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== Ubuntu Updates ==

==== Apt, Software and Package Basics ====

*Read [[#General Notes]]
*Read [[#How to add extra repositories]]

Here is some basic information on how to use the Apt package management tools.

*Installing packages

 sudo aptitude install <packagename>

Examples:

 sudo aptitude install mpd sbackup

*Removing packages

 sudo aptitude remove <packagename>

Examples:

 sudo aptitude remove mpd sbackup

*Searching for packages

 sudo aptitude search <keywords>

Examples:

 sudo aptitude search Music MP3
 sudo aptitude search "Text Editor"

*Updating Apt database (used after adding/removing Apt repositories)

 sudo aptitude update

*Upgrading packages

 sudo aptitude upgrade

*Upgrade entire distribution

 sudo aptitude dist-upgrade

*Install downloaded Ubuntu (Debian) package (.deb)

 sudo dpkg -i package.deb

*Remove Ubuntu (Debian) package

 sudo dpkg -r package

*Reconfigure/Repair installed package

 sudo dpkg-reconfigure package

Examples:

 sudo dpkg-reconfigure mpd

*Handling ".tar.gz" (Tar/GZip) Archives

To extract:

 tar xvzf package.tar.gz

To create:

 tar cvfz package.tar.gz folder

*Handling ".tar.bz" (Tar/BZip) Archives

To extract:

 tar xvjf package.tar.bz

To create:

 tar cvjf package.tar.bz folder

*Extracting ".bz" Archives

 bunzip2 file.bz

*Extracting ".gz" Archives

 gunzip file.gz

*Building from Source

Make sure you have all the neccesary development tools (i.e. libraries, compilers, headers)

 sudo aptitude install build-essential
 sudo aptitude install linux-headers-`uname -r`

Extract your package (as detailed above)

 tar xvzf package.tar.gz

Commence the build process

 cd /path/to/extracted/package
 ./configure
 make
 make install

If build is successful, consider making an Ubuntu (Debian) package (.deb) for future use:

Install package tools:

 sudo aptitude install checkinstall

Rebuild package using "checkinstall":

 cd /path/to/extracted/package
 ./configure
 make
 checkinstall

Keep the resulting ".deb" file for future use. It can be installed using:

 sudo dpkg -i package.deb

Note: These are basic instructions that may not always work. Some packages require additional dependencies and optional parameters to be specified in order to build them successfully.

==== How to manually update Ubuntu ====

*Read [[#General Notes]]
*Read [[#How to add extra repositories]]

 sudo aptitude update
 sudo aptitude upgrade
 sudo aptitude dist-upgrade

'''OR'''

Use Update Manager: ''System -> Administration -> Update Manager''