PTY allocation request failed on channel 0

 

                                      PTY allocation request failed on channel 0


We are facing "PTY allocation request failed on channel 0" error when we try to ssh from one server to remote server.


Above issue will get resolved by using below steps.


#rm -rf /dev/ptmx

#rmknod /dev/ptmx c 5 2

#chmod 666 /dev/ptmx

#umount /dev/pts

#rm -rf /dev/pts

#mkdir /dev/pts

#mount /dev/pts


After changes issue has been resolved.

Posted in: Linux