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SUSE/OpenSUSE Leftovers

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  • Telegram Bridge - Zoltán's Blog

    I got lucky with my original hackweek project and I have managed to set up my Leap 15.3 based NAS and private cloud running on NextCloud earlier than planned.
    So I though that as an extra project I will set up a proper system monitoring service. The monit service is very handy (thanks for the idea to Paolo Stivanin) but by default it wants to send emails when something goes wrong. Instead of emails I would prefer a real instant message. I am using mostly Telegram for personal purposes. Sure I am using Signal, Matrix, Slack and Rocket.Chat too and technically I have WhatsApp account too. But I decided to start with Telegram.
    Installing and configuring monit was easy and quick. The monit is using so called alert where it can execute any shell command.

  • SUSE Sponsors 300 Scholarships in Cloud Native Education
  • Upgrading to the next PostgreSQL version

    We upgraded our internal PostgreSQL cluster to the latest version last week.

    Time passes by so quickly: we installed our PostgreSQL cluster around 2008. At least, this was the time of the first public MirrorBrain release 2.2, which was the reason to run a PostgreSQL installation for openSUSE. But MirrorBrain (and therefor the PostgreSQL cluster behind it) is way older. So maybe it’s fair to say that MirrorBrain started with openSUSE in 2005…?

    Anyway: if you maintain a database for such a long time, you don’t want to loose data. Downtimes are also not a good idea, but that’s why we have a cluster, right?

    While the MirrorBrain database is currently still the biggest one (>105GB in size and ~120 million entries alone in the table listing the files on the mirrors), our new services like Matrix, Mailman3, Gitlab, Pagure, lnt or Weblate are also not that small any more. All together use currently 142GB.

    We already upgraded our database multiple times now (starting with version 7. in the past). But this time, we decided to try a major jump from PostgreSQL 11 to 13, without any step in between.

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