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ssh: add random feeding code openssh usually depends on /dev/urandom to seeding PRNG (pseudo-random number generator). To ensure there's sufficient entropy just feed /dev/urandom with saved /var/lib/random-seed which is saved in installing phase. dracut_install will print error message, so just exit and do not print error again. Todo: other dracut_install fail and exit, such as dd, makedumpfile. [v2->v3]: use [[:blank:]] for whitespace checking. Signed-off-by: Dave Young <dyoung@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com>