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First of all alter the system or edit the parameter file for this entry Alter system set resource_limit = true After that create a profile with the required options Assign these profiles to the users whoever you want to restrict Create profile test_profile Limit session_per_user 2 idle_time 2 ; Assign this profile to users Alter user scott Profile test_profile;

Swap space configuration Between 513 MB and 2048 MB 1.5 times the size of RAM Between 2049 MB and 8192 MB Equal to the size of RAM check swap space # grep SwapTotal /proc/meminfo check free memory free Disk Space Requirements Between 150 and 200 MB of disk space the /tmp directory df -k /tmp (this will give in kb if you want in larger size give -h) Maximum space requirement for enterprise installation 1.5 GB Checking the Software Requirements Operating system Requirements Red Hat Enterprise Linux 5.0 Determining distribution and version of Linux # cat /etc/issue For installation purpose edit the following file to make the release as 4 Even though oracle 10g is certified on 5 oracle is recommending changing this to 4 to pass the os checking (oracle release notes for 10g on linux) On Oracle Enterprise Linux 5 and Red Hat Enterprise Linux 5, the installation passes the operating system prerequisite checks if you change each 5 to 4 in the /etc/redhat-release file. Ensur