Publishing CNAME to Avahi over DBUS requires long lived process

I am attempting to setup CNAMEs in Avahi in order to broadcast multiple hostnames. I’ve found a variety of examples online that all work but they all require long lived processes: https://github.com/Dalee/avahi-cname-aliases/blob/master/avahi_cname_aliases/init.py#L83 # run and stay foreground def run(self): self.set_handlers() self.load_aliases() self.publish_aliases() # keep aliases published while self.running: time.sleep(TTL) https://github.com/george-hawkins/avahi-aliases-notes/blob/master/avahi-alias#L48 for name in sys.argv[1:]: publish_cname(name)…

Apache connections stuck on “sending reply” and high mysql load

Apache on my dedicated server constantly hangs due to connections being stuck in a state of “sending reply”: Apache status: connections stuck in “Sending Reply” This happens at least several times a day – sometimes it won’t happen for 2 or 3 hours, sometimes it’ll happen constantly to the point where all connections will be…

http.sys LimitExceeded error

We have an ASP.NET Core 3.0 application hosted behind IIS on Windows Server 2016. Under heavy load (5,000+ concurrent users) we start to get 503 errors with the message “The service is unavailable.” I checked the logs at %SystemRoot%\System32\LogFiles\HTTPERR and realized they are mostly due to ‘LimitExceeded’. Here’s some sample data: 2019-11-22 20:36:33 5.119.159.122 51429…

RFC 5321 requires my SMTP server with the Enhanced-Status-Codes service extension to reply with “250 OK”

RFC 2034 4. The Enhanced-Status-Codes service extension Servers supporting the Enhanced-Status-Codes extension must preface the text part of almost all response lines with a status code. As in RFC 1893, the syntax of these status codes is given by the ABNF: status-code ::= class “.” subject “.” detail class ::= “2” / “4” / “5”…