Fix for Gentoo: The ebuild phase ‘die_hooks’ has been aborted
If you’ve seen following error while emerging some package, than be sure this is a bug in portage. Just append to make.conf, and it should work again.
how-to
MySQL JSON diff
Simple function that compares two JSON structures (on 1st level only), and returns old values for changed keys. I’m using it to track table changes via before update trigger.
MariaDB Master-Slave replication checklist
This is MariaDB (MySQL) checklist for setting up Master-Slave replication.
Partitions of LVM logical volume
Quick how-to for registering and unregistering partitions on LVM logical volume (yes, event that is possible ;).
TUN in LXC unprivileged container
VPN in container requires tun/tap device – if you don’t have one you have to create it with mknod command. But, there is the problem – in the LXC (Proxmox) unprivileged container is mknod (as syscall) not allowed, because this would introduce possible security problems (see this article).
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…
TINC VPN config generator
tinc is a great mesh Virtual Private Network daemon, with just one little glitch (and also some little crypto problems ;-). I find its configuration really tedious and complicated compared to OpenVPN and its possibility to centrally assign IP addresses and push options to clients. I know, that’s the tax for being mesh, but wouldn’t […]
Beelink Android TV box + Harmony remote
Here is my solution for making Amlogic S812 based Beelink MXIII Plus Android TV Box work with Logitech Harmony universal remote. It’s based on solution described on this forum post, but modified to make it easier to use (if your Harmony remote is able to learn new IR commands).
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 […]