On 2015/03 updated t1, t2, t1hilo to centos 6.7 ( from centos 6.6), 
from: 2.6.32-504.12.2.el6.i686
  to: 2.6.32-573.3.1.el6.i686

1. Yum update

  vi /etc/rc.local      // comment out pmac driver
  yum update
  reboot

  yum clean all

2. Recompile/install new TCS to /home/to

  Recomile & install new TCS binaries to /home/to.

  vi /etc/rc.local      // comment IN pmac driver
  reboot
  start the TCS

  reinstall t3remote.

3. also..

  sycn home duke, t2
  /irtf.backup