it is possible to use estonian identity card in manjaro linux (arch linux based).
install the middleware to access smart cards:
# pacman -S pcsclite pcsc-tools ccid
enable and start pcscd service:
# systemctl enable pcscd # systemctl start pcscd
now you can test your estonian identity card. run "pcsc_scan" application in console. if the card is unresponsive, then try inserting it again: