On Sun, Dec 22, 2013 at 2:15 PM, Michael Lampe <lampe at gcsc.uni-frankfurt.de>wrote: > Camron W. Fox wrote: > > > After upgrading from 6.4 to 6.5, our serial console configuration non > > longer work. We have the following upstart file: ... > > According to the comments in /etc/init/serial.conf you shouldn't have a > /etc/init/ttyS0.conf or do anything to /etc/securetty. This is all > handled automatically. You just add 'console=tty0 console=ttySX,YZ' to > the kernel line in grub and that's it. > +1 -- passing serial params to the kernel in grub.conf should be all it takes with the CentOS 6 initscripts In the past I incorrectly configured both and they fought (caused a feedback loop). Tail /var/log/secure and you'll find invalid logins every couple of seconds if you have this type of feedback loop. :) In most of my cases, the feedback loop only seemed to begin when I disconnected from the serial console (Serial over LAN). > > I did it like this a couple of days ago on 6.5. Works as advertised for > me but I have never used a serial console before. > If you want Linux kernel boot output redirected to serial, the grub.conf modifications are necessary. BUT if you just want a getty listening once the machine is fully booted, a separate serial initscript is worthwhile. > > -Michael > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- ---~~.~~--- Mike // SilverTip257 //