Archiv der Kategorie: Techologie

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

Litecoin mining – guide for perfect setup wanted ?

I’m currently all into Litecoin mining and find the cryptocurrency world very exciting! I am in the process of finishing my very first litecoin mining rig and encountered some obstacles along the way. Mostly supply equippment which obviously seems to be easy to get in the U.S. like plastic crates from amazon or pci express riser cables. I found them very hard to get here in Germany.

Litecoin mining – guide for perfect setup wanted ? weiterlesen

Microsoft PLEASE! Rip off these three features from other operating systems!

I admit it! I’ve used Microsoft DOS and Windows for 12 years and was quite happy with it back at that time! I think, I personally and the worls ows Microsoft a lot by making personal computing available to the masses. I’m even a shareholder! I was happy with Windows, but in 2005 I became fascinated by Linux.

Microsoft PLEASE! Rip off these three features from other operating systems! 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