How to fix EOF errors?

Question

linux

Hello.

The script should create a username and password on the remote computer, but when the script is run, errors appear:

[[email protected] ~]$ ssh [email protected] 'bash -s' < setup-lnxcfg-user
[email protected]'s password:
bash: line 5: $'\r': command not found
bash: line 53: warning: here-document at line 23 delimited by end-of-file (wanted `EOF')
bash: line 54: syntax error: unexpected end of file

The script itself:

#!/bin/bash
# setup-lnxcfg-user
# create lnxcfg user for Ansible automation
# and configuration management

# create lnxcfg user
getentUser=$(/usr/bin/getent passwd lnxcfg)
if [ -z "$getentUser" ]
then
  echo "User lnxcfg does not exist.  Will Add..."
  /usr/sbin/groupadd -g 2002 lnxcfg
  /usr/sbin/useradd -u 2002 -g 2002 -c "Ansible Automation Account" -s /bin/bash -m -d /home/lnxcfg lnxcfg
  
echo "lnxcfg:5555555555" | /usr/sbin/chpasswd

mkdir -p /home/lnxcfg/.ssh

fi

# setup ssh authorization keys for Ansible access 
echo "setting up ssh authorization keys..."

cat << 'EOF' >> /home/lnxcfg/.ssh/authorized_keys
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC8qmzR/QSI1VYhv4iPpCxmIvHBP4X6pvk2UfX3mepgaEtobkTyM2RiNrqf22dpcY/f [email protected]
EOF

chown -R lnxcfg:lnxcfg /home/lnxcfg/.ssh
chmod 700 /home/lnxcfg/.ssh

# setup sudo access for Ansible
if [ ! -s /etc/sudoers.d/lnxcfg ]
then
echo "User lnxcfg sudoers does not exist.  Will Add..."
cat << 'EOF' > /etc/sudoers.d/lnxcfg
User_Alias ANSIBLE_AUTOMATION = lnxcfg
ANSIBLE_AUTOMATION ALL=(ALL)      NOPASSWD: ALL
EOF
chmod 400 /etc/sudoers.d/lnxcfg
fi

# disable login for lnxcfg except through 
# ssh keys
cat << 'EOF' >> /etc/ssh/sshd_config
Match User lnxcfg
        PasswordAuthentication no
        AuthenticationMethods publickey
    
EOF

# restart sshd
systemctl restart sshd

# end of script

If anything, here is the original article https://medium.com/@brad.simonin/learning-ansible-...

Answer 1

I feel that you typed the script under Windows. You need to convert invisible end-of-line characters from vend format to unix format. The dos2unix program is perfect for this.