When installing Oracle database 11G release 2 on a Ubuntu Linux you can come accross some mem related parameters which you have to set correctly.
Most likely those will be:
The Oracle database installer will check those and expects certain values for those parameteres.
- rmem_default = 262144
- rmem_max = 4194304
- wmem_default = 262144
- wmem_max = 1048576
To set those parameters in such a way that it will stay after a reboot you will have to make some changes to the file /etc/sysctl.conf . You will have to add the following:
after you have added those lines you can activate them without a reboot by executing the following command:
sysctl -p /etc/sysctl.conf
After this your database should be able to install.