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# linux-keep-modules (Arch Linux pacman package)
One potential issue when upgrading the **Arch Linux kernel** is that the modules of the **currently running kernel may be deleted**. This can lead to a number of problems, including unexpected behavior, system crashes, or the inability to mount certain file systems (e.g., the kernel fails to mount a vfat file system due to the unavailability of the vfat kernel module).
The pacman package **linux-keep-modules**, written by [James Cherti](https://www.jamescherti.com), provides a solution to ensure that the **modules of the currently running Linux kernel remain available until the operating system is restarted**. Additionally, after a system restart, the script automatically **removes any unnecessary kernel modules** that might have been left behind by previous upgrades (e.g., the kernel modules that are not owned by any Arch Linux package and are not required by the currently running kernel).
The **linux-keep-modules** package keeps your system running smoothly and maintains stability even during major Linux kernel upgrades.
## Make and install the linux-keep-modules package
Clone the repository and change the current directory to 'archlinux-linux-keep-modules/':
```
$ git clone https://github.com/jamescherti/archlinux-linux-keep-modules.git
$ cd archlinux-linux-keep-modules/
```
Make the `linux-keep-modules` package:
```
$ makepkg -f
==> Making package: linux-keep-modules
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
...
==> Finished making: linux-keep-modules
```
Install the `linux-keep-modules` package:
```
$ sudo pacman -U linux-keep-modules-*-any.pkg.tar.*
```
Finally, enable the cleanup-linux-modules service:
```
$ sudo systemctl daemon-reload
$ sudo systemctl enable cleanup-linux-modules
```
(The cleanup-linux-modules service deletes at boot time the Linux kernel modules that are not owned by any a package at boot time)
## Links
- [AUR package: linux-keep-modules](https://aur.archlinux.org/packages/linux-keep-modules)
- [Git repository: archlinux-linux-keep-modules](https://github.com/jamescherti/archlinux-linux-keep-modules)
- [Article about the linux-keep-modules package](https://www.jamescherti.com/arch-linux-keep-kernel-modules-during-upgrade)
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