The main cause for this error (see below) is due to su not being set to a setuid of root.
su: cannot set groups: Operation not permitted
Solution
chmod u+s /bin/su
Rick Donato is a Network Automation Architect/Evangelist and the founder of Packet Coders.
Latest posts by Rick Donato (see all)
- How to Configure a BIND Server on Ubuntu - March 15, 2018
- What is a BGP Confederation? - March 6, 2018
- Cisco – What is BGP ORF (Outbound Route Filtering)? - March 5, 2018
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