http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html
rpm -ivh oracle-instantclient11.2-basic-12.1.0.2.0.x86_64.rpm
rpm -ivh oracle-instantclient11.2-sqlplus-12.1.0.2.0.x86_64.rpm
export ORACLE_HOME=/usr/lib/oracle/12.1/client64
export PATH=$ORACLE_HOME/bin:$PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib
#export LD_LIBRARY_PATH=/usr/lib/oracle/12.1/client64/lib/${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
sqlplus "scott/xxx@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.11.149)(PORT=1521))(CONNECT_DATA=(SID=orcl)))"