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Re: Fedora Core 2 Update: kernel-2.6.6-1.435

On Tue, 15 Jun 2004, Don Russell wrote:
Jeff Spaleta said:
On Mon, 14 Jun 2004 20:53:41 -0700 (PDT), Don Russell
<don drussell dnsalias com> wrote:
Here's how I see it working...

When new packages are ready to be distributed....
- reset the list of sites that serve up2date to the single master site
- move new versions of the pakages to the master site.
- start a cron job in xxx minutes (gives some mirrors a chance to

the cron job does:
- for each mirror site (not already known to be synch'd)
   - get directory listing
   - compare to master directory listing
   - if directory matches, site must be synch'd
        - make mirror site eligible to participate in serving up2date

After checking all mirrors, if one or more are still not synch'd,
the job again in xxx minutes

If all mirrors are now synch'd, we're done.

The whole design fits on a bar napkin.

And very little bandwidth to accomplish it... up2date now only sees
that are synch'd.... new mirror sites can be added dynamically as

I LIKE it! :-)

Don Russell

Hmm....can someone out in the community prototype this cronjob idea up.

I wish my Linux programming skills were up to the task..... but hey! At least I came up with the IDEA/design... :-)

But, that's what makes it a "community effort"...


This is simpler then you show here. You can get the last update time from the modified header from the repository:

$ telnet mirror.linux.duke.edu 80
HEAD http://mirror.linux.duke.edu/pub/fedora/linux/core/1/i386/os/headers/header.info HTTP/1.1

wget will return the header, but will also download the entire file...


Security on the internet is impossible without strong, open, and unhindered encryption.

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