RAC Attack - Oracle Cluster Database at Home/RAC Attack 12c/Prepare Linux for Oracle

  Modify the pam.d login file to use limits. 

sed -i -e '/session   required     pam_selinux.so open/i\ session   required     \/lib64\/security\/pam_limits.so\ session   required     pam_limits.so' /etc/pam.d/login

 Change the password for the oracle user to racattack. 

[root@collabn1 ~]# passwd oracle Changing password for user oracle. New password: BAD PASSWORD: it is based on a dictionary word Retype new password: passwd: all authentication tokens updated successfully.

 Create and change the ownership of the directories for Clusterware and the Database installations. 

[root@collabn1 ~]# mkdir -p /u01/app [root@collabn1 ~]# chown oracle:oinstall /u01/app

 Modify the oracle user so that it belongs to the vboxsf group. 

[root@collabn1 ~]# usermod -G oinstall,dba,vboxsf oracle [root@collabn1 ~]# id oracle uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall),54322(dba),54323(vboxsf) 