Install Emacs26 on Ubuntu WSL (SpaceEmacs)

em.sh

#!/usr/bin/env bash
# Checks if there's a frame open
emacsclient -n -e "(if (> (length (frame-list)) 1) 't)" 2> /dev/null | grep t &> /dev/null
if [ "$?" -eq "1" ]; then
    emacsclient -a '' -nqc "$@" &> /dev/null
else
    emacsclient -nq "$@" &> /dev/null
fi

emacs.ps1

function emacs {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$false, ValueFromPipeline=$true)]
        [String[]]
        $Path = ''
    )
    Begin{
        $cmdTemplate = "cd ~; export DISPLAY=:0; /home/mbatsching/bin/em {0}"
    }
    Process {
        foreach ($p in $Path) {
            $p = Get-Item $p
            $linuxPath = wsl wslpath -a ($p.FullName -replace '\\', '\\') ## Preserve backslashes
            $cmd = $cmdTemplate -f ($linuxPath -replace ' ', '\ ') ## Escape spaces
            cmd /c C:\Windows\System32\wscript.exe C:\\Users\\m.batsching\wslu\runHidden.vbs bash.exe -c $cmd
        }
    }
    End {

    }
}

install_emacs26.md

On WSL:

sudo add-apt-repository ppa:kelleyk/emacs
sudo apt-get update
sudo apt install emacs26
git clone https://github.com/syl20bnr/spacemacs ~/.emacs.d
sudo apt install xfce4
echo "export DISPLAY=:0.0" >> ~/.bashrc
source ~/.bashrc

Source

On Windows:

choco install vcxsrv

Inside WSL: Create short cut to windows Desktop

wslusc -g /home/mbatsching/bin/em

Install missing font

wget https://github.com/adobe-fonts/source-code-pro/archive/2.030R-ro/1.050R-it.zip
unzip 1.050R-it.zip 
if [ ! -d "~/.fonts" ] ; then
    mkdir ~/.fonts
fi
cp source-code-pro-*-it/OTF/*.otf ~/.fonts/
fc-cache -f -v

add this to bashrc

export PATH=$PATH:~/bin
cd ~

• Source: https://medium.com/@bobbypriambodo/blazingly-fast-spacemacs-with-persistent-server-92260f2118b7