Installation instruction

Upload intheshell into /usr/local/bin/

Create user ghost

useradd -m -s /usr/local/bin/intheshell ghost

Remove password for ghost

sed s/ghost::/ghost:U6aMy0wojraho:/g /etc/shadow -i

Allow empty password in sshd and add allowed users (file /etc/ssh/sshd_config) and some security changes

..........
PermitEmptyPasswords yes
PasswordAuthentication yes
..........
AllowUsers ghost

X11Forwarding no
### Disable Subsystem
#Subsystem sftp /usr/lib/openssh/sftp-server
### X11 Forwarding
X11Forwarding no
..........

Disable motd and other stuff on ssh login (not so beautyfull)

chmod -x /etc/update-motd.d/*

Then restart sshd

/etc/init.d/sshd restart