ClickHouse disk alerts might be your logs, not your data

I kept resizing ClickHouse volumes because of disk alerts. Turns out the log tables were the ones eating the space, not the data.

Software engineering: Should it be a product, or a craft?

I always had strong opinions about the value of craftsmanship, and of product as a kind of fake replica of craft. I still think that product is something falsely glorified in the hyper-commercialized world we live in today, while craftsmanship is the actual value-adding component of everything we build. But

Kubernetes service accounts, and creating kubeconfig for one

Official kubernetes docs say A service account is a type of non-human account that, in Kubernetes, provides a distinct identity in a Kubernetes cluster. Service accounts can be used for providing access both to components inside the cluster and other services from outside the cluster. For example, I use a

Posting to Product Hunt

Product Hunt is the place you'd want to announce your product on. It's a great place where potential early adopters are checking regularly to seek tools to ease tasks that need to be dealt with. In this post, I will share the PH experienced we had.

How to make Ubuntu remember SSH passphrase for git

You have a SSH key you are using for authentication for git and you don't want to type your passphrase in every time you pull or push? Keep reading. I've been struggling for this issue for a long time and I wanted to share a quick

Create your own helper functions on Laravel4

There are some common functions that I need to use on almost every controller but I don't want to write it over and over again in each controller. For this purpose, you create helpers, tell Laravel to look for it and then use it whenever you want, sounds

How to remove Keyboard Layout Indicator on Ubuntu 14.04

Ubuntu 14.04 final beta is made available and final version is expected to be released on April 17. I have been using Arch Linux as my main operating system for a long time but GNOME's being sucky (by being sucky i mainly refer to its "nevermind

Setting a static IP for Arch Linux ARM on Raspberry PI

I was using Pirelli (can't remember the model) router in my home network. Its DHCP server has ability to assign a static sub-ip (eg. 192.168.0.0/24) to a device with a specific mac. I was using this feature to assign static IP to my Raspberry

Enabling Subwoofer of ASUS Notebook on GNU/Linux

Some ASUS notebook models, like N55SF, N56VZ, N75SF and N76VZ, have subwoofer output for more quality bass. When I first bougth the notebook, I didn't pay attention to it at all. After a few days of tampering, I gave it a try. And now sound without extra bass

Re-enabling multimedia buttons on ASUS notebook

A few days ago I updated my Linux kernel to version 3.9.1 (stable version on Arch Linux repositories, not testing or unstable) on my ASUS notebook. After then my multimedia buttons (fn key combinations for setting volume, switching currently playing track etc.) stopped working. I checked dmesg, xev

Minecraft on Arch Linux, Black Screen Problem

Minecraft and Team Fortress 2 are the only video games I play nowadays. Especially Minecraft is really good when your mind gets tired and you want to let yourself go. I installed minecraft from AUR and then launched the game. A black screen welcomed me after login screen. You know,

Remedy to SMTP authentication problem for Virtualmin running on CentOS 6

A few days ago I migrated one of the servers of the company that I am working for from a Debian to a CentOS installation. No the-morning-after calls from customers, no unexpected non-functioning services! Migration was flawless, at least I was thinking so. Yesterday, a customer called complaining about an

Fancy URLs for CodeIgniter (deleting index.php)

CodeIgniter is my favorite PHP framework for web development. It basically provides the tools you need while developing, and nothing more. Nothing fancy, just the basics. Since it doesn't force you to follow a particular path, you are absolutely free to select your own. Today I am going

Changes on Harmony

I've mentioned about my free time's being limited in my previous post about Harmony. When I saw that the most of the time I spent on Harmony was about GUI hassle, I thought "who needs the gui?" and decided to make a working CLI

Installing Ubuntu from USB Drive

I know there is a variety of tutorials about installing Ubuntu from a USB drive. Since Ubuntu doesn't provide hybrid disc images, you need to make some extra effort not to waste a CD per release. What you need is: * A USB drive (larger than 610 mb) (with

Update about Harmony

My spare time is limited -badly- nowadays. So, sorry for not being able to post updates about Harmony. But here some: Harmony couldn't reach the deadline with all planned features. But I had to send a sloppy version of it, at least to have Canonical's t-shirt.

The Ubuntu App Showdown: Harmony - 2

It has been about one week since I started working Harmony, and there are like 3 days until due. There are still some work to be done, but luckily I have a two days free (weekend, YAY!) to focus on Harmony. I think a stable -functioning more important- version will

The Ubuntu App Showdown: Harmony

I've been a bit late to hear that The Ubuntu App Showdown has started and been going on. And because I was on a vacation last week, I have about one week -yes, just one- to get my hands dirty and get something out of dirt. Harmony was

How to make SVN ignore multiple files/folders

Subversion (SVN) is a version controlling system, for those who are not familiar with I need to say. For more information about Subversion, you can visit's here. Making svn ignore some specific files will enable you not to commit the files you choose. I am planning to write

Pairing Logitech Unifying Devices on GNU/Linux

A few weeks ago I bought new mouse and keyboard. Having limited USBs available, I preferred Logitech's new 'Unifying' ones. This unifying feature enables you to use more than one devices by pairing them with a single receiver. After unboxing my new gear, I navigated to

GNOME3 and Audacious 'Jump to Track' Window

Audacious it the audio player I use nowadays. It is not my favorite but I am likely to be using it until the developer of DeaDBeeF answer my call of adding 'Jump to Track' feature*. For those who are not very much into audio players let me explain,

suPHP on CentOS 6

I have different users that have websites reached through different domains. I have been using mpm-itk for making apache run with different user permissions. So that every user can store her own public_html in her own home directory and manage using her own ssh/ftp account. After switching to

Happy sysadmin day!

The cake is a lie?

I wrote about Linux Foundation's celebrating Linux' 20th year before. OK, it is old, here's the news: Microsoft made a video to celebrate Linux' 20th year. Microsoft has always been criticizing and belittling the free software and open source. And now, they make video