Archiv der Kategorie: Ubuntu

Disable Hugepages on Linux yields huge speed improvements for VMWare Workstation

I recently have found a solution to very nasty bug. On my Ubuntu Linux development laptop, I run several virtual machines. I had to use VMWare Workstation for a project for one client of mine. I use quite heavy applications like IntelliJ IDEA (for Java Backend development), VMWare, Chrome, Firefox, Thunderbird for E-Mail and everything runs simultaneously.

Disable Hugepages on Linux yields huge speed improvements for VMWare Workstation weiterlesen

Upgrade to Ubuntu 14.04 LTS – All you need to know

Ubuntu 14.04 Trusty Tahr is out! If you want to upgrade to the lastest and greatest version of the Ubuntu Linux operation system you might want to follow this guide! I’ve described the process in great detail showing the complete upgrade process with screenshots to just follow along.

Upgrade to Ubuntu 14.04 LTS – All you need to know weiterlesen

Upgrade to Ubuntu 13.10 Saucy Salamander fast and hassle free!

Ubuntu 13.10 Saucy Salamander is out! If you want to upgrade to the lastest and greatest version of the Ubuntu Linux operation system you might want to follow this guide! I’ve described the process in great detail showing the complete upgrade process with screenshots to just follow along or watch the screencast.

Upgrade to Ubuntu 13.10 Saucy Salamander fast and hassle free! weiterlesen

Optimize your PNG/JPEG images with no quality-loss in minutes!

Hi, have you ever woundered from time to time if all those gigabyte of images on your hard drive really need to be all that big?!

Normally, if you compress images, you lose quality. If you want to keep optimal quality you will normally end up with big files. So you either have to sacrifice quality or file size. If you are interested on how to get both, read on!

Optimize your PNG/JPEG images with no quality-loss in minutes! weiterlesen

Quick Hint: How to save energy in Linux by turing your screen off when locking

Hi!

In my office I frequently lock my screen when I leave my desk. I found out, after pressing the Screen locking shortcut in Ubuntu 13.04 (and the versions before) the screen goes black but is still turned on and therefor consumes more energy than necessary. I hate wasting resources (and battery life) so I began to look for a solution…

Quick Hint: How to save energy in Linux by turing your screen off when locking weiterlesen

Upgrade to Ubuntu 13.04 Raring Ringtail in less than 20 minutes without problems

Do you want to upgrade to the lastest and greatest version of the Ubuntu Linux operation system? You want to do the upgrade fast and avoid any hassles? Then, this guide is for you!

Upgrade to Ubuntu 13.04 Raring Ringtail in less than 20 minutes without problems weiterlesen

Wipe „.DS_Store“ and other resource fork files from disk

Imagine this:

You get some files from a friend or you just copy over some stuff from your Mac to your other computer running Windows or Linux. Harddisk, USB or external storages are polluted by these files. How to clean up the mess?

Wipe „.DS_Store“ and other resource fork files from disk weiterlesen

Guide: Upgrade Ubuntu from 12.04 LTS Precise Pangolin to 12.10 Quantal Quetzal

Hey folks,

Ubuntu 12.10 with the codename Quantal Quetzal was released yesterday. I am very excited to go through the neccesary steps for the upgrade. You guys who might be thinking about an update will be shown exactly what the process will look like. I will be using the „desktop“ tools to upgrade within the Unity environment. More tech savyy users might want to use the console only.

Guide: Upgrade Ubuntu from 12.04 LTS Precise Pangolin to 12.10 Quantal Quetzal weiterlesen

Upgrade Ubuntu from 11.10 Oneiric Ocelot to 12.04 LTS Precise Pangolin

Hey folks,

as you might know: Ubuntu 12.04 LTS, codenamed Precise Pangolin, was released today. I just want to show you how to upgrade your Ubuntu installation from version 11.10 to the latest 12.04. I will include screenshots (german) which will guide you through the process.

Upgrade Ubuntu from 11.10 Oneiric Ocelot to 12.04 LTS Precise Pangolin weiterlesen