<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif"><br></div></div><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">[user@host ~]$ systemctl poweroff<br>
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==== AUTHENTICATING FOR org.freedesktop.login1.set-wall-message ====<br>
<br>
Authentication is required to set a wall message<br>
<br>
Authenticating as: root<br>
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Password<br></blockquote></div></div></blockquote><div><div class="gmail_default" style="font-family:arial,sans-serif"></div></div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">UPDATED: </div><div><div class="gmail_default" style="font-family:arial,sans-serif">some of folks just kindly remind me that polkit configuration will be the key, </div><div class="gmail_default" style="font-family:arial,sans-serif">I've some quick tests over it </div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">| command                       |    response                   |</div><div class="gmail_default" style="font-family:arial,sans-serif">|systemctl reboot  locally |  reboot without prompt |</div><div class="gmail_default" style="font-family:arial,sans-serif">|systemctl halt  locally      |  halt with prompt          |</div><div class="gmail_default" style="font-family:arial,sans-serif">|systemctl reboot  via ssh |  reboot with prompt     |</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><br></div><div><div class="gmail_default" style="font-family:arial,sans-serif">so the case should not be worse than i think, at least you can't do it remotely. </div><div class="gmail_default" style="font-family:arial,sans-serif">might consider it a small flaw when you use it as PC rather as server.</div><div class="gmail_default" style="font-family:arial,sans-serif">also thank you for sharing such good resources :) </div><br></div><div><br></div><div><br></div><div><br></div></div><div><br></div>-- <br><div dir="ltr" class="gmail_signature">Liu An <br></div></div>