I can obtain root privileges using the command below

[dev4mobile]

❯ ssh opc@yuanyuan.remote
[opc@instance-20220112-2214 ~]$ ls
1.txt a.out bak c cxx default.conf factorial.c file-final.pcap go hello.c main nohup.out php pre_download.pcap test tulip workspace
[opc@instance-20220112-2214 ~]$ sudo script
Script started, file is typescript
[root@instance-20220112-2214 opc]# id
uid=0(root) gid=0(root) groups=0(root)
[root@instance-20220112-2214 opc]# id -Gn
root
[root@instance-20220112-2214 opc]# ext
bash: ext: command not found
[root@instance-20220112-2214 opc]# exit
exit
Script done, file is typescript
[opc@instance-20220112-2214 ~]$ id -Gn
opc adm wheel systemd-journal docker
[opc@instance-20220112-2214 ~]$

[millert]

Presumably this is because the opc user has sudo privileges, likely due to it being a member of group wheel. You can run "sudo -l" to list the privileges for that user.

[dev4mobile]