sudo dpkg -l ca-certificates
[sudo] password for ubuntu:
sh: 0: getcwd() failed: No such file or directory
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name            Version         Architecture Description
+++-===============-===============-============-==============================>
ii  ca-certificates 20210119ubuntu1 all          Common CA certificates