The 27-year-old, who had fallen behind Ben Alnwick in the pecking order at London Road, links up with the Iron on a one-month deal.
Oleknik made 57 appearances in all competitions for Peterborough last season, while he has also had spells at Falkirk and Torquay United since leaving Aston Villa in 2007.
Scunthorpe take on Fleetwood Town in League One tonight.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Scunthorpe UnitedScunthorpe | 9 | 6 | 2 | 1 | 14 | 3 | 11 | 20 |
| 2 | Chester FCChester | 9 | 5 | 2 | 2 | 14 | 10 | 4 | 17 |
| 3 | 9 | 5 | 2 | 2 | 11 | 8 | 3 | 17 | |
| 4 | Chorley | 9 | 4 | 4 | 1 | 17 | 11 | 6 | 16 |
| 5 | Alfreton TownAlfreton | 9 | 4 | 4 | 1 | 14 | 9 | 5 | 16 |
| 6 | Leamington FCLeamington | 9 | 4 | 3 | 2 | 14 | 9 | 5 | 15 |
| 7 | Scarborough AthleticScarborough Ath | 9 | 4 | 3 | 2 | 15 | 11 | 4 | 15 |
| 8 | Hereford UnitedHereford | 9 | 3 | 5 | 1 | 14 | 8 | 6 | 14 |
| 9 | King's Lynn TownKing's Lynn | 9 | 4 | 2 | 3 | 9 | 10 | -1 | 14 |
| 10 | Kidderminster HarriersKidderminster | 9 | 4 | 1 | 4 | 13 | 9 | 4 | 13 |
| 11 | Farsley CelticFarsley Celtic | 9 | 4 | 1 | 4 | 13 | 11 | 2 | 13 |
| 12 | Darlington | 9 | 3 | 4 | 2 | 8 | 6 | 2 | 13 |
| 13 | Brackley Town | 9 | 4 | 1 | 4 | 11 | 10 | 1 | 13 |
| 14 | South Shields | 9 | 4 | 1 | 4 | 13 | 14 | -1 | 13 |
| 15 | Spennymoor TownSpennymoor | 9 | 3 | 3 | 3 | 14 | 11 | 3 | 12 |
| 16 | Buxton | 8 | 4 | 0 | 4 | 11 | 9 | 2 | 12 |
| 17 | Peterborough SportsP'boro Sports | 9 | 3 | 2 | 4 | 8 | 11 | -3 | 11 |
| 18 | SouthportSouthport | 9 | 3 | 2 | 4 | 13 | 20 | -7 | 11 |
| 19 | Warrington Town | 9 | 2 | 3 | 4 | 10 | 13 | -3 | 9 |
| 20 | Needham Market | 9 | 2 | 1 | 6 | 5 | 14 | -9 | 7 |
| 21 | Rushall Olympic | 9 | 2 | 0 | 7 | 10 | 17 | -7 | 6 |
| 22 | Marine AFC | 9 | 1 | 3 | 5 | 3 | 12 | -9 | 6 |
| 23 | Oxford CityOxford City | 9 | 1 | 3 | 5 | 11 | 21 | -10 | 6 |
| 24 | RadcliffeRadcliffe | 8 | 0 | 4 | 4 | 12 | 20 | -8 | 4 |
| > National League North Full Table | |||||||||
