" >> /etc/crontab
+service cron restart
+#+END_SRC
 
 ** Install Tripwire