Shell request failed on channel 0

"Problem description"
When synchronizing data via rsync, a machine cannot be synchronized successfully
"Troubleshooting"
Connect the target machine via SSH, the following error occurred
Ssh-i '/.ssh/id_rsa ' [email protected]
Shell request failed on channel 0
"Solution"
This is because the number of processes in the system is small, resulting in the inability to connect properly.
Normal users max User process value is not valid and needs to modify the value in the/etc/security/limits.d/20-nproc.conf file.

If you use the * number to make the global user effective is constrained by the size of the Nproc value in file/etc/security/limits.d/20-nproc.conf, and if it is only for a user, it is not affected by the size of the Nproc value of the file.

Modified to:

• Soft Nproc 65535

Shell request failed on channel 0