# certutil > Manage keys and certificates in both NSS databases and other NSS tokens. > More information: . - Create a new certificate database: `certutil -N -d .` - List all certificates in a database: `certutil -L -d .` - List all private keys in a database: `certutil -K -d . -f {{path/to/password_file.txt}}` - Import the signed certificate into the requesters database: `certutil -A -n "{{server_certificate}}" -t ",," -i {{path/to/file.crt}} -d .` - Add subject alternative names to a given certificate: `certutil -S -f {{path/to/password_file.txt}} -d . -t ",," -c "{{server_certificate}}" -n "{{server_name}}" -g {{2048}} -s "CN={{common_name}},O={{organization}}"`