On 01/09/11 1:34 AM, Ritika Garg wrote: > I have a executable and when i run it then the error comes: > > /lib64/libc.so.6: version 'GLIBC_2.7' not found > > I don't have the source code of the executable. And I can't find glibc > 2.7 for centos 5.5. if you did, you'd likely break all kinds of stuff. that application is linked for a different linux distribution, it is not built for EL5. Linux has very poor binary compatability.