Postgresql upgrade checklist

Checklist for major postgresql database upgrade: shutdown standby servers on each standby perform pg_upgrade shutdown master perform pg_upgrade if pg_upgrade fails on postgres database with encoding mismatch, re-init database with initdb start master verify master is ok check if recovery.conf present in slave datadir start slaves one-by-one check if slaves are live and recovering if […]

Setting up own mail server

This post describes all the things you will have to do, after (or before) installing and configuring your mail server, because that is where it all starts. Without it, you might have problems sending mail, because remote domains might think your server sends spam or is not delegated to send emails for your domain…

Fixing android.process.media has stopped on Lollipop

Another fix for “The process android.process.media has stopped unexpectedly…” that can (also) appear after you upgrade to Lollipop (Android 5.0) from some lower Android version without doing factory reset. Try to uninstall “DRM Protected Content Storage” app via Settings -> Apps. In my case, this was a left-over of Android 4.3, and android.process.media had some […]