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I installed Oneiric as a guest OS in VirtualBox using the Mini CD. I installed the ubuntu-desktop package and everything seems to work fine - well, except for a font issue with the terminal:

As you can see, some of the letters overlap and it's difficult to read. I checked the settings and it the checkbox "Use the system fixed width font" is checked with "Monospace | 12" selected underneath it.

Edit: running the commands mentioned in the comments:

$ fc-match "Monospace"
DejaVuSansMono.ttf: "DejaVu Sans Mono" "Book"
$ gconftool --get /desktop/gnome/interface/monospace_font_name
Monospace 10
$ debsums ttf-dejavu-core
/usr/share/doc/ttf-dejavu-core/AUTHORS                                        OK
/usr/share/doc/ttf-dejavu-core/BUGS                                           OK
/usr/share/doc/ttf-dejavu-core/NEWS.gz                                        OK
/usr/share/doc/ttf-dejavu-core/README                                         OK
/usr/share/doc/ttf-dejavu-core/changelog.Debian.gz                            OK
/usr/share/doc/ttf-dejavu-core/copyright                                      OK
/usr/share/doc/ttf-dejavu-core/langcover.txt.gz                               OK
/usr/share/doc/ttf-dejavu-core/status.txt.gz                                  OK
/usr/share/doc/ttf-dejavu-core/unicover.txt.gz                                OK
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-Bold.ttf                      OK
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf                           OK
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono-Bold.ttf                  OK
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf                       OK
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif-Bold.ttf                     OK
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif.ttf                          OK
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Which terminal are you using? xterm or gnome-terminal? – Chakra Oct 22 '10 at 6:36
What do fc-match "Monospace" and gconftool --get /desktop/gnome/interface/monospace_font_name return? – ændrük Oct 25 '11 at 18:36
I don't know, but I also experienced this issue when upgrading from Ubuntu 11.04 to 11.10. Later I re-installed Ubuntu 11.10 from scratch and I no longer have this issue. – Anonymous Oct 25 '11 at 18:36
This question should instead be filed as a bug report, thanks! Instructions here. – James Oct 25 '11 at 18:41
@ændrük: I have added the information to the question. – Nathan Osman Oct 25 '11 at 18:43
up vote 16 down vote accepted

Turns out the ttf-ubuntu-font-family Install ttf-ubuntu-font-family package somehow didn't get installed. Immediately after installing that package, the terminal font switched to the Ubuntu Monospace font and everything was readable again.

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Open your terminal Go to Edit-->Profile Preferences and in general tab check "Use System fixed width font"

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I have seen this kind of problem in my friend's gnome terminal.. just go to edit --> profiles and change the settings of the font of your terminal.. it should solve your problem.. :)

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thanks man! worked. – RamoneDexter Oct 22 '10 at 6:49

Had the same problem. This may be related. Bug #1166125

Removing package pango-graphite fixed the problem for me:

sudo apt-get purge pango-graphite
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Go to Software Center and remove 'monospace font for pretty code listings and for the terminal'.

If that doesn't do it for you, try to remove Terminal (gnome_terminal), log out and log in and install the Terminal(gnome-terminal).

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I fixed this issue by running: gconf-editor /apps/gnome-terminal/profiles/Default

and unchecking "Use System Font"

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