List locally trusted certifcates certutil -d sql:$HOME/.pki/nssdb -L Add locally trusted certifcate certutil -d sql:$HOME/.pki/nssdb -D -t "P,," -n ~/Downloads/apps.tdlabs.local.crt -i ~/Downloads/apps.tdlabs.local.crt Delete locally tristed certificate certutil -d sql:$HOME/.pki/nssdb -D -n app1