Running CoreOS in EC2 Autoscaling Group
My life managing systems, especially distributed, has gone much easier since I started using more and more of CoreOS awesomeness.
All Posts
2014
HAProxy Logging to Syslog in JSON
HAProxy is amazing piece of software. It is rock solid, extremely flexible and has been proven by many companies which depend on it.
Systemd Journal Logging Inside Docker Container
There are a lot of companies which are still discovering puppet, chef or saltstack. Sadly, there are ones which are yet to discover configuration management....
2013
DevOps for Building Shippable Code
The word DevOps has been out there for a while. Some believe it is just a buzz word, others - it’s a work culture and recruiters insist that it’s a job posit...
ElasticSearch and Logstash Tuning
I was slightly familiar with elasticsearch and logstash before at a very minimum level. But just a couple of days ago I had a chance to play with both toys a...
Making Ubuntu a Better Place
I will try to be open minded here as much as I can. I am a huge fan of rpm-based Linux distributions, such as Fedora and CentOS/RHEL. They are super clean, s...
2012
Linux And Samsung Series 9 Laptop Fn Keys
This is a follow up post to my previous post on pretty much the same topic. The main reason I am writing again is that there are still a lot of people confus...
2011
Fedora 16 Linux on Samsung Series 9 (NP900X3A) Laptop
Few words for a warm-up
HOWTO Log Bash History to Syslog
I will show you a very nice and non-intrusive way how to log bash history to a syslog. You may wonder what problem I was trying to solve? Right, the issue is...
Free DNS Hosting - What Happened?
You may wonder why I am writing about yet another free DNS hosting service, after all there are quite a few of them out there already.
Starting Kickstart installation via GRUB
Intro
Howto Rebuild CentOS 6.0 Linux Kernel
Here is a quick step by step tutorial howto rebuild a CentOS 6 kernel (it may work with older CentOS). WARNING: never build RPMS as root!!!
Persistent iSCSI LUN Device Name
I spent a bit of time figuring out how to get this achieved, so thought it is worth noting for the future reference. I will try to make this quick assuming y...
Desperate for CentOS 6!
If you are also very desperate for CentOS 6.0 as I am, you might find the below one-line script useful to check if any of the official CentOS mirrors has got...
Howto Setup an Asterisk PBX Server
Introduction
Monitoring Multiple Clusters using Ganglia
First of all, let me introduce roughly what Ganglia is. Ganglia is a scalable distributed monitoring system for high-performance computing systems such as cl...
Counting NEW Connections per Second on a Linux Firewall
Thought I will write a tiny post about how to easily monitor NEW (or any other state) connections per second on a Linux firewall. The approach I have chosen ...
Howto to Build a Diskless Linux Cluster
Intro
Hello World!
As everyone else, the very first step in programming and probably in blogging world is a Hello World thing, so I am going to do the same.