About

Hi!

This is just another programmer personal blog. It contains various interesting things from information technologies world, which I would like to share with you, such as:

and others

Read, comment, criticize or thank, if you find something useful.

You’re welcome!

Fault tolerant PostgreSQL cluster with automatic failover using Repmgr and Barman. Part 1. Introduction.

Right off the bat, this is what you'll get in the end: Synhronous standby server using repmgrRepmgr daemons running not… Read more…
Oracle DB. Changing and fixing query execution plan using dbms_spm.

Oracle Query Optimizer generally works well, but sometimes it makes your fast and polished queries slow down. Often, you can… Read more…
Running QEMU VM with the latest kernel inside 2.6 OpenVZ container.

There are many of cheap NAT OpenVZ VPSes on market. However, OpenVZ virtualization has certain limitations and comes with old… Read more…
nDPI as iptables module(ndpi-netfilter) on Orange PI.

There are many OpenDPI based implementations and their versions. There are many ndpi-netfilter implementations and versions too. But I found… Read more…
DBMail over PostgreSQL + Postfix + SASL on Debian. Part 1. Introduction.

Databases are bad for email. Howbeit, sometimes you really don't need fast mailing system, but want to use an existing… Read more…