https://community.hpe.com/t5/operating-system-tru64-unix/ds-20-boot-incorrectly-to-single-user-mode/m-p/3864691#M17697 Ensure that boot_osflags is set to A, and try setting the boot_file to vmunix. Mon, 18 Sep 2006 13:19:15 GMT Ivan Ferreira 2006-09-18T13:19:15Z https://community.hpe.com/t5/operating-system-tru64-unix/ds-20-boot-incorrectly-to-single-user-mode/m-p/3864690#M17696 <BR />I have DS-20 Alpha Server.I had momory 512 1 cpu.I upgrade the cpu to 2 and memory to 1 GB. The next time i boot the server it boot in single user mode.i later reinstalled the True 64 but yet still it doesn't boot to graphic screen.it boot to a hash prompt.From that prompt i see the following instrction.<KERENEL_NAME> optinal_name&gt; <OPTION_1> <OPTION_N> ,lS or quit.<BR />when i type /genvmunix or vmunix it boot to graphical interface.i want it to boot with out me typing any kernel name.So how do i move the kernel to the root disk.<BR /><BR />i have also set the bootdef_dev, osflags and ostype but yet to no avail.</OPTION_N></OPTION_1></KERENEL_NAME> Mon, 18 Sep 2006 11:34:11 GMT https://community.hpe.com/t5/operating-system-tru64-unix/ds-20-boot-incorrectly-to-single-user-mode/m-p/3864690#M17696 Sakui 2006-09-18T11:34:11Z https://community.hpe.com/t5/operating-system-tru64-unix/ds-20-boot-incorrectly-to-single-user-mode/m-p/3864691#M17697 Ensure that boot_osflags is set to A, and try setting the boot_file to vmunix. Mon, 18 Sep 2006 13:19:15 GMT https://community.hpe.com/t5/operating-system-tru64-unix/ds-20-boot-incorrectly-to-single-user-mode/m-p/3864691#M17697 Ivan Ferreira 2006-09-18T13:19:15Z