my Fedora + Ubuntu settings

Labels: Informatics
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OS

• Fedora 20 (gnome + xfce) 
• Ubuntu 13.10 + Xubuntu 
• Speed-up tips
• https://sites.google.com/site/easylinuxtipsproject/speed
• http://www.howtogeek.com/115797/6-ways-to-speed-up-ubuntu/
• http://itsfoss.com/speed-up-ubuntu-1310/

Hardware

• D630: RAM 3gb, CPU core2 duo, nVidia Quartro
• E6400: RAM 4gb, CPU core2 duo
• XPS8700, CPU i7-4770, HDD 2tb, RAM 16g, nVdia

Office Suite

• LibreOffice v.4.2
• mendeley-desktop v1.10

Graphics

• Gimp
• Inkspace

Remote Desktop

• TeamViewer v9 
• sudo dpkg -i teamviewer_linux.deb

Reset password

• http://askubuntu.com/questions/24006/how-do-i-reset-a-lost-administrative-password
• http://www.psychocats.net/ubuntu/resetpassword

Neflix on ubuntu (http://www.webupd8.org/2014/08/how-to-enable-html5-playback-for.html)

• Install
• sudo add-apt-repository ppa:leonbo/nss 
• sudo apt-get update 
• sudo apt-get install libnss3 libnss3-1d libnss3-nssdb
• sudo apt-get upgrade
• Install Google Chrome Beta or Dev. HERE .
• Install the User-Agent Switcher Chrome extension from HERE
  Mozilla/5.0 (Windows NT 6.3, Win64, x64) AppleWebKit/537.36
  Netflix settings (Your Account > Playback Settings), make sure "Prefer HTML5 player instead of Silverlight" is enabled:
• Then user swich "on"
• Revert
• sudo apt-get install ppa-purge
• sudo ppa-purge ppa:leonbo/nss
• sudo apt-get purge google-chrome-beta
• sudo apt-get purge google-chrome-unstable

Ubuntu username change

1. At the start screen press Ctrl+ALT+F1.
2. Log in using your username and password.
3. Set a password for the "root" account.
   sudo passwd root
4. Log out.
   exit
5. Log in using the "root" account and the password you have previously set.
6. Change the username and the home folder to the new name that you want.
   usermod -l <newname> -d /home/<newname> -m <oldname>
7. Change the group name to the new name that you want.
   groupmod -n <newgroup> <oldgroup>
8. Look the "root" account.
   passwd -l root
9. If you were using ecryptfs (encrypted home directory). Mount your encrypted directory using ecryptfs-recover-private and edit <mountpoint>/.ecryptfs/Private.mnt to reflect your new home directory.
10. Log out.
    exit
11. press Ctrl+ALT+F7.

And now you can log in using your new username.

VBox + Ubuntu

• auto-resize probelm
• sudo apt-get install dkms linux-generic 
• sudo apt-get install virtualbox-guest-dkms virtualbox-guest-utils virtualbox-guest-x11
• restart vbox OR sudo /etc/init.d/vboxadd setup

xfce +xubntu

• desktop reset: rm -r ~/.config/xfce4
• Remove
• sudo apt-get autoremove --purge xubuntu-* && sudo apt-get autoremove --purge xfce*
• sudo apt-get autoremove --purge $( dpkg-query -l *xubuntu* | grep ii | tr -s " " | cut -d" " -f2; dpkg-query -l *xfce* | grep 'ii' | tr -s " " | cut -d" " -f2 )

http://www.psychocats.net/ubuntu/purexubuntu



Ubuntu shutdown / reboot issues

• sudo shutdown -h now
• sudo reboot -r now

Ubuntu wireless issue

• D630
• sudo apt-get remove --purge ndiswrapper*
• sudo apt-get remove --purge bcmwl-kernel-source
• sudo apt-get install linux-firmware-nonfree
• E6400
• sudo apt-get install bcmwl-kernel-source

to be continued....


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Labels: Informatics