fix harden sudo ln timezone

lib/harden.sh

@@ -138,7 +138,7 @@ function set_timezone_if_defined {
     if ! grep -q "$timezone" /etc/timezone; then
       if [[ -f "/usr/share/zoneinfo/$timezone" ]]; then
         echo "set timezone to $timezone ..."
-        ln -fs "/usr/share/zoneinfo/$timezone" /etc/localtime
+        sudo ln -fs "/usr/share/zoneinfo/$timezone" /etc/localtime
         dpkg-reconfigure -f noninteractive tzdata
         echo OK
       else

lib/install.sh

@@ -427,9 +427,6 @@ function ask_for_email {
     local PREFIX="install:ask_for_email"
     valid_email=$(auto_detect_email)
 
-    #TODO: to delete...
-    # echo "valid_email=$valid_email" && exit 1
-
     while ! is_email_valid "$valid_email"; do
         echo -n "mandatory email: "
         read -rei "$valid_email" valid_email

scripts/lxc-miaou-enable-ssh

@@ -63,9 +63,12 @@ EOF
     lxc exec "$CONTAINER" -- mkdir -p "/home/$SSH_USER/.ssh"
     lxc exec "$CONTAINER" -- chown "$SSH_USER:$SSH_USER" "/home/$SSH_USER/.ssh"
     lxc exec "$CONTAINER" -- chmod 760 "/home/$SSH_USER/.ssh"
-    lxc file push --uid 0 --gid 0 "/home/$miaou_user/.ssh/id_ed25519.pub" "$CONTAINER/home/$SSH_USER/.ssh/authorized_keys" &>/dev/null
-    lxc exec "$CONTAINER" -- chown "$SSH_USER:$SSH_USER" "/home/$SSH_USER/.ssh/authorized_keys"
-    lxc exec "$CONTAINER" -- chmod 600 "/home/$SSH_USER/.ssh/authorized_keys"
+
+    if [[ -f "/home/$miaou_user/.ssh/authorized_keys" ]]; then
+        lxc file push --uid 0 --gid 0 "/home/$miaou_user/.ssh/authorized_keys" "$CONTAINER/home/$SSH_USER/.ssh/authorized_keys" &>/dev/null
+        lxc exec "$CONTAINER" -- chown "$SSH_USER:$SSH_USER" "/home/$SSH_USER/.ssh/authorized_keys"
+        lxc exec "$CONTAINER" -- chmod 600 "/home/$SSH_USER/.ssh/authorized_keys"
+    fi
 
     echo "create symbolic link for curl from TOOLBOX as required for Codium remote-ssh"
     lxc exec "$CONTAINER" -- ln -sf /TOOLBOX/curl /usr/bin/