arch: recommended setup

wiki/linux/arch-linux/arch-linux.md

@@ -7,7 +7,14 @@ The Arch User Repositories (AUR) features community-made packages that can be
 installed with different
 [package manager that inlcude access to the AUR](/wiki/linux/arch-linux/package_manager.md).
 
-## Installation Medium
+## Installation
+
+The installation of a basic Arch Linux system is described in the
+[installation entry](/wiki/linux/arch-linux/installation.md).
+The entry features a guide to install a system with a X server setup aswell as
+programs for the most used tasks on a system.
+
+### ISO Medium
 
 For the installation usage of a simple USB key is advised.
 This has to be flashed with the Arch ISO.
@@ -17,11 +24,20 @@ 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`.
 `<path to ISO>` points the command to the location of the ISO file
 
+## Recommended Practices
+
+The following articles describe steps to undertake to harden the system security
+or setups and installation that are recommended for Arch Linux.
+
 ## 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
+Not all processors are supported, especially old ones can lead to problems.
+It has to be confirmed that the processor is supported, if this is not the case
+is possible for the next steps to break the functionality of the bootloader.
+
+The following part 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

wiki/linux/arch-linux/installation.md

@@ -209,6 +209,9 @@ this will install a bunch of useful base software including
 [a graphical environment](../x_window_system.md) and
 [a window manager](../suckless.md#programs).
 You can go on to other guides aswell.
+Especially the
+[Recommended practices](/wiki/linux/arch-linux/arch-linux.md#recommended-practices)
+should be checked for further setups.
 
 Additionally if you have a NVidia Graphics Cards you should read
 [the NVidia article](../nvidia.md) too.