Ok I tried signing a module... Did not work. + openssl req -new -x509 -newkey rsa:2048 -keyout MOK.priv -outform DER -out MOK.der -nodes -days 36500 -subj '/CN=dahdi Modules/' Generating a 2048 bit RSA private key ......................................+++ ..............................................................................+++ writing new private key to 'MOK.priv' ----- ++ uname -r ++ modinfo -n dahdi + /usr/src/kernels/3.10.0-1062.12.1.el7.x86_64/scripts/sign-file sha256 ./MOK.priv ./MOK.der /lib/modules/3.10.0-1062.12.1.el7.x86_64/dahdi/dahdi.ko service dahdi restart Restarting dahdi (via systemctl): Job for dahdi.service failed because the control process exited with error code. See "systemctl status dahdi.service" and "journalctl -xe" for details. [FAILED] Mar 16 16:20:12 dahdi[12787]: Loading DAHDI hardware modules: Mar 16 16:20:12 dahdi[12787]: modprobe: ERROR: could not insert 'dahdi': Required key not available Mar 16 16:20:12 kernel: Request for unknown module key 'dahdi Modules: 3e93f14b19188e27f6dbfaf5ad47474abb9606fc' err -11 Did I miss something ? Jerry _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos