Oracle 10/11 install on Centos 7

For 10.2.0.1:

If you get error
“Error in invoking target 'collector' of makefile '/orasw/app/oracle/product/10.2.0/sysman/lib/ins_emdb.mk'” at 83% can be ignored (Metalink 957982.1)

For 11.2.0.4:

If you get the following error:

PRVF-7532 : Package "pdksh" is missing on node "Hostname"
You can install ksh package (yum install ksh)then safely ignore it and  continue.

When getting error “Error in invoking target 'agent nmhs' of makefile '/orasw/app/oracle/product/11.2.0/sysman/lib/ins_emagent.mk'.”

vi $ORACLE_HOME/sysman/lib/ins_emagent.mk
Search for the line
$(MK_EMAGENT_NMECTL)
Change it to:
$(MK_EMAGENT_NMECTL) -lnnz11

And retry.

RAC: ORA-01410: invalid ROWID

Can try flushing the cache:
alter system flush buffer_cache;

ORA-03114 and ORA-03137

Oracle Version: 11.2.0.1
Client sessions disconnected due to error "ORA-03114: Not Connected to Oracle".
In Alert log ORA-03137 is detected: "ORA-03137: TTC protocol internal error : [12333] [8] [57] [48] [] [] [] [] ".