Emacs on Linux

Running as a user systemd service

Write to ~/.config/systemd/user/emacs.service

[Unit]
Description=Emacs text editor
Documentation=info:emacs man:emacs(1) https://gnu.org/software/emacs/

[Service]
Type=forking
ExecStart=/usr/bin/emacs --daemon
ExecStop=/usr/bin/emacsclient --eval "(kill-emacs)"
Environment=SSH_AUTH_SOCK=%t/keyring/ssh
Restart=on-failure

[Install]
WantedBy=default.target

Gnome desktop icon

~/.local/share/applications/emacs-client.desktop

desktop-file-validate ~/.local/share/applications/emacs-client.desktop
xdg-desktop-menu install ~/.local/share/applications/emacs-client.desktop
xdg-desktop-icon install ~/.local/share/applications/emacs-client.desktop

[Desktop Entry]
Name=Emacs (client)
GenericName=Text Editor
Comment=Edit text
MimeType=text/english;text/plain;text/x-makefile;text/x-c++hdr;text/x-c++src;text/x-chdr;text/x-csrc;text/x-java;text/x-moc;text/x-pascal;text/x-tcl;text/x-tex;application/x-shellscript;text/x-c;text/x-c++;
Exec=/usr/bin/emacsclient --create-frame --alternate-editor "emacs" %F
Icon=emacs
Type=Application
Terminal=false
Categories=Development;TextEditor;
StartupNotify=true
StartupWMClass=Emacs

Build from source (Fedora)

sudo dnf install texinfo gnutls-devel autoconf make gcc ncurses-devel sqlite-devel
sudo dnf install gtk3-devel giflib-devel libXpm-devel # Graphical install
git clone git://git.sv.gnu.org/emacs.git
cd emacs
sh autogen.sh
./configure