SUNScholar/Prepare Ubuntu/S08

 NEXT - STEP 9

Step 8. Setup the environment variables

When using the Ubuntu 16.04 LTS server change all instances of tomcat to tomcat8.

When using the Ubuntu 14.04 LTS server change all instances of tomcat to tomcat7.

When using the Ubuntu 12.04 LTS server change all instances of tomcat to tomcat6.

To setup the environment variables for other java applications (such as the Handle and SOLR servers), type the following:

sudo nano /etc/environment

Copy and paste the following to the bottom of the file.

JAVA_HOME="/usr/lib/jvm/default-java"
JAVA_OPTS="-Djava.awt.headless=true -Xmx1024m -Xms512m -Dfile.encoding=UTF-8"

CTL+O	= Save the file and then press Enter
CTL+X	= Exit "nano"
CTL+K	= Delete line
CTL+U	= Undelete line
CTL+W	= Search for %%string%%
CTL+\	= Search for %%string%% and replace with $$string$$
CTL+C	= Show line numbers

Open the following file as follows:

sudo nano /etc/security/limits.conf

Add the following to the bottom of the file:

*            hard       nofile          65536
*            soft       nofile          65536

CTL+O	= Save the file and then press Enter
CTL+X	= Exit "nano"
CTL+K	= Delete line
CTL+U	= Undelete line
CTL+W	= Search for %%string%%
CTL+\	= Search for %%string%% and replace with $$string$$
CTL+C	= Show line numbers

Make sure to check the files open parameter with the next computer reboot by typing the following as the root user:

ulimit -n

nano $HOME/.bashrc

Add the following to the bottom of the file

umask 002

CTL+O	= Save the file and then press Enter
CTL+X	= Exit "nano"
CTL+K	= Delete line
CTL+U	= Undelete line
CTL+W	= Search for %%string%%
CTL+\	= Search for %%string%% and replace with $$string$$
CTL+C	= Show line numbers