add power profile after setup

arch.md

@@ -5,6 +5,7 @@
 - [Arch with Gnome](#arch-with-gnome)
   - [Installation](#installation)
   - [Post Install](#post-install)
+    - [Power Management](#power-management)
     - [TPM2 LUKS Decryption](#tpm2-luks-decryption)
     - [Fingerprint Reader Support](#fingerprint-reader-support)
     - [AppImage Support](#appimage-support)
@@ -17,6 +18,7 @@
     - [XWayland](#xwayland)
     - [Wireguard](#wireguard)
     - [btrbk](#btrbk)
+  - [Bashrc](#bashrc)
   - [Help](#help)
     - [Update Grub](#update-grub)
     - [Downgrading Kernel](#downgrading-kernel)
@@ -125,6 +127,30 @@ Set up locale with correct information (required for certain binaries like minec
 
 2. `sudo locale-gen`
 
+### Power Management
+
+1. For laptops install `tlp`
+
+    ```bash
+    sudo pacman -S tlp
+    sudo systemctl enable --now tlp
+    ```
+
+2. For desktops install cpupower
+
+    ```bash
+    sudo pacman -S cpupower
+    systemctl enable --now cpupower
+    ```
+
+    Temporarily set power profile with `cpupower frequency-set -g performance`
+
+    Edit /etc/default/cpupower
+
+    ```conf
+    governor='performance'
+    ```
+
 ### TPM2 LUKS Decryption
 
 2. `pacman -S tpm2-tss`
@@ -403,6 +429,9 @@ alias lsd='ls -d */'
 
 ## Count the number of files in a directory
 alias lsc='find . -type f | wc -l'
+
+## ls sort by last modified ##
+alias lmt='ls -t -1'
 ```
 
 ## Help