Browsing Esperanto translation

58.

Only add software repositories from sources that you trust. Third-party software repositories are not checked for security by Ubuntu members, so could contain software which is harmful to your computer.

59.

Open <menuchoice><guimenu>System</guimenu><guimenuitem>Administration</guimenuitem><guimenuitem>Software Sources</guimenuitem></menuchoice> and select <guilabel>Third Party Software</guilabel>.

62.

deb http://ftp.debian.org etch main

71.

Some packages from the <emphasis>main</emphasis> and <emphasis>restricted</emphasis> Ubuntu package repositories can be installed from the Ubuntu installation CD. Simply insert your Ubuntu installation CD and open <menuchoice><guimenu>System</guimenu><guimenuitem>Administration</guimenuitem><guimenuitem>Synaptic Package Manager</guimenuitem></menuchoice>. To list only packages on the Ubuntu installation CD, click on the <guibutton>Origin</guibutton> button in the lower left corner of the Synaptic window. The packages should be listed under the <guimenuitem>Ubuntu 9.04_Jaunty_Jackalope</guimenuitem> section.

76.

Select <guilabel>Third Party Software</guilabel> and click on the <guibutton>Add CD-ROM</guibutton> button.

82.

What are restricted and non-free software?

86.

In some cases, restricted software is the only option. Such cases include software for the playback of certain audio and video formats, some fonts and <ulink type="help" url="ghelp:hardware#restricted-manager">drivers for some graphics cards</ulink>.