1- Get the file
Download the opera 11.64 (32 bits) (http://www.opera.com/browser/download/?os=linux-i386&ver=11.64&local=y),
2- installation
tar -xvjpf opera-11.64-1403.i386.linux.tar.bz2
3- running
cd opera-11.64-1403.i386.linux; ./install
Warning:
The last version of opera (12.12) cannot be installed/executed on CentOS 5.8/5.9, because it is needed the GLIBC_2.8 installed.
GLIBC_2.5-107 is installed on CentOS 5.8.
