Symptoms
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Tools & Settings > Updates and Upgrades > Update Components hangs with the following error:
The apg-get failed with the following message:
Reading package lists...
Building dependency tree...
Reading state information... -
The command
apt updatefails with the error:# apt update
..........
Reading package lists... Done
E: The repository 'http://dl.google.com/linux/mod-pagespeed/deb stable Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Cause
Bug EXTPLESK-3809 in Google PageSpeed Insights extension: PageSpeed module for Apache is incorrectly signed on the side of the repository maintainer
Resolution
Until the fix is released use the following workaround:
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Connect to the server via SSH
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Find the repository configuration file, e.g.:
# grep -ir pagespeed /etc/apt*
/etc/apt/sources.list.d/mod-pagespeed.list:deb http://dl.google.com/linux/mod-pagespeed/deb/ stable main -
Remove the repository configuration file found during the previous step:
# mv /etc/apt/sources.list.d/mod-pagespeed.list ~/
-
Update APT indexes:
# apt update