Install leptonica:
http://www.leptonica.com/source/leptonica-1.68.tar.gz
tar xvfz leptonica-1.68.tar.gz
./configure
make
sudo make install
sudo ldconfig
Install swftools
Install OpenKM
cd /opt
wget http://downloads.sourceforge.net/project/openkm/5.1/OpenKM-5.1.7_JBoss-4.2.3.GA.zip
tar xvfz OpenKM-5.1.7_JBoss-4.2.3.GA.zip
Modify OpenKM.cfg
#system.ocr=/usr/bin/cuneiform
system.ocr=/usr/local/bin/tesseract
#system.openoffice.path=/usr/lib/openoffice
system.openoffice.path=/usr/lib/openoffice
#system.imagemagick.convert=/usr/bin/convert
system.imagemagick.convert=/usr/bin/convert
#system.swftools.pdf2swf=/usr/bin/pdf2swf
system.swftools.pdf2swf=/usr/local/bin/pdf2swf
#system.antivir=/usr/bin/clamscan
system.antivir=/usr/bin/clamscan
hibernate.dialect=org.hibernate.dialect.HSQLDialect
hibernate.hbm2ddl=create
#application.url=http://localhost:8080/OpenKM/com.openkm.frontend.Main/index.jsp