Unable to open ssh session
How to solve the error "Unable to open session" while trying to SSH?
Overview: This article helps gateway users to resolve the error "Unable to open session" while trying to SSH.
Step 1: Ensure that SELinux is disabled on the gateway server as well as on the remote or target host. Check the status of SELinux using following command.
root@gateway:~# sestatus
Step 2: If SELinux is enabled, try disabling it and after disabling reboot the machine.
root@gateway:~# vi /etc/selinux/config
SELINUX=disabled
Step 3: If this is still unresolved, check for error messages in /var/log/secure , /var/log/messages, /var/log/audit/audit.log
Step 4: Check the ezsh log of the gateway user from the gateway server.
root@gateway:~# tail /home/username/ezsh.log