i have seen that there are a lot of people having issues with yum saying "[Errno 14] curl#7 - "Couldn't connect"" ... i tried searching for it and found that instead of searching for the location "ftp://os.nchc.org.tw/dists/Fedora/linux/releases/15/Everything/x86_64/os/repodata/37db48e8e696e39f1aec5a3a566b30a4d2d328625a3a1f6f6bfb60e2362fbc42-prestodelta.xml.gz" the yum command is actually searching "ftp://os.nchc.org.tw/dists/Fedora/linux/releases/15/Everything/x86_64/os/repodata/37db48e8e696e39f1aec5a3a566b30a4d2d328625a3a1f6f6bfb60e2362fbc42-prestodelta.xml.gz:" and ain't getting any result as there ain't anything there (note the extra : in the end of the link).

hos should i solve it! any help would be highly appreciated!! as this might solve others problem also!

thank you & regards,

vikash

Welcome to LQ!!!

Did you contact Redhat to resolve this issue for you? I mean you have paid them for support so it worth contacting them. Isn't it?

How you say that yum is looking for a file with an extra : ?

How is your yum.conf file looks like? I mean how you have configured yum to pick up updates from this repo?

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T3RM1NVT0R the OP is using fedora 15
not RHEL6

vikashiiitdm

from your massage it looks like presto is being used
it is a yum plugin that can cause no end of trouble .
when it works it is nice but it fails all the time .

wait a day or two and see if it self resolves

that said
90% of yum problems are related to a bad database file and can be solved this way
if "yum clean all " errors then

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thank you for your replies i tried following the steps you prescribed. the output was like

$ yum clean all

"Loaded plugins: langpacks, presto, refresh-packagekit
Cleaning repos: fedora rpmfusion-free rpmfusion-free-updates rpmfusion-nonfree
: rpmfusion-nonfree-updates updates
Cleaning up Everything
0 delta-package files removed, by presto"

$ rpm --rebuilddb didn't output anything
then i run yum update and the same happened

"Loaded plugins: langpacks, presto, refresh-packagekit
fedora/metalink | 12 kB 00:01
http://mirror.cse.iitk.ac.in/fedora/...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror.
http://fedora.iitm.ac.in/releases/15...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror.
ftp://ftp.iitm.ac.in/fedora/releases...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror.
http://www.ftp.ne.jp/Linux/distribut...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror.
http://ftp.riken.jp/Linux/fedora/rel...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror.
http://mirrors.ustc.edu.cn/fedora/li...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror.
http://mirrors.ispros.com.bd/fedora/...ta/repomd.xml: [Errno 14] curl#7 - "Couldn't connect"
Trying other mirror. "

i am using my system behind a proxy what should i do now it worked fine before i.e. last time when i updated it !

my yum.conf file looks like this :

i am not using rhel i am using fedora 15 x86_64 bit edition . can i still contact'em for issues???
once again , thanks !

Apologies that I didnt realize that you are using Fedora. Naa, you cannot contact Redhat to get support :-)

I have seen this issue sometimes happens due to bad gateway configured in your route. Type the following command in the terminal and let use know the output:

route outputs this!

Route command output looks fine. Could you please paste the output of the following command:

Yes, you were right that it is looking for repomd.xml with an extra :

Could you please paste the contents of the files which are under:

/etc/yum.repos.d/

It appears to me as the link mentioned in one of the yum configuration file is incorrect.

yes you are right, i don't know how but the solution said above to delete and rebuild the repositories i.e. rpmdb worked now and everything is working fine! thanks a lot for your help, but still i wanted to know that if the problem had been what i said earlier how could i've done it myself without applying the above mentioned sequence of commands and understanding no part of it! i meant how could i've changed my repository metadata to do what i wanted!

so rebuilding the data base worked

then most likely the reason is
1) you are behind a router
2) the system ( but NOT yum ) updated to changes in ip's
3) yum / rpm location database dose not auto update to router changes

hence the yum program can become out of sync with the os

the same thing can happen if the mirrors change

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