/etc/issue does not exist on all systems
/etc/issue does not exist on all systems

Signed-off-by: Gregory L. Dietsche <fab22ba70c1d97aa0b34ba823fba551a1691c0ec@cuw.edu>

jtl999/certbot,lmcro/letsencrypt,letsencrypt/letsencrypt,jsha/letsencrypt,jtl999/certbot,bsmr-misc-forks/letsencrypt,lmcro/letsencrypt,stweil/letsencrypt,stweil/letsencrypt,letsencrypt/letsencrypt,jsha/letsencrypt,bsmr-misc-forks/letsencrypt