Ubuntu

How to install Ubuntu

• Use the default DVI/VGA port to run the installation.
• Once the installation is done, install any proprietary driver for the video card, if necessary.

Troubleshooting installation issues

ISSUE: Corrupted install screen

• If a nVidia video card is already in place, you can also add "nomodeset" to the boot loader.

ISSUE: Grub is unable to boot the recently installed system

• Boot in "Try Ubuntu" mode with the install disk
• Mount the filesystem where Ubuntu is installed
• Install grub2

ISSUE: Screen is freezing on dual-screen setup with nVidia video card

• Install nVidia drivers from repository

• Precise 12.10 to Quantal 13.10

 # apt-add-repository ppa:xorg-edgers/ppa

• Lucid 10.04 to Precise 12.04

 # apt-add-repository ppa:ubuntu-x-swat/x-updates

• Update the repos

 # apt-get update

• Install nvidia drivers

 # apt-get install nvidia-current nvidia-settings

How to upgrade Ubuntu

• Install the update manager

# apt-get install update-manager-core

• Do the ubuntu ritual

# apt-get update
# apt-get upgrade
# apt-get autoremove

• Start the upgrade process

# do-release-upgrade

Troubleshooting upgrade issues

• Fixes on Ubuntu 14.04
  • All Apache configuration files, including sites, must end with ".conf"
  • Apache 2.4 sets the lock file with a different statement

DEPRECATED (Ubuntu 12/ Apache 2.2): 
LockFile ${APACHE_LOCK_DIR}/accept.lock
NEW
Mutex file:${APACHE_LOCK_DIR} default

• If running with non-graphical interface, ie. server mode, then remove consolekit to avoid the following "annoying" warnings being displayed on the terminal

GLib-CRITICAL: Source ID 123 was not found when attempting to remove it

• If syslog-ng's configuration file is preserved instead to use the distro configuration, then update the format of the configuration file. Warning/Errors are dropped in the terminal when syslog-ng is restarted.