create user and disable password auth

create_sudo_user.sh

@@ -0,0 +1,10 @@
+# Pass an argument with the username and that will be created and added to the sudo group
+
+no_argument_was_passed=false; [ -z "$1" ] && no_argument_was_passed=true
+$no_argument_was_passed && echo "No username has been passed" && return
+
+USERNAME=$1
+echo "Creating user $USERNAME"
+adduser $USERNAME
+usermod -aG sudo $USERNAME
+echo "Done"

how_to_disabe_ssh_pwd_auth.txt

@@ -0,0 +1,4 @@
+- Go to file /etc/ssh/sshd_config
+- Find param "ChallengeResponseAuthentication" and set to "no"
+- Find param "PasswordAuthentication" and set to "no"
+