Neb. Rev. Stat. § 25-1529: Neb. Rev. Stat. § 25-1529

Lands and tenements taken in execution shall not be sold until the officer causes public notice of the time and place of sale to be given. The notice shall be given by publication once each week for four successive weeks in some newspaper printed in the county, or, in case no newspaper be printed in the county, in some newspaper in general circulation therein, and by posting a notice on the courthouse door, and in five other public places in the county, two of which shall be in the precinct where such lands and tenements lie. All sales made without such notice shall be set aside on motion, by the court to which the execution is returnable.