Thank you Ross, To answer my own question on "1. how to change the default password of root?" - remove "debug-tweaks" and do as it is described in "https://wiki.yoctoproject.org/wiki/FAQ:How_do_I_set_or_change_the_root_password"
Ref: https://wiki.yoctoproject.org/wiki/FAQ:How_do_I_set_or_change_the_root_password http://bec-systems.com/site/967/setting-the-root-password-in-an-openembedded-image https://lists.yoctoproject.org/pipermail/poky/2013-August/009098.html http://gumstix.8.x6.nabble.com/Duovero-EXTRA-IMAGE-FEATURES-tools-sdk-password-td4968867.html ISS On Tue, Jun 17, 2014 at 1:54 PM, Burton, Ross <ross.bur...@intel.com> wrote: > On 17 June 2014 21:23, Insop Song <insop.s...@gmail.com> wrote: >> 2. how to block shell access but to open for debugging access >> For this, I could think of that we could block ssh access and only open >> console. >> Or opening ssh for a hidden port only. > > The Raumfeld multi-room audio system has a neat solution for this: you > insert a USB stick with a special file to enable the SSH daemon. The > filename is a md5sum, presumably a hash of something along the lines > of "open sesame". This is their magic "root me" button, as root has > no password. > > Ross -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto