I am trying to connect to forticlient vpn and I am receiving the following error message:
forkpty: No such file or directory
an extraction of the log is given below:
Apr 30 18:05:33 new-host-2 NetworkManager[1400]: <info> VPN service 'fortisslvpn' started (org.freedesktop.NetworkManager.fortisslvpn), PID 8733
Apr 30 18:05:33 new-host-2 NetworkManager[1400]: <info> VPN service 'fortisslvpn' appeared; activating connections
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: <info> VPN connection 'E8VPN' (ConnectInteractive) reply received.
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: ** Message: openfortivpn started with pid 8745
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: <info> VPN plugin state changed: starting (3)
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: <info> VPN connection 'E8VPN' (Connect) reply received.
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: INFO: Connected to gateway.
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: INFO: Authenticated.
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: INFO: Remote gateway has allocated a VPN.
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: ERROR: forkpty: No such file or directory
Apr 30 18:05:39 new-host-2 NetworkManager[1400]: INFO: Closed connection to gateway.
Apr 30 18:05:40 new-host-2 NetworkManager[1400]: INFO: Logged out.

Permissions issue?

https://github.com/mobile-shell/mosh/issues/718

I am still getting the same error, after changing the permissions to /dev/ptmx and /dev/pts/ptmx

Ok. As root, find out where forkpty is in your system and then look at the permissions of all the directories above it in the hierarchy to determine if it is available to the user running the program.

you mean by 'which forkpty'?
if so there appears to be no forkpty even when I am logged in as root. I saw forkpty is part of glibc. I updated glibc. I have glibc2 which I had before as well, according to man page this should be ok.

No, I mean by using the find command (looking for both files and directories).

I am not succeeding in finding it anywhere

Are you searching as root?

yes