Question 38426 in Ubuntu Question posted in
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-e: command not found after SSH banner – Ubuntu

Im getting below error printed while doing SSH to an ubuntu 20 server. no remote command is executed over ssh.

ubuntu@ip-x-x-x-x:~$ /usr/bin/ssh [email protected]
###############################################################
#                 Authorized access only!                     #
# Disconnect IMMEDIATELY if you are not an authorized user!!! #
#         All actions Will be monitored and recorded          #
###############################################################
Last login: Thu Dec  8 05:58:57 2022 from x.x.x.x
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
-e: command not found
ubuntu@given-hostname:~$

Nothings on profile.d or ssh configs that I could find. Does anyone know the source to look for?

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2

Answers


  1. 0

    When you login to remote server – the shell’s log in script is executed (it’s located in /home/user/ if you ssh to user@remote, i.e. on given-hostname->/home/ubuntu when ubuntu@given-hostname).

    You can check what shell is executed for that user on remote host:

    $ cat /etc/passwd | grep user
$ user:x:1000:1000::/home/user:/bin/bash

    If it’s bash, the ~/.profile ~/.bashrc ~/.bash_profile are executed (on remote host) on login and in your case some of these contain some command that produces "-e: command not found" – it’s impossible to say which without looking into that script files. Check mentioned files for line(s) containing "-e".

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  2. 0

    It’s a common issue if you use -e flag with echo in bash scripts and then call it with sh, it’s for enabling interpretation of backslash escapes, like echo -e "e[0;32mThis text will be green.e[0m", but this option is default in sh so it can’t understand it.

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