# \#farming
**URL:** https://forum.autonomys.xyz/tag/farming/55.md
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## [Change derivation of PoSpace seed (and HDD-compatible exploit)](https://forum.autonomys.xyz/t/change-derivation-of-pospace-seed-and-hdd-compatible-exploit/4438)
**Author:** [@nazar-pc](https://forum.autonomys.xyz/u/nazar-pc)\
**Replies:** 10\
**Last updated:** [October 5, 2024, 6:34am UTC](https://forum.autonomys.xyz/t/change-derivation-of-pospace-seed-and-hdd-compatible-exploit/4438 "2024-10-05T06:34:13Z")
Right now we have the following design and implementation: let sector\_id = SectorId::new(public\_key\_hash, sector\_index); let seed = sector\_id.derive\_evaluation\_seed(piece\_offset, history\_size); However, the observation…
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## [Bumping Linux kernel requirements](https://forum.autonomys.xyz/t/bumping-linux-kernel-requirements/2032)
**Author:** [@nazar-pc](https://forum.autonomys.xyz/u/nazar-pc)\
**Replies:** 6\
**Last updated:** [October 17, 2023, 10:55am UTC](https://forum.autonomys.xyz/t/bumping-linux-kernel-requirements/2032 "2023-10-17T10:55:53Z")
Question primarily to those who run farmer on Linux, would it be a big problem for you if kernel upgrade would be required? Specifically Ubuntu 20.04’s default kernel is too old and doesn’t support some of the features …
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## [Large Farm Optimizations](https://forum.autonomys.xyz/t/large-farm-optimizations/1654)
**Author:** [@Wezl](https://forum.autonomys.xyz/u/Wezl)\
**Replies:** 1\
**Last updated:** [August 31, 2023, 4:34pm UTC](https://forum.autonomys.xyz/t/large-farm-optimizations/1654 "2023-08-31T16:34:49Z")
This is a follow-up to a post I made in the general-chat channel on discord earlier today. While the minimum system requirements are very clear, it is not clear how to scale up a large farm. Based on my personal experi…