# Freefem 4.5 installation on Linux-based cluster (not a sudoer)

**URL:** <https://community.freefem.org/t/freefem-4-5-installation-on-linux-based-cluster-not-a-sudoer/1723>\
**Category:** FreeFEM installation\
**Created:** [May 6, 2022, 3:37pm UTC](https://community.freefem.org/t/freefem-4-5-installation-on-linux-based-cluster-not-a-sudoer/1723 "2022-05-06T15:37:49Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)\
**Post date:** [May 7, 2022, 6:09am UTC](https://community.freefem.org/t/freefem-4-5-installation-on-linux-based-cluster-not-a-sudoer/1723/6 "2022-05-07T06:09:24Z")

</div>

I believe this is the same problem as in [Install FreeFem on cluster](https://community.freefem.org/t/install-freefem-on-cluster/1645). Please edit `3rdparty/ff-petsc/Makefile` and add the flag `--with-make_np=10` to the `COMMON_FLAGS` variable.

---

_[View the full topic](https://community.freefem.org/t/freefem-4-5-installation-on-linux-based-cluster-not-a-sudoer/1723)._