Cannot find a valid baseurl for repo: base/7/x86_64

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nike
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Cannot find a valid baseurl for repo: base/7/x86_64

Post by nike » 2018/07/03 05:49:20

i have installed centos 7 and it is working fine with oracle database, openvpn and apache-php . but one morning i found httpd service not working . also i cannot access remotely using ssh . when i going to install telnet it showing "Cannot find a valid baseurl for repo: base/7/x86_64" ....but oracle-database and openvpn working fine ...I don't know the reason..
Can anyone help to solve the problem ?

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avij
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by avij » 2018/07/03 06:34:50

See what happens with curl -v 'http://mirrorlist.centos.org/?repo=os&arch=x86_64&release=7'

Perhaps that will lead you to find the source of the problem.

nike
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by nike » 2018/07/09 10:12:02

avij wrote:
2018/07/03 06:34:50
See what happens with curl -v 'http://mirrorlist.centos.org/?repo=os&a ... &release=7'

Perhaps that will lead you to find the source of the problem.
-----
I cannot understand what i will do now ? pls help me
[root@myserver conf]# curl -v 'http://mirrorlist.centos.org/?repo=os&a ... &release=7'
* About to connect() to mirrorlist.centos.org port 80 (#0)
* Trying 67.219.148.138...
* Connected to mirrorlist.centos.org (67.219.148.138) port 80 (#0)
> GET /?repo=os&arch=x86_64&release=7 HTTP/1.1
> User-Agent: curl/7.29.0
> Host: mirrorlist.centos.org
> Accept: */*
>
< HTTP/1.1 200 OK
< Date: Mon, 09 Jul 2018 10:07:51 GMT
< Server: PasteWSGIServer/0.5 Python/2.7.5
< Content-Length: 533
< Content-Type: text/plain; charset=UTF-8
<
http://del-repos.extreme-ix.org/centos/ ... os/x86_64/
http://centos.mirror.snu.edu.in/centos/ ... os/x86_64/
http://centos.excellmedia.net/7.5.1804/os/x86_64/
http://ftp.iitm.ac.in/centos/7.5.1804/os/x86_64/
http://mirror.vbctv.in/centos/7.5.1804/os/x86_64/
http://mirror.nbrc.ac.in/centos/7.5.1804/os/x86_64/
http://centos.mirror.net.in/centos/7.5.1804/os/x86_64/
http://centos.myfahim.com/centos/7.5.1804/os/x86_64/
http://mirror.dhakacom.com/centos/7.5.1804/os/x86_64/
http://mirror.xeonbd.com/centos/7.5.1804/os/x86_64/
* Connection #0 to host mirrorlist.centos.org left intact

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avij
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by avij » 2018/07/09 10:28:29

OK, that looks good. Please show the full output of "yum update". There should be other errors shown before the "Cannot find a valid baseurl" message.

Additionally, are you using a proxy? Should you be using a proxy? If a proxy is involved or if you think it might be involved, see the proxy config in /etc/yum.conf

nike
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by nike » 2018/07/09 10:48:57

avij wrote:
2018/07/09 10:28:29
OK, that looks good. Please show the full output of "yum update". There should be other errors shown before the "Cannot find a valid baseurl" message.

Additionally, are you using a proxy? Should you be using a proxy? If a proxy is involved or if you think it might be involved, see the proxy config in /etc/yum.conf
thanks for your reply
i do not use proxy.....
here is yum update...
[root@myserver oracle]# yum update
Loaded plugins: fastestmirror, langpacks


One of the configured repositories failed (Unknown),
and yum doesn't have enough cached data to continue. At this point the only
safe thing yum can do is fail. There are a few ways to work "fix" this:

1. Contact the upstream for the repository and get them to fix the problem.

2. Reconfigure the baseurl/etc. for the repository, to point to a working
upstream. This is most often useful if you are using a newer
distribution release than is supported by the repository (and the
packages for the previous distribution release still work).

3. Run the command with the repository temporarily disabled
yum --disablerepo=<repoid> ...

4. Disable the repository permanently, so yum won't use it by default. Yum
will then just ignore the repository until you permanently enable it
again or use --enablerepo for temporary usage:

yum-config-manager --disable <repoid>
or
subscription-manager repos --disable=<repoid>

5. Configure the failing repository to be skipped, if it is unavailable.
Note that yum will try to contact the repo. when it runs most commands,
so will have to try and fail each time (and thus. yum will be be much
slower). If it is a very temporary problem though, this is often a nice
compromise:

yum-config-manager --save --setopt=<repoid>.skip_if_unavailable=true

Cannot find a valid baseurl for repo: base/$releasever/x86_64

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TrevorH
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by TrevorH » 2018/07/09 10:54:32

Can you show us the contents of /etc/yum.repos.d/CentOS-Base.repo please.
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nike
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by nike » 2018/07/09 11:11:38

TrevorH wrote:
2018/07/09 10:54:32
Can you show us the contents of /etc/yum.repos.d/CentOS-Base.repo please.
-------------------
here is that...
[root@myserver oracle]# cat /etc/yum.repos.d/CentOS-Base.repo
# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client. You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the
# remarked out baseurl= line instead.
#
#

[base]
name=CentOS-$releasever - Base
mirrorlist=http://mirrorlist.centos.org/?release=$ ... fra=$infra
#baseurl=http://mirror.centos.org/centos/$releas ... $basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#released updates
[updates]
name=CentOS-$releasever - Updates
mirrorlist=http://mirrorlist.centos.org/?release=$ ... fra=$infra
#baseurl=http://mirror.centos.org/centos/$releas ... $basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
mirrorlist=http://mirrorlist.centos.org/?release=$ ... fra=$infra
#baseurl=http://mirror.centos.org/centos/$releas ... $basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
mirrorlist=http://mirrorlist.centos.org/?release=$ ... fra=$infra
#baseurl=http://mirror.centos.org/centos/$releas ... $basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

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TrevorH
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by TrevorH » 2018/07/09 11:18:28

And what is the output from rpm -q --qf '%{version}\n' centos-release and the content of /etc/yum.conf?
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avij
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by avij » 2018/07/09 11:25:17

nike wrote:
2018/07/09 10:48:57
Loaded plugins: fastestmirror, langpacks


One of the configured repositories failed (Unknown),
Is there really nothing between these lines?

nike
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Re: Cannot find a valid baseurl for repo: base/7/x86_64

Post by nike » 2018/07/09 11:26:09

TrevorH wrote:
2018/07/09 11:18:28
And what is the output from rpm -q --qf '%{version}\n' centos-release and the content of /etc/yum.conf?
----

[root@myserver oracle]# rpm -q --qf '%{version}\n' centos-release and the content of /etc/yum.conf
package centos-release is not installed
package and is not installed
package the is not installed
package content is not installed
package of is not installed
package /etc/yum.conf is not installed

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