This server can't access Internet. We have to download source tarball (redis-2.8.2.tar.gz) and build from source.
tar xf redis-2.8.2.tar.gz
cd redis-2.8.2
// if you run "sudo make install" directly,
// it gives a "zmalloc.h:50:31: error: jemalloc/jemalloc.h: No such file or directory" error.
cd deps
sudo make hiredis jemalloc linenoise lua
cd ..
sudo make install
Ref: jemalloc and other errors making redis on centos 6.4