vscode-extension-dotnet-fastiot/bashscript/changeconfigssh.sh at master · devdotnetorg/vscode-extension-dotnet-fastiot · GitHub

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#!/bin/bash
# Run:
# chmod +x changeconfigssh.sh
# ./changeconfigssh.sh

set -e #Exit immediately if a comman returns a non-zero status

echo "Run: changeconfigssh.sh"
echo "Changing settings in /etc/ssh/sshd_config"

#After creating a user:
#/etc/ssh/sshd_config
#PubkeyAuthentication yes
#ChallengeResponseAuthentication yes
#AuthenticationMethods publickey password

filename="/etc/ssh/sshd_config"

#run
sudo sed -ri "s|^#?PubkeyAuthentication\s+.*|PubkeyAuthentication yes|" $filename

sudo sed -ri "s|^#?ChallengeResponseAuthentication\s+.*|ChallengeResponseAuthentication yes|" $filename

sudo sed -ri "s|^#?AuthenticationMethods\s+.*|AuthenticationMethods publickey password|" $filename

#add

if sudo grep -Fxq "PubkeyAuthentication yes" $filename
then
    echo "String exists: PubkeyAuthentication yes"
else
	#newline
	sudo sh -c "echo '\n' >> $filename"
    echo "Adding a line: PubkeyAuthentication yes"
	sudo sh -c "echo 'PubkeyAuthentication yes' >> $filename"
fi

if grep -Fxq "ChallengeResponseAuthentication yes" $filename
then
    echo "String exists: ChallengeResponseAuthentication yes"
else
	#newline
	sudo sh -c "echo '\n' >> $filename"
    echo "Adding a line: ChallengeResponseAuthentication yes"
	sudo sh -c "echo 'ChallengeResponseAuthentication yes' >> $filename"
fi

if grep -Fxq "AuthenticationMethods publickey password" $filename
then
    echo "String exists: AuthenticationMethods publickey password"
else
	#newline
	sudo sh -c "echo '\n' >> $filename"
    echo "Adding a line: AuthenticationMethods publickey password"
	sudo sh -c "echo 'AuthenticationMethods publickey password' >> $filename"
fi

#reload
echo "Reload ssh"
sudo systemctl reload ssh
sudo systemctl status ssh

echo "Successfully"