EPERMEPERM — Operation Not Permitted
The process does not have the required permissions to perform the requested operation.
ENETUNREACHNo route to the destination network exists in the routing table.
The kernel has no route to the destination network. The default gateway may be misconfigured or down.
Check the routing table with ip route. Add a default gateway with ip route add default via GATEWAY. Verify the gateway is reachable.
EPERMThe process does not have the required permissions to perform the requested operation.
EMLINKThe maximum number of hard links to a single file has been exceeded.
E2BIGThe total size of the argument list and environment variables passed to exec() exceeds the system limit.
ENOBUFSThe system does not have enough network buffer space to complete the operation.
SIGFPE (8)An arithmetic error occurred, such as division by zero or floating-point overflow.
SIGTERM (15)A graceful termination request was sent to the process.