KrackHack

This is the default purple background while login on my ubuntu 18.04...                                    Default ubunut 18.04 login background This blog is going to show you how to change the purple login screen background on your ubuntu 18.04. After getting into lots of trouble and almost breaking my OS i was able to change it to something spidery which you can see in the video below. Links for the wallpapers that i've used are given at the end of this blog, you can download them if you want the same feel as shown in the video or be ready with your own png format images that you wanna see behind login screen. NOTE: sorry for the folks who won't be able to play the clip in their firefox browser..i suggest to use google chrome for that. if you're on windows, firefox uses the Media Foundation to decode MP4 video...

Note: To upgrade your os to Bionic Beaver(18.04) you must have prior version of ubuntu 17.10 or the last long time support(LTS) version 16.04 . error "Target configured multiple times" fixed. scroll down to see the solution. UBUNTU 18.04 Bionic Beaver         To upgrade to the latest version you must have the root privileges or you can use sudo command with the administrator password. For ubuntu 18.04 LTS the support will be provided till  2023 . steps to upgrade to 18.04:-   $sudo apt update $sudo apt upgrade  Now that you are upgraded to 18.04 you should remove the duplicate packages using following command:   -$sudo apt dist-upgrade   dist-upgrade in addition to performing the function of upgrade, also intelligently handles changing dependencies with new versions of packages; apt-get has a "smart" conflict resolution system, and it will attempt to upgrade the most important packages at the...