There is not too much tips you need know for installing WPS 6.1
On linux environment, there are several thing need to be done before you install.
1 You need root permission to install.
2 You need increase file access limit.
sudo echo "@users soft nofile 10240" >> /etc/security/limits.conf
sudo echo "@users hard nofils 65536"
>> /etc/security/limits.conf
3 You need set up your full domain name for portal host
sudo echo "192.168.100.101 portal.topdigi.com"
>> /etc/hosts
4 After installation is done, you would like give no-root user to have access to running websphere portal.
Create a group names wpsadmins, assign ownships of opt/IBM, /tmp, /var/tmp to this group, add any user you want tohave access to WPS to this goup.
groupadd -g wpsadmins
chgrp -R wpsadmins /opt/IBM
chmod -R g+wr /opt/IBM
chgrp -R wpsadmins /tmp
chmod -R g+wr /tmp
chgrp -R wpsadmins /var/tmp
chmod -R g+wr /var/tmp