I checked  the  install.log 
------------------------------------
Ubuntu 12.04 x86  openlitespeed- 1.4.3 
Admin SSL disabled!  not  found
Cannot  login  the  CP
-------------------------------------------
Debian 7 x86  openlitespeed-1.4.3
Admin SSL enabled!
./install.sh: 1054: ./install.sh: source: not found
----------------------------------------------------------
Debian 7 x86  openlitespeed-1.3.7
Admin SSL enabled!
./install.sh: 1052: ./install.sh: source: not found
--------------------------------------------------------------
Debian 7 x86  openlitespeed-1.3.7
Admin SSL enabled!
./install.sh: 1052: ./install.sh: source: not found
---------------------------------------------------------------
Ubuntu 14.04  openlitespeed-1.4.3
Admin SSL enabled!
./install.sh: 1054: ./install.sh: source: not found
---------------------------------------------------------------
Debian 7 x86  openlitespeed-1.4.3
Admin SSL enabled!
 not found
--------------------------------------------------------------
I donnot  know  why, but  only one  not  work,  others  all  works.