Install Flash player 10 debugger verion in Linux

Installing Flash player 10 debugger version in Linux, by running

$sudo ./flashplayer-installer

command, gives following error:

[: 258: closing paren expected
ERROR: Your glibc library is older than 2.3. 
Please update your glibc library.

To fix the problem, make file flashplayer-installer writable and edit it.
Comment the if-else condition in check_glibc() method, as follows:

#    if [ \( $GLIBCMAJOR -ge $MIN_GLIBCMAJOR \) -a \( $GLIBCMINOR -ge $MIN_GLIBCMINOR \) ]; then
echo "valid-glibc"
#    else
#      echo "invalid-glibc"
#    fi

Save the file and run it.