On Tue, Sep 29, 2015 at 7:37 AM, Fred Smith <fredex at fcshome.stoneham.ma.us> wrote: > I'm trying to figure out if the stock kernels for Centos-6 and/or Centos-7 > have ExecShield compiled in, and if so, if it is turned on by default. According to what I've read, Exec Shield is enabled in CentOS-6 and -7 by default. In CentOS-6, you can see it by: sysctl -a | grep -i shield The sysctl command also allows you to disable it. But in CentOS-7 you cannot change it any more. Akemi