devops ⁽¹⁶⁾

Absolutely awesome application for P2P Video Chat, written in C++. Check it out on Github This is easy to compile on OSX and to start video chat in less than minute. Please follow instructions of github readme. Have fun!

This blogpost is continuation of Wowza powered by M3 and G2 instances on AWS. GPU is absolutely awesome piece of engineering. It extremely speed up computation which can be parallelized. Media transformation is that case. If we need to transcode…

Absolutely awesome application for weather forecast, written in Go. Check it out on Github

Meteor preparation Go to your meteor project folder: $ meteor bundle myproject.tar.gz $ tar -xf myproject.tar.gz $ cd bundle/ Reinstall fibers $ cd programs/server $ npm uninstall fibers $ sudo npm install fibers $ cd ../../ Heroku preparation Node.js Create package.json file.

After few months of hard work with new approach to infrastructure deployment I can say that the choice of using Puppet was very good. We reached our goals like: If you are interested in puppet please have a look on open…

Why? If you work in scale, If you manage multiple application in multiple environments, If you automate any tasks using Capistrano then try a handy solutions which will improve and extend your workbench. Real-life scenario There are many automated tasks…

During last two days I have developed very minimalistic the Mongo MMS API ruby client which is easily extendable as mms-api gem (source code on github so please contribute). The client is used by me to extend Pulsar (capistrano) tasks…

Almost every software developer could say a few words about MongoDB. We could say scalability and replication out of the box, easy for clustering... and yes, this is true but to achieve that point there are many things to do!…

During migration from bare metal servers to cloud VMs I have met some problem with performance of puppet services. Basically every puppet-agent run consumes a lot of resources like CPU and memory. For any small box at AWS, Softlayer or…

My DevOps team decision to drop NFS took a while. The biggest problem was that we could not isolate issues with NFS server when we reached some level of application load. NFS was the main data storage for photos, videos,…

If you manage large farm of servers then most probably you experienced performance problems time to time. To solve puppetmaster problems with handling many of concurrent SSL connections the best solution is switch from WEBrick to Apache2 as gateway for…

After few hours of playing with Heroku and UptimeRobot I decided to move my blog (WordPress) and website (PHP) to new hosting cloud. So now it is running for free. Hopefully will be stable... Useful resources: https://github.com/mhoofman/wordpress-heroku https://github.com/mchung/heroku-buildpack-wordpress https://wordpress.org/plugins/wp-s3/

I am pleased to announce that me and my team released very useful and elegant open source tool/agent for server monitoring. Bipbip is an agent written in ruby to collect server metrics and send them to the CopperEgg RevealMetrics platform. There are…

I have just received new Jolla phone (more at www.jolla.com). I had to wait almost 4 weeks but I think it was worth it! All I can say on this point is that I love "developer mode". It gives perfect gateway…

Meteor preparation Go to your meteor project folder: $ meteor bundle myproject.tar.gz $ tar -xf myproject.tar.gz $ cd bundle/ Reinstall fibers $ cd programs/server $ npm uninstall fibers $ sudo npm install fibers $ cd ../../ Heroku preparation Node.js Create package.json file.

1. Required tools netcat brew install netcat nodejs brew install node websocket tools npm install websocket-upgrade Chrome browse 2. Starting netcat as "server" on localhost, port 8080 $ nc -lcvv localhost 8080 3. Creating websocket using chrome developer console var…