Ubuntu 12.04 LTS is released previously with a lot of new features and removing some features. I installed Ubuntu 12.04 LTS in laptop. I faced a lot of problems with it because of non availability of startup manager in this. I used some new applications which were good.
You also can download Ubuntu 12.04 from it’s official website and install by using cd or Pen drive.
I faced problem in Wifi adapter because it was not detecting my wifi adapter then I googled it and solved this prolem by using ‘rfkill unblock all’ command in Terminal. And you can know the status by ‘rfkill list all’ command.
There was a good option for giving static ip address in which I gave manually ip address , netmask , dns and it worked fully.
I also faced problem in login in root in Ubuntu 12.04 LTS. I searched then found a command
sudo passwd root
sudo sh -c 'echo "greeter-show-manual-login=true" >> /etc/lightdm/lightdm.conf'
I copied and pasted the above command in terminal and restarted the system then there was an option for entering User Name and password. I used User Name ‘root’ and Password whatever I used before for system login.
and if you want to remove that User Name and Password option from there then use this command
sudo passwd root
sudo sh -c 'echo "greeter-show-manual-login=false" >> /etc/lightdm/lightdm.conf'
and restart your system.
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