Bash_Scripts/SSH/Create-Remote-User.bash

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2021-07-28 09:32:08 -05:00
#!/bin/bash --posix
set -e
# Remote System
REMOTE_SSH_SERVER=Kansas-5800X
REMOTE_HOST_NAME=208.110.85.242
REMOTE_USER_TO_CREATE=Arma
# Local System
SSH_FILE_DIRECTORY=~/.ssh
SSH_FILE_NAME=${REMOTE_USER_TO_CREATE}-id_edcsa
SSH_FILE=${SSH_FILE_DIRECTORY}/${SSH_FILE_NAME}
SSH_HOST=Kansas-5800X
ssh-keygen -b 521 -t ECDSA -f ${SSH_FILE} -N ""
chmod 600 ${SSH_FILE}
PUB_KEY_CONTENTS=$(cat ${SSH_FILE}.pub)
ssh ${REMOTE_SSH_SERVER} /bin/bash << EOF
useradd ${REMOTE_USER_TO_CREATE}
mkdir /home/${REMOTE_USER_TO_CREATE}/.ssh
touch /home/${REMOTE_USER_TO_CREATE}/.ssh/authorized_keys
echo ${PUB_KEY_CONTENTS} >> /home/${REMOTE_USER_TO_CREATE}/.ssh/authorized_keys
chown -R ${REMOTE_USER_TO_CREATE}:${REMOTE_USER_TO_CREATE} /home/${REMOTE_USER_TO_CREATE}/.ssh
EOF
cat << EOF >> ~/.ssh/config
Host ${SSH_HOST}
HostName ${REMOTE_HOST_NAME}
Match user ${REMOTE_USER_TO_CREATE}
Identityfile ${SSH_FILE}
LogLevel INFO
EOF
ssh ${REMOTE_USER_TO_CREATE}@${SSH_HOST} /bin/bash << EOF
mkdir ~/.bin
echo export PATH=$PATH:~/.bin > ~/.bash_profile
EOF
echo
echo "Finished, login via ssh with \"${REMOTE_USER_TO_CREATE}@${SSH_HOST}\""