Hello Donald, We recently added a feature that allows to add kernel parameters at boot time. On RHEL5.4 you probably can use:
#CP IPL <devno> parm s or #CP IPL <devno> parm single To start your system in single user mode. Best Regards Michael On Mon, 2010-07-12 at 09:46 -0700, Donald Russell wrote: > I've inherited a nice little problem.... > > a Red Hat RHEL 5.4 zLinux system fails on boot requiring me to run fsck > manually , and it then prompts for the root password. > > The problem? Nobody knows what the root password is. :-( > > I believe we have the system configured so if it comes up in single user > mode, no password is required. (of course we already logged on to the vm > 3270/3215 console with a password...) > > But... how do I get redhat zLinux to come up in single user mode? Is there a > loadparm I can specify on the #CP IPL xxx command? > > I've also tried #CP VI VMSG 0 1 and get this response: > 00: HCPPCX6531E The operating system will not accept commands from the > service > processor. > > > Thank you > > > --- > Hey! Hey! You! You! Get off of my cloud! > http://news.cnet.com/8301-13578_3-20002423-38.html > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
