The title says it all... I'm having lots of issues after upgrading 9.04 to 9.10 - I want to reinstall without losing my files and I gave away my Ubuntu Disc and I can't make another one right now...
How can I force Ubuntu 9.10 to reinstall itself (without losing my information)?
EDIT:
The issues are: unresponsive mouse: [fixed by modding xorg.conf] and weird graphics issues which don't seem to be hardware or software, I can't tell. (specifically, bouncing lines on top of my screen and a loading bar on the shutdown screen - my friend says he has 9.10 and that the bar shouldn't be there.)
EDIT:
I ran sudo dpkg-reconfigure -phigh -a and it didn't work. The following is my terminal's output. Any ideas would be welcome.
moshe@moshe-laptop:~$ sudo sh
[sudo] password for moshe:
# sudo dpkg-reconfigure -phigh -a
* Disabling power management... [ OK ]
update-rc.d: warning: /etc/init.d/acpi-support missing LSB information
update-rc.d: see
* Checking battery state... [ OK ]
acpid stop/waiting
acpid start/running, process 3544
* Stopping web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
... waiting [ OK ]
* Starting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
[ OK ]
Caching application data...
Generating mime/codec maps...
Caching application data...
Generating mime/codec maps...
* Starting AppArmor profiles Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox-3.5
[ OK ]
* Reloading AppArmor profiles Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox-3.5
[ OK ]
dpkg-trigger: dpkg-trigger must be called from a maintainer script (or with a --by-package option)
Answer
To reinstall without losing your info ...
- Make a backup of the info you want to keep.
- Test the backup.
- Reinstall. Make sure the root partition gets reformatted, because you want to get rid of the old Ubuntu 9.04 stuff completely.
- Restore the backup.
You could attempt to perform the installation and try forcing the installer not to format the root partition, and that would keep the files you're probably interested in keeping. But it would leave files around from the previous install, it might lead to problems during the installation, and it might create problems later.
I don't know what you're considering "your information", but I'm assuming your user's HOME directory (or the entirety of /home) is the main candidate. If you have a website or database installed you'll also want to back those up (usually these are under /var).
And you probably want to make a backup of /etc as well, but don't automatically restore that one.
To reinstall without an install disc ...
Ubuntu provides many installation options; installing from the CD is only one of them. See the Installation page at the Community Ubuntu Documentation.
In particular, here is the section on Installation without a CD:
The documents listed below provide instructions for installing Ubuntu without using a CD or CD-ROM drive.
As you can see, there are lots of options. I think the best option might be to use a USB stick (Installation/FromUSBStick), if that's an option for you. If you still have the LiveCD ISO, or can download it again, and you have a spare USB stick you can use, this is a good option.
Installing from within a running Linux (Installation/FromLinux) might be an option for you, but it can be complicated -- in particular the debootstrap option (bottom of the page) is very powerful, but the process is not for the faint of heart.
Finally, one of the network installation options might work.
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