How to connect to asmcmd

[oracle@ertugrula ~] asmcmd
Connected to an idle instance.
ASMCMD>;

Ozaman   

[oracle@ertugrula ~] export ORACLE_HOME=/u01/app/oracle/product/11.2.0/grid
[oracle@ertugrula ~] export PATH=/u01/app/oracle/product/11.2.0/grid/bin:$PATH

And now change the ORACLE_SID and run asmcmd again
   
[oracle@ertugrula ~] export ORACLE_SID=+ASM

[oracle@ertugrula ~] asmcmd -p

ASMCMD [+] >