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microcode: added arch microcode install
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[Arch Linux](https://archlinux.org/) is a rolling-release, general-purpose Linux
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distribution.
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Arch Linux uses the [pacman](./pacman_and_yay.md) package manager.
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Arch Linux uses the [pacman](./package_manager.md) package manager.
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The Arch User Repositories (AUR) features community-made packages that can be
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installed with different
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[package manager that inlcude access to the AUR](/wiki/linux/arch-linux/pacman_and_yay.md).
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[package manager that inlcude access to the AUR](/wiki/linux/arch-linux/package_manager.md).
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## Installation Medium
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@ -16,3 +16,19 @@ The ISO file can be found on the
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The iso can be written on an USB-stick using the command
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`dd bs=4M if=<path to ISO> of=/dev/sdx conv=fsync oflag=direct status=progress`.
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`<path to ISO>` points the command to the location of the ISO file
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## Enable Microcode Updates
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The microcode of Intel and AMD CPUs can be automatically updated by installing
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the `amd-ucode` or `intel-ucode` package depending on your CPU.
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The following description assumes the system is installed with
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[UEFI bootloader](/wiki/linux/arch-linux/installation.md#10-install-and-configure-uefi-bootloader)
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similar to the [recommended guide](/wiki/linux/arch-linux/installation.md).
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The microcode updates can then be enabled by adding the following line into
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`/boot/loader/entries/arch.conf`:
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```txt
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initrd /<installed microcode package>.img
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```
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`<installed microcode package>` is either `amd-ucode` or `intel-ucode`.
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## Setup
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The `flatpak` package can be installed by most distribution specific package
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managers (e.g. [pacman or yay](./arch-linux/pacman_and_yay.md)).
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managers (e.g. [pacman or yay](./arch-linux/package_manager.md)).
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After installation it is important to add [flathub](https://flathub.org/home),
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a source for many Flatpak packages.
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The addition of this can be done by running
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15
wiki/linux/microcode.md
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wiki/linux/microcode.md
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# Microcode
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Processor vendors release stability and security updates to the processor
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microcode.
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## Installation
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Most Linux based operating systems feature packages depending on the processor
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manufacturer (on Arch Linux for example `intel-ucode` and `amd-ucode`).
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## Automatic Updates
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Automatic updates can be enabled depending on bootloader and operating system.
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For Arch Linux a description is given in the
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[Arch Linux entry](/wiki/linux/arch-linux/arch-linux.md#enable-microcode-updates).
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