I tried that yesterday, but just tried again and it works now. From: syslog-ng <syslog-ng-bounces@lists.balabit.hu> on behalf of "Budai, László" <laszlo.budai@balabit.com> Reply-To: Syslog-ng users' and developers' mailing list <syslog-ng@lists.balabit.hu> Date: Friday, August 25, 2017 at 8:53 AM To: Syslog-ng users' and developers' mailing list <syslog-ng@lists.balabit.hu> Subject: Re: [syslog-ng] laszlo_budai Key expired Hi, try to download the Release.key again, then re-run apt-get update wget http://download.opensuse.org/repositories/home:/laszlo_budai:/syslog-ng/xUbu... apt-key add Release.key apt-get update regards, Laszlo Budai On Wed, Aug 23, 2017 at 7:56 PM, Clayton Dukes <cdukes@logzilla.net<mailto:cdukes@logzilla.net>> wrote: Are you guys aware of this? W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://download.opensuse.org/repositories/home:/laszlo_budai:/syslog-ng/xUbu... ./ Release: The following signatures were invalid: KEYEXPIRED 1503496621 W: Failed to fetch http://download.opensuse.org/repositories/home:/laszlo_budai:/syslog-ng/xUbuntu_16.04/./Release.gpg<http://download.opensuse.org/repositories/home:/laszlo_budai:/syslog-ng/xUbuntu_16.04/Release.gpg> The following signatures were invalid: KEYEXPIRED 1503496621 W: Some index files failed to download. They have been ignored, or old ones used instead. [cid:image001.png@01D31D97.D7076690] Clayton Dukes Founder & CEO LogZilla Corporation 2900 N. Quinlan Park Rd, B240-341 Austin, TX, 78732 Tel: 936-4NetOps (463-8677) Web: www.logzilla.net<http://www.logzilla.net/> [cid:image002.png@01D31D97.D7076690]<https://twitter.com/logzilla>[cid:image003.png@01D31D97.D7076690]<https://youtu.be/drg5wv_mgfA>[cid:image004.png@01D31D97.D7076690]<https://www.linkedin.com/in/lzcdukes/> For NetOps, By NetOps! ______________________________________________________________________________ Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng Documentation: http://www.balabit.com/support/documentation/?product=syslog-ng FAQ: http://www.balabit.com/wiki/syslog-ng-faq