xmobar.txt

$ mkdir -p ~/.config/xmobar && cd ~/.config/xmobar

git clone https://github.com/jaor/xmobar

cd xmobar

-------------------------------------------------------------

$ sudo apt install libghc-aeson-dev libghc-async-dev libghc-extensible-exceptions-dev libghc-parsec-numbers-dev libghc-regex-compat-dev

$ runhaskell setup.lhs configure
$ runhaskell setup.lhs build
$ sudo runhaskell setup.lhs install

-------------------------------------------------------------

$ nano ~/.config/xmobar/xmobarrc

Config {
  font = "xft:Ubuntu Mono:size=16:weight=bold:antialias=true:hinting=true",
  borderColor = "#000000",
  border = TopB,
  bgColor = "#333333",
  fgColor = "#b5b3b3",
  position = Top,
  commands = [
    Run Date "<fn=1>\xf133</fn> %A %_d. %B %Y - %H:%M " "date" 10
  ],
  sepChar = "%",
  alignSep = "}{",
  template = " Hello }"\
            \"{ <fc=#ee9a00>%date%</fc> "
}

-------------------------------------------------------------

# XMonad config

import XMonad.Hooks.ManageDocks
import XMonad.Util.Run

myLayoutHook = avoidStruts (tiled ||| Mirror tiled ||| Full)
  where
    -- default tiling algorithm partitions the screen into two panes
    tiled = Tall nmaster delta ratio

    -- The default number of windows in the master pane
    nmaster = 1

    -- Default proportion of screen occupied by master pane
    ratio   = 1/2

    -- Percent of screen to increment by when resizing panes
    delta   = 3/100

defaults = def
  {
    layoutHook = myLayoutHook
  }

main = do
  xmproc <- spawnPipe "xmobar ~/.config/xmobar/xmobarrc"
  xmonad $ docks defaults

xmonad.txt

$ sudo nano /etc/gdm3/custom.conf

WaylandEnable=true

-------------------------------------------------------------

# set PATH so it includes user local bin if it exists.
if [ -d "$HOME/.local/bin" ] ; then
  PATH="$HOME/.local/bin:$PATH"
fi

-------------------------------------------------------------

$ mkdir -p ~/.config/xmonad && cd ~/.config/xmonad

git clone https://github.com/xmonad/xmonad.git
git clone https://github.com/xmonad/xmonad-contrib.git

-------------------------------------------------------------

$ sudo apt install haskell-stack libx11-dev libxrandr-dev libxss-dev libghc-x11-xft-dev
$ stack upgrade
$ stack init
$ stack install

-------------------------------------------------------------

$ sudo nano /usr/share/xsessions/xmonad.desktop

[Desktop Entry]
Name=XMonad
Comment=Lightweight tiling window manager
Exec=xmonad
Type=XSession

-------------------------------------------------------------

$ nano ~/.config/xmonad/xmonad.hs

import XMonad
import XMonad.Util.SpawnOnce

myTerminal = "gnome-terminal"
myModMask = mod4Mask
myBorderWidth = 2

myStartupHook = do
  spawnOnce "xrandr -s 1920x1080 &"
  spawnOnce "nitrogen --restore &"
  spawnOnce "compton &"

defaults = def
  {
    terminal = myTerminal,
    borderWidth = myBorderWidth,
    modMask = myModMask,
    startupHook = myStartupHook
  }

main = do
  xmonad $ defaults