Sudo command is missing in stlb01

Why is sudo command missing in stlb01? So I’m unable to issue root commands and complete the exercise. Any reason for this?

he authenticity of host ‘stlb01 (’ can’t be established.
ECDSA key fingerprint is SHA256:FHuCjdhX52fGiW1JUCAeTvua0uE/3ZSlR0fyt52TrQE.
ECDSA key fingerprint is MD5:28:37:d1:88:82:74:d2:b0:ef:59:4e:5f:d0:2b:a8:c5.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added ‘stlb01,’ (ECDSA) to the list of known hosts.
[email protected]’s password:
[[email protected] ~] sudo su - -bash: sudo: command not found [[email protected] ~] id
uid=1000(loki) gid=1000(loki) groups=1000(loki),10(wheel)
[[email protected] ~] sudo su -bash: sudo: command not found [[email protected] ~]

Am I the only one having this problem?