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microcode: added arch microcode install

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20
wiki/linux/arch-linux/arch-linux.md
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[Arch Linux](https://archlinux.org/) is a rolling-release, general-purpose Linux [Arch Linux](https://archlinux.org/) is a rolling-release, general-purpose Linux
distribution. distribution.
Arch Linux uses the [pacman](./pacman_and_yay.md) package manager. Arch Linux uses the [pacman](./package_manager.md) package manager.
The Arch User Repositories (AUR) features community-made packages that can be The Arch User Repositories (AUR) features community-made packages that can be
installed with different installed with different
[package manager that inlcude access to the AUR](/wiki/linux/arch-linux/pacman_and_yay.md). [package manager that inlcude access to the AUR](/wiki/linux/arch-linux/package_manager.md).
## Installation Medium ## Installation Medium
@ -16,3 +16,19 @@ The ISO file can be found on the
The iso can be written on an USB-stick using the command The iso can be written on an USB-stick using the command
`dd bs=4M if=<path to ISO> of=/dev/sdx conv=fsync oflag=direct status=progress`. `dd bs=4M if=<path to ISO> of=/dev/sdx conv=fsync oflag=direct status=progress`.
`<path to ISO>` points the command to the location of the ISO file `<path to ISO>` points the command to the location of the ISO file
## Enable Microcode Updates
The microcode of Intel and AMD CPUs can be automatically updated by installing
the `amd-ucode` or `intel-ucode` package depending on your CPU.
The following description assumes the system is installed with
[UEFI bootloader](/wiki/linux/arch-linux/installation.md#10-install-and-configure-uefi-bootloader)
similar to the [recommended guide](/wiki/linux/arch-linux/installation.md).
The microcode updates can then be enabled by adding the following line into
`/boot/loader/entries/arch.conf`:
```txt
initrd /<installed microcode package>.img
```
`<installed microcode package>` is either `amd-ucode` or `intel-ucode`.

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wiki/linux/arch-linux/pacman_and_yay.md → wiki/linux/arch-linux/package_manager.md
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wiki/linux/flatpak.md
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## Setup ## Setup
The `flatpak` package can be installed by most distribution specific package The `flatpak` package can be installed by most distribution specific package
managers (e.g. [pacman or yay](./arch-linux/pacman_and_yay.md)). managers (e.g. [pacman or yay](./arch-linux/package_manager.md)).
After installation it is important to add [flathub](https://flathub.org/home), After installation it is important to add [flathub](https://flathub.org/home),
a source for many Flatpak packages. a source for many Flatpak packages.
The addition of this can be done by running The addition of this can be done by running

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wiki/linux/microcode.md Normal file
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# Microcode
Processor vendors release stability and security updates to the processor
microcode.
## Installation
Most Linux based operating systems feature packages depending on the processor
manufacturer (on Arch Linux for example `intel-ucode` and `amd-ucode`).
## Automatic Updates
Automatic updates can be enabled depending on bootloader and operating system.
For Arch Linux a description is given in the
[Arch Linux entry](/wiki/linux/arch-linux/arch-linux.md#enable-microcode-updates).