could someone tell me what wrong is with this:<br>
<br>
<span style="font-style: italic;">[root@localhost yufan]# yum update</span><br style="font-style: italic;">
<span style="font-style: italic;">Setting up Update Process</span><br style="font-style: italic;">
<span style="font-style: italic;">Setting up repositories</span><br style="font-style: italic;">
<span style="font-style: italic;">updates-released
100% |=========================| 951 B 00:00</span><br style="font-style: italic;">
<span style="font-style: italic;">extras
100% |=========================| 1.1 kB 00:00</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://linux.admin.uillinois.edu/pub/linux/fedora/linux/core/4/i386/os/repodata/repomd.xml">http://linux.admin.uillinois.edu/pub/linux/fedora/linux/core/4/i386/os/repodata/repomd.xml
</a>:
[Errno 4] IOError: HTTP Error 403: Proxy-Connection: Keep-Alive</span><br style="font-style: italic;">
<span style="font-style: italic;">Connection: Keep-Alive</span><br style="font-style: italic;">
<span style="font-style: italic;">Date: Sat, 12 Nov 2005 02:48:22 GMT</span><br style="font-style: italic;">
<span style="font-style: italic;">Server: Apache/2.0.46 (Red Hat)</span><br style="font-style: italic;">
<span style="font-style: italic;">Content-Length: 353</span><br style="font-style: italic;">
<span style="font-style: italic;">Content-Type: text/html; charset=iso-8859-1</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">base
100% |=========================| 1.1 kB 00:00</span><br style="font-style: italic;">
<span style="font-style: italic;">Reading repository metadata in from local files</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 357 kB 00:50</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://ftp.lug.ro/fedora/linux/core/updates/4/i386/repodata/primary.xml.gz">http://ftp.lug.ro/fedora/linux/core/updates/4/i386/repodata/primary.xml.gz</a>: [Errno -1] Metadata file does not match checksum
</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 354 kB 00:14</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://fedora.ngi.it/updates/4/i386/repodata/primary.xml.gz">http://fedora.ngi.it/updates/4/i386/repodata/primary.xml.gz</a>: [Errno -1] Metadata file does not match checksum</span>
<br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://ftp.chg.ru/pub/Linux/fedora/core/updates/4/i386/repodata/primary.xml.gz">http://ftp.chg.ru/pub/Linux/fedora/core/updates/4/i386/repodata/primary.xml.gz</a>:
[Errno 4] IOError: HTTP Error 404: Proxy-Connection: Keep-Alive</span><br style="font-style: italic;">
<span style="font-style: italic;">Connection: Keep-Alive</span><br style="font-style: italic;">
<span style="font-style: italic;">Date: Sat, 12 Nov 2005 02:49:09 GMT</span><br style="font-style: italic;">
<span style="font-style: italic;">Server: Apache/1.3.33 (Unix)</span><br style="font-style: italic;">
<span style="font-style: italic;">Transfer-Encoding: chunked</span><br style="font-style: italic;">
<span style="font-style: italic;">Content-Type: text/html; charset=iso-8859-1</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 355 kB 00:15</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://fedora.secsup.org/core/updates/4/i386/repodata/primary.xml.gz">http://fedora.secsup.org/core/updates/4/i386/repodata/primary.xml.gz</a>: [Errno -1] Metadata file does not match checksum
</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 357 kB 00:21</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://ftp.udl.es/pub/fedora/linux/core/updates/4/i386/repodata/primary.xml.gz">http://ftp.udl.es/pub/fedora/linux/core/updates/4/i386/repodata/primary.xml.gz</a>: [Errno -1] Metadata file does not match checksum
</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 357 kB 00:27</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://ftp.iasi.roedu.net/mirrors/fedora.redhat.com/core/updates/4/i386/repodata/primary.xml.gz">http://ftp.iasi.roedu.net/mirrors/fedora.redhat.com/core/updates/4/i386/repodata/primary.xml.gz
</a>:
[Errno -1] Metadata file does not match checksum</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 355 kB 00:20</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://mirrors.kernel.org/fedora/core/updates/4/i386/repodata/primary.xml.gz">http://mirrors.kernel.org/fedora/core/updates/4/i386/repodata/primary.xml.gz</a>: [Errno -1] Metadata file does not match checksum
</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 357 kB 00:16</span><br style="font-style: italic;">
<span style="font-style: italic;"><a href="http://www.muug.mb.ca/pub/fedora/linux/core/updates/4/i386/repodata/primary.xml.gz">http://www.muug.mb.ca/pub/fedora/linux/core/updates/4/i386/repodata/primary.xml.gz</a>:
[Errno -1] Metadata file does not match checksum</span><br style="font-style: italic;">
<span style="font-style: italic;">Trying other mirror.</span><br style="font-style: italic;">
<span style="font-style: italic;">primary.xml.gz
100% |=========================| 248 kB 00:08</span><br style="font-style: italic;">
<br>
it keeps printing all kinds of error messages and never start to update.what's wrong?<br>