x3ps · January 13, 2025 19:33 · Feb 26, 2024 · Jun 16, 2023 · Jun 13, 2023 · Mar 1, 2023
diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -50,8 +50,8 @@
 
 * **Lenovo ThinkPad E15G2** (20T8001UTX)
   * AMD Ryzen 7 4700U
-  * 8GB RAM
-  * 512GB SSD
+  * 8GB RAM (+16GB)
+  * 512GB SSD (+1 TB)
   * 15.6" FHD
   * Freedos
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -24,6 +24,7 @@
     - [Configure the system](#configure-the-system)
   - [Install network manager](#install-network-manager)
     - [Regenerate initramfs](#regenerate-initramfs)
+  - [Select the CPU architecture](#select-the-cpu-architecture)
   - [Install microcode](#install-microcode)
   - [Install systemd-boot](#install-systemd-boot)
   - [Configure systemd-boot](#configure-systemd-boot)
@@ -265,14 +266,20 @@ Regenerate:
 mkinitcpio -p linux
 ```
 
+## Select the CPU architecture
+
+```sh
+export CPU_ARCH=amd # amd or intel
+```
+
 ## Install microcode
 
 > Processor manufacturers release stability and security updates to the processor microcode. These updates provide bug fixes that can be critical to the stability of your system. Without them, you may experience spurious crashes or unexpected system halts that can be difficult to track down.
 
 > All users with an AMD or Intel CPU should install the microcode updates to ensure system stability. 
 
 ```sh
-pacman -S amd-ucode
+pacman -S $CPU_ARCH-ucode
 ```
 
 ## Install systemd-boot
@@ -321,13 +328,14 @@ console-mode auto
 ```
 title Arch Linux
 linux /vmlinuz-linux
-initrd /amd-ucode.img
+initrd /<CPU-ARCHITECTURE>-ucode.img
 initrd /initramfs-linux.img
 options rd.luks.name=<ROOT-PARTITION-UUID>=system root=/dev/mapper/system rd.luks.name=<SWAP-PARTITION-UUID>=swap resume=/dev/mapper/swap rw
 ```
 
 * `<ROOT-PARTITION-UUID>`: `lsblk -o NAME,UUID | grep nvme0n1p3 | awk '{print $NF}'`
 * `<SWAP-PARTITION-UUID>`: `lsblk -o NAME,UUID | grep nvme0n1p2 | awk '{print $NF}'`
+* `<CPU-ARCHITECTURE>`: value of `$CPU_ARCH`
 
 ## Update kernel parameters
 
@@ -478,9 +486,11 @@ makepkg -si
 ## Install display server
 
 ```sh
-pacman -S xorg-server xorg-xinit xterm xf86-video-amdgpu
+pacman -S xorg-server xorg-xinit xterm
 ```
 
+Also, install `xf86-video-amdgpu` or `xf86-video-intel` based on CPU architecture respectively.
+
 ## Install window manager
 
 ```sh

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -124,7 +124,7 @@ mkfs.fat -F32 -n EFI /dev/disk/by-partlabel/EFI
 ### Encrypt system partition
 
 ```sh
-cryptsetup luksFormat --align-payload=8192 /dev/disk/by-partlabel/cryptsystem
+cryptsetup luksFormat /dev/disk/by-partlabel/cryptsystem
 ```
 
 ### Add an additional LUKS key

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -332,7 +332,7 @@ options rd.luks.name=<ROOT-PARTITION-UUID>=system root=/dev/mapper/system rd.luk
 ## Update kernel parameters
 
 * `audit=0`: disable audit logs
-* `acpi_backlight=vendor`: prefer vendor specific driver for backlight
+* `acpi_backlight=vendor`: prefer vendor specific driver for backlight (see the [other options](https://wiki.archlinux.org/title/Backlight#Kernel_command-line_options))
 * `splash`: show splash during boot
 * `quiet`: enable non-verbose mode
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -492,7 +492,7 @@ Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).
 ## Install code editor
 
 ```sh
-paru -S vscodium-bin vscodium-bin-marketplace
+pacman -S neovim
 ```
 
 ## Install web browser

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -484,7 +484,7 @@ pacman -S xorg-server xorg-xinit xterm xf86-video-amdgpu
 ## Install window manager
 
 ```sh
-pacman -S i3-gaps
+pacman -S i3
 ```
 
 Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -250,7 +250,7 @@ pacman -S netctl wpa_supplicant dhcpcd dialog
 Create a backup of the original config:
 
 ```sh
-mv /etc/mkinitcpio.conf /etc/mkinitcpio.conf.orig
+cp /etc/mkinitcpio.conf /etc/mkinitcpio.conf.orig
 ```
 
 Update `HOOKS` in `/etc/mkinitcpio.conf` as follows:

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -338,6 +338,8 @@ options rd.luks.name=<ROOT-PARTITION-UUID>=system root=/dev/mapper/system rd.luk
 
 ## Installing Secure Boot
 
+\* You need to boot in the freshly installed OS (without chroot) before following these steps.
+
 Before you proceed, beware of [this](https://www.reddit.com/r/archlinux/comments/pec41w/secure_boot_selfsigned_keys_nvidia_gpu_bricked/).
 
 > Secure Boot is a security feature found in the UEFI standard, designed to add a layer of protection to the pre-boot process: by maintaining a cryptographically signed list of binaries authorized or forbidden to run at boot, it helps in improving the confidence that the machine core boot components (boot manager, kernel, initramfs) haven't been tampered with.

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -1,3 +1,50 @@
+# Notes on my Arch Linux installation
+
+- [Notes on my Arch Linux installation](#notes-on-my-arch-linux-installation)
+  - [Hardware](#hardware)
+    - [Known Issues](#known-issues)
+  - [Preparation](#preparation)
+  - [Pre-installation](#pre-installation)
+    - [Select the drive](#select-the-drive)
+    - [Zap the disk](#zap-the-disk)
+    - [Create the partitions](#create-the-partitions)
+    - [Check the partitions](#check-the-partitions)
+    - [Format EFI partition](#format-efi-partition)
+    - [Encrypt system partition](#encrypt-system-partition)
+    - [Add an additional LUKS key](#add-an-additional-luks-key)
+    - [Backup LUKS header](#backup-luks-header)
+    - [Open the encrypted system partition](#open-the-encrypted-system-partition)
+    - [Encrypt swap partition](#encrypt-swap-partition)
+    - [Create and mount XFS filesystem](#create-and-mount-xfs-filesystem)
+    - [Mount EFI partition](#mount-efi-partition)
+  - [Installation](#installation)
+    - [Install essential packages](#install-essential-packages)
+    - [Generate fstab](#generate-fstab)
+    - [Boot into the system](#boot-into-the-system)
+    - [Configure the system](#configure-the-system)
+  - [Install network manager](#install-network-manager)
+    - [Regenerate initramfs](#regenerate-initramfs)
+  - [Install microcode](#install-microcode)
+  - [Install systemd-boot](#install-systemd-boot)
+  - [Configure systemd-boot](#configure-systemd-boot)
+  - [Update kernel parameters](#update-kernel-parameters)
+  - [Installing Secure Boot](#installing-secure-boot)
+  - [Using TPM 2.0](#using-tpm-20)
+- [Post-installation](#post-installation)
+  - [Set up a wireless netwok](#set-up-a-wireless-netwok)
+  - [Create an user](#create-an-user)
+  - [Update pacman mirrors](#update-pacman-mirrors)
+  - [Install an AUR helper](#install-an-aur-helper)
+  - [Install display server](#install-display-server)
+  - [Install window manager](#install-window-manager)
+  - [Install code editor](#install-code-editor)
+  - [Install web browser](#install-web-browser)
+  - [Install docker](#install-docker)
+  - [Set up screen locker](#set-up-screen-locker)
+  - [Set up audio](#set-up-audio)
+  - [Change TrackPoint sensitivity](#change-trackpoint-sensitivity)
+  - [References](#references)
+
 ## Hardware
 
 * **Lenovo ThinkPad E15G2** (20T8001UTX)

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -662,7 +662,7 @@ libinput Accel Profiles Available (318):	1, 1
 [...]
 ```
 
-Override the `Accel Speed` property in `/etc/X11/xorg.conf.d/20-thinkpad.conf`:
+Override the `libinput Accel Speed` property in `/etc/X11/xorg.conf.d/20-thinkpad.conf`:
 
 ```conf
 Section "InputClass"

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -636,7 +636,7 @@ load-module module-switch-on-connect
 Install `xinput` for configuring devices:
 
 ```sh
-pacman -S xorg-xinput
+pacman -S xorg-xinput xf86-input-libinput
 ```
 
 List the available devices by running `xinput` command:
@@ -666,11 +666,9 @@ Override the `Accel Speed` property in `/etc/X11/xorg.conf.d/20-thinkpad.conf`:
 
 ```conf
 Section "InputClass"
-    Identifier	"Trackpoint Wheel Emulation"
-    Driver "evdev"
+    Identifier "TrackPoint Configuration"
     MatchProduct "ETPS/2 Elantech TrackPoint"
-    MatchDevicePath "/dev/input/event*"
-    Option "AccelSpeed" "-0.65"
+    Option "AccelSpeed"	"-0.65"
 EndSection
 ```
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -631,7 +631,7 @@ Update `/etc/pulse/default.pa` for auto connecting to the bluetooth headset:
 load-module module-switch-on-connect
 ```
 
-## Configure TrackPoint sensitivity
+## Change TrackPoint sensitivity
 
 Install `xinput` for configuring devices:
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -631,6 +631,49 @@ Update `/etc/pulse/default.pa` for auto connecting to the bluetooth headset:
 load-module module-switch-on-connect
 ```
 
+## Configure TrackPoint sensitivity
+
+Install `xinput` for configuring devices:
+
+```sh
+pacman -S xorg-xinput
+```
+
+List the available devices by running `xinput` command:
+
+```
+⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
+⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
+⎜   ↳ ETPS/2 Elantech Touchpad                	id=12	[slave  pointer  (2)]
+⎜   ↳ ETPS/2 Elantech TrackPoint              	id=13	[slave  pointer  (2)]
+```
+
+List the properties of the TrackPoint:
+
+```sh
+xinput list-props "ETPS/2 Elantech TrackPoint"
+```
+
+```
+[...]
+libinput Accel Speed (316):	0.000000
+libinput Accel Speed Default (317):	0.000000
+libinput Accel Profiles Available (318):	1, 1
+[...]
+```
+
+Override the `Accel Speed` property in `/etc/X11/xorg.conf.d/20-thinkpad.conf`:
+
+```conf
+Section "InputClass"
+    Identifier	"Trackpoint Wheel Emulation"
+    Driver "evdev"
+    MatchProduct "ETPS/2 Elantech TrackPoint"
+    MatchDevicePath "/dev/input/event*"
+    Option "AccelSpeed" "-0.65"
+EndSection
+```
+
 ## References
 
 - https://wiki.archlinux.org/title/Installation_guide
@@ -655,3 +698,4 @@ load-module module-switch-on-connect
 - https://wiki.archlinux.org/title/Bluetooth#Auto_power-on_after_boot
 - https://wiki.archlinux.org/title/Session_lock
 - https://wiki.archlinux.org/title/docker
+- https://wiki.archlinux.org/title/TrackPoint
diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -435,7 +435,7 @@ pacman -S xorg-server xorg-xinit xterm xf86-video-amdgpu
 ## Install window manager
 
 ```sh
-pacman -S i3-gaps polkit
+pacman -S i3-gaps
 ```
 
 Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -456,6 +456,7 @@ pacman -S firefox-developer-edition
 
 ```sh
 pacman -S docker
+usermod -a -G docker orhun
 systemctl enable --now docker.service
 ```
 
@@ -653,3 +654,4 @@ load-module module-switch-on-connect
 - https://wiki.archlinux.org/title/bluetooth_headset
 - https://wiki.archlinux.org/title/Bluetooth#Auto_power-on_after_boot
 - https://wiki.archlinux.org/title/Session_lock
+- https://wiki.archlinux.org/title/docker
diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -452,6 +452,13 @@ paru -S vscodium-bin vscodium-bin-marketplace
 pacman -S firefox-developer-edition
 ```
 
+## Install docker
+
+```sh
+pacman -S docker
+systemctl enable --now docker.service
+```
+
 ## Set up screen locker
 
 Install i3lock:

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -521,7 +521,8 @@ WantedBy=sleep.target
 ```
 
 2. Keep the lock screen from flashing the desktop:
-  2.1. Create `/lib/systemd/system-sleep/blank`:
+
+2.a. Create `/lib/systemd/system-sleep/blank`:
 
 ```sh
 #!/usr/bin/env bash
@@ -531,7 +532,7 @@ if [ "$1" == "pre" ]; then
 fi
 ```
 
-  2.2. `chmod +x /lib/systemd/system-sleep/blank`
+2.b. `chmod +x /lib/systemd/system-sleep/blank`
 
 Lastly, start/enable both services:
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -476,7 +476,7 @@ i3lock-fancy -g -t "" -- menyoki -q cap --root png -c fast save 2>/dev/null
 
 Lock the screen after 5 minutes of inactivity:
 
-1.
+1. Install the screen locker:
 
 ```sh
 pacman -S xautolock
@@ -521,15 +521,17 @@ WantedBy=sleep.target
 ```
 
 2. Keep the lock screen from flashing the desktop:
-  1. Create `/lib/systemd/system-sleep/blank`:
+  2.1. Create `/lib/systemd/system-sleep/blank`:
+
 ```sh
 #!/usr/bin/env bash
 
 if [ "$1" == "pre" ]; then
   sleep 2
 fi
 ```
-  2. `chmod +x /lib/systemd/system-sleep/blank`
+
+  2.2. `chmod +x /lib/systemd/system-sleep/blank`
 
 Lastly, start/enable both services:
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -435,7 +435,7 @@ pacman -S xorg-server xorg-xinit xterm xf86-video-amdgpu
 ## Install window manager
 
 ```sh
-pacman -S i3-gaps
+pacman -S i3-gaps polkit
 ```
 
 Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).
@@ -454,8 +454,88 @@ pacman -S firefox-developer-edition
 
 ## Set up screen locker
 
+Install i3lock:
+
+```sh
+paru i3lock-fancy
+```
+
+Install screenshot utility:
+
+```sh
+pacman -S menyoki
+```
+
+Create a script at `~/scripts/lock.sh` for locking the screen:
+
+```sh
+#!/usr/bin/env bash
+
+i3lock-fancy -g -t "" -- menyoki -q cap --root png -c fast save 2>/dev/null
+```
+
+Lock the screen after 5 minutes of inactivity:
+
+1.
+
+```sh
+pacman -S xautolock
+```
+
+2. Create `/etc/systemd/system/screen-locker.service`:
+
+```
+[Unit]
+Description=Lock the screen automatically after a timeout
+
+[Service]
+Type=simple
+User=orhun
+Environment=DISPLAY=:0
+ExecStart=/usr/bin/xautolock -time 5 -locker /home/orhun/scripts/lock.sh -detectsleep
+Restart=on-failure
+RestartSec=5m
+
+[Install]
+WantedBy=graphical.target
+```
+
+Lock the screen after suspend:
+
+1. Create `/etc/systemd/system/resume-locker.service`:
+
+```
+[Unit]
+Description=Lock the screen on resume from suspend
+Before=suspend.target
+
+[Service]
+Type=forking
+User=orhun
+Environment=DISPLAY=":0"
+ExecStart=/usr/bin/bash /home/orhun/scripts/lock.sh
+
+[Install]
+WantedBy=suspend.target
+WantedBy=sleep.target
+```
+
+2. Keep the lock screen from flashing the desktop:
+  1. Create `/lib/systemd/system-sleep/blank`:
+```sh
+#!/usr/bin/env bash
+
+if [ "$1" == "pre" ]; then
+  sleep 2
+fi
+```
+  2. `chmod +x /lib/systemd/system-sleep/blank`
+
+Lastly, start/enable both services:
+
 ```sh
-pacman -S polkit
+systemctl enable --now screen-locker.service
+systemctl enable --now resume-locker.service
 ```
 
 ## Set up audio
@@ -562,4 +642,4 @@ load-module module-switch-on-connect
 - https://wiki.archlinux.org/title/PipeWire
 - https://wiki.archlinux.org/title/bluetooth_headset
 - https://wiki.archlinux.org/title/Bluetooth#Auto_power-on_after_boot
-- 
+- https://wiki.archlinux.org/title/Session_lock
diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -477,10 +477,17 @@ pactl info
 Set up bluetooth:
 
 ```sh
+rfkill unblock all
 pacman -S bluez bluez-utils
 systemctl start bluetooth.service
 systemctl enable bluetooth.service
-rfkill unblock all
+```
+
+Update `/etc/bluetooth/main.conf` to auto power-on the bluetooth device after boot:
+
+```
+[Policy]
+AutoEnable=true
 ```
 
 Configure bluetooth headset:
@@ -526,7 +533,7 @@ Changing E8:D0:3C:8B:7B:48 trust succeeded
 [JBL TUNE500BT]# exit
 ```
 
-Update `/etc/pulse/default.pa` for the bluetooth headset:
+Update `/etc/pulse/default.pa` for auto connecting to the bluetooth headset:
 
 ```
 ### Automatically switch to newly-connected devices
@@ -554,3 +561,5 @@ load-module module-switch-on-connect
 - https://wiki.archlinux.org/title/Advanced_Linux_Sound_Architecture
 - https://wiki.archlinux.org/title/PipeWire
 - https://wiki.archlinux.org/title/bluetooth_headset
+- https://wiki.archlinux.org/title/Bluetooth#Auto_power-on_after_boot
+- 
diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -458,7 +458,7 @@ pacman -S firefox-developer-edition
 pacman -S polkit
 ```
 
-## Bring up audio
+## Set up audio
 
 Check the audio device:
 
@@ -476,7 +476,7 @@ pactl info
 
 Set up bluetooth:
 
-```
+```sh
 pacman -S bluez bluez-utils
 systemctl start bluetooth.service
 systemctl enable bluetooth.service
@@ -485,7 +485,7 @@ rfkill unblock all
 
 Configure bluetooth headset:
 
-```sh
+```
 bluetoothctl
 
 [bluetooth]# power on

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -466,11 +466,71 @@ Check the audio device:
 lspci | grep -i audio
 ```
 
-Install pipewire:
+Install pipewire/pulse:
 
 ```sh
 pacman -S alsa-utils pipewire pipewire-pulse
 systemctl start --user pipewire-pulse.service
+pactl info
+```
+
+Set up bluetooth:
+
+```
+pacman -S bluez bluez-utils
+systemctl start bluetooth.service
+systemctl enable bluetooth.service
+rfkill unblock all
+```
+
+Configure bluetooth headset:
+
+```sh
+bluetoothctl
+
+[bluetooth]# power on
+[CHG] Controller XX:XX:XX:XX:XX:XX Class: 0x006c010c
+Changing power on succeeded
+[CHG] Controller XX:XX:XX:XX:XX:XX Powered: yes
+
+[bluetooth]# agent on
+Agent is already registered
+[bluetooth]# default-agent
+Default agent request successful
+
+[bluetooth]# scan on
+Discovery started
+[CHG] Controller XX:XX:XX:XX:XX:XX Discovering: yes
+[NEW] Device E8:D0:3C:8B:7B:48 JBL TUNE500BT
+
+[bluetooth]# pair E8:D0:3C:8B:7B:48 
+Attempting to pair with E8:D0:3C:8B:7B:48
+[CHG] Device E8:D0:3C:8B:7B:48 Connected: yes
+[CHG] Device E8:D0:3C:8B:7B:48 ServicesResolved: yes
+[CHG] Device E8:D0:3C:8B:7B:48 Paired: yes
+Pairing successful
+[CHG] Device E8:D0:3C:8B:7B:48 ServicesResolved: no
+[CHG] Device E8:D0:3C:8B:7B:48 Connected: no
+
+[bluetooth]# connect E8:D0:3C:8B:7B:48 
+Attempting to connect to E8:D0:3C:8B:7B:48
+[CHG] Device E8:D0:3C:8B:7B:48 Connected: yes
+Connection successful
+[CHG] Device E8:D0:3C:8B:7B:48 ServicesResolved: yes
+
+[JBL TUNE500BT]# trust E8:D0:3C:8B:7B:48 
+[CHG] Device E8:D0:3C:8B:7B:48 Trusted: yes
+Changing E8:D0:3C:8B:7B:48 trust succeeded
+
+[JBL TUNE500BT]# scan off
+[JBL TUNE500BT]# exit
+```
+
+Update `/etc/pulse/default.pa` for the bluetooth headset:
+
+```
+### Automatically switch to newly-connected devices
+load-module module-switch-on-connect
 ```
 
 ## References

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -469,7 +469,7 @@ lspci | grep -i audio
 Install pipewire:
 
 ```sh
-pacman -S alsa-utils pipewire pipewire-alsa pipewire-pulse
+pacman -S alsa-utils pipewire pipewire-pulse
 systemctl start --user pipewire-pulse.service
 ```
 

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -460,6 +460,14 @@ pacman -S polkit
 
 ## Bring up audio
 
+Check the audio device:
+
+```sh
+lspci | grep -i audio
+```
+
+Install pipewire:
+
 ```sh
 pacman -S alsa-utils pipewire pipewire-alsa pipewire-pulse
 systemctl start --user pipewire-pulse.service

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -458,6 +458,13 @@ pacman -S firefox-developer-edition
 pacman -S polkit
 ```
 
+## Bring up audio
+
+```sh
+pacman -S alsa-utils pipewire pipewire-alsa pipewire-pulse
+systemctl start --user pipewire-pulse.service
+```
+
 ## References
 
 - https://wiki.archlinux.org/title/Installation_guide
@@ -476,3 +483,6 @@ pacman -S polkit
 - https://wiki.archlinux.org/title/Xorg
 - https://man.archlinux.org/man/reflector.1#EXAMPLES
 - https://wiki.archlinux.org/title/Allow_users_to_shutdown
+- https://wiki.archlinux.org/title/Advanced_Linux_Sound_Architecture
+- https://wiki.archlinux.org/title/PipeWire
+- https://wiki.archlinux.org/title/bluetooth_headset
diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -407,8 +407,10 @@ visudo # uncomment "%wheel ALL=(ALL) ALL"
 
 ## Update pacman mirrors
 
+_(this section needs review)_
+
 ```sh
-pacman -S reflector
+sudo pacman -S reflector
 reflector --country Germany --age 12 --protocol https --sort rate --save /etc/pacman.d/mirrorlist
 curl "https://archlinux.org/mirrorlist/?country=TR&protocol=http&protocol=https&ip_version=4" | sudo tee -a /etc/pacman.d/mirrorlist
 sudo vim /etc/pacman.d/mirrorlist

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -424,26 +424,32 @@ cd paru/
 makepkg -si
 ```
 
-## Set up display server
+## Install display server
 
 ```sh
 pacman -S xorg-server xorg-xinit xterm xf86-video-amdgpu
 ```
 
-## Set up window manager
+## Install window manager
 
 ```sh
 pacman -S i3-gaps
 ```
 
 Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).
 
-## Set up code editor
+## Install code editor
 
 ```sh
 paru -S vscodium-bin vscodium-bin-marketplace
 ```
 
+## Install web browser
+
+```sh
+pacman -S firefox-developer-edition
+```
+
 ## Set up screen locker
 
 ```sh

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -438,6 +438,12 @@ pacman -S i3-gaps
 
 Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).
 
+## Set up code editor
+
+```sh
+paru -S vscodium-bin vscodium-bin-marketplace
+```
+
 ## Set up screen locker
 
 ```sh

diff --git a/arch_linux_installation.md b/arch_linux_installation.md
@@ -407,7 +407,7 @@ visudo # uncomment "%wheel ALL=(ALL) ALL"
 
 ## Update pacman mirrors
 
-```
+```sh
 pacman -S reflector
 reflector --country Germany --age 12 --protocol https --sort rate --save /etc/pacman.d/mirrorlist
 curl "https://archlinux.org/mirrorlist/?country=TR&protocol=http&protocol=https&ip_version=4" | sudo tee -a /etc/pacman.d/mirrorlist
@@ -416,7 +416,7 @@ sudo vim /etc/pacman.d/mirrorlist
 
 ## Install an AUR helper
 
-```
+```sh
 pacman -S git wget rust base-devel
 rustup install stable
 git clone https://aur.archlinux.org/paru
@@ -440,7 +440,7 @@ Configure i3 and run it with [xinit](https://wiki.archlinux.org/title/Xinit).
 
 ## Set up screen locker
 
-```
+```sh
 pacman -S polkit
 ```
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