= Opal HowTo Install Tags: [[HowTo]] [[Opal]] See: [[http://wiki.obiba.org/display/OPALDOC/Opal+Installation+Guide]] == Process We followed the `Installation of Opal Zip distribution` instructions that installed Opal from a zip file. 1. Download Opal distribution into the `/local/` directory 1. Unzip the Opal distribution. Note that the zip file contains a root directory named `opal-server-{version}`. 1. Create an Opal home directory (to facilitate subsequent upgrades) using the command `mkdir opal-home`. 1. Create a symbolic link to the Opal server directory, using the command `ln -s opal-server-{version} opal_server` 1. Copy the `conf` directory from the server directory into the home directory, using the command `cp -r opal-server/conf opal-home`. 1. Create a script called `start_opal.sh` in the `/local/` directory containing the following: {{{ #!/usr/bin/env bash echo "Starting Opal" export JAVA_OPTS="-Xmx2G -XX:-UseCompressedClassPointers" export OPAL_HOME="/local/opal-home" /local/opal-server/bin/opal echo "Ended" }}} The java options are: -Xmx2G:: increase the memory allocated to Java to 2GB -XX:-UseCompressedClassPointers:: Do not compress class pointers (because Opal creates too many classes?) == Permission Changes for wwwrun 1. `setfacl -R -m u:wwwrun:rwx /local/opal-home` - unconfirmed 1. [[BackLinks]]