Limit the number of user logins

src/freedombone-utils-setup

@@ -393,6 +393,22 @@ function set_max_login_tries {
     fi
 }
 
+function limit_user_logins {
+    # overall max logins
+    if ! grep '* hard maxsyslogins' /etc/security/limits.conf; then
+        echo '* hard maxsyslogins 10' >> /etc/security/limits.conf
+    else
+        sed -i 's|hard maxsyslogins.*|hard maxsyslogins 10|g' /etc/security/limits.conf
+    fi
+
+    # Max logins for each user
+    if ! grep '* hard maxlogins' /etc/security/limits.conf; then
+        echo '* hard maxlogins 2' >> /etc/security/limits.conf
+    else
+        sed -i 's|hard maxlogins.*|hard maxlogins 2|g' /etc/security/limits.conf
+    fi
+}
+
 function setup_firewall {
     function_check create_completion_file
     create_completion_file
@@ -587,6 +603,9 @@ function setup_utils {
 
     function_check admin_user_sudo
     admin_user_sudo
+
+    function_check limit_user_logins
+    limit_user_logins
 }
 
 function setup_email {