On Sat, Feb 16, 2008 at 09:44:12AM -0800, alexandre suzuki wrote:
> I want to upgrade to the latest Sarge r7 and then
> upgrade to Debian 4.0r2 and I am not sure about
> two things:
>
> 1) I installed apt_0.5.28.6 and aptitude_0.2.15.9-2
> (from Sarge r7) and I don?t know if they do the
> security checks.Check Release.gpg and then the
> md5 automatically.I have the idea that only
> apt-0.6 and after do that automatically,I don?t
> have for example apt-key installed,and don?t
> have a trusted.gpg file in my /etc/apt/
> I have gpgv in /usr/local/bin which is on the
> bash binaries PATH,is that enough for apt to
> find it?
>
>
> 2)I only have available 700Mb in my hard drive
> partition,so a global upgrade is not possible
> because I don?t have space for apt-get to download
> all upgradable packages first,and install
> them next,which is the method used by apt upgrades.
> APT gets rid probably of much of them after
> install but it?s not enough for me.So I?m
> planning to do so incrementally,upgrade a small
> group of packages after another group of packages.
> Is that the right method or is there a better
> one I don?t know about(I?m not planning to buy
> another hard disk).
>
I've found that this amount of hard drive space is tight for Debian.
Assuming that you can't just install a second hard drive for the
duration, I'd try minimizing what you do have installed by removing
(but not purging) packages you don't need. Since Etch uses X.org you
could start by getting rid of all the X stuff that will be replaced
anyway. If you do this, you should be fine.
As for the apt stuff, do whatever the release notes say. IIRC, the
first update of aptitude will bring in the new version and will depend
on the keyring file etc and the subsequent update will get the gpg stuff
sorted out.
Ensure that you have a backup and a back-out plan. Seriously. I have
found that the DDs don't (or can't) do much testing on small drive (and
esp small memory) systems so there may be a gotcha.
I had a gotch with libc6 when I tried on my 486. Computer version of a
fatal heart attack when that dies.
For your backout plan, I'd suggest:
1. Have your sarge install media so that you can get back to a base
sarge if need be. Have the Sarge insallation manual printed.
2. Have the Etch installation netinst.iso and perhaps floppy or
hd-media usb-stick ready and tested. Have the Etch installation
manual printed (or available on another computer for easy
reading).
3. Consider having OpenBSD installation media preped and ready as
a fall-back if you find the hardware doesn't work with Etch
anymore. I don't know how limited your hardware is other than
the small disk.
Good luck.
Doug.
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