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0

I my CentOS 7.2:

I mount my virtual cdrom (/dev/sr0) on my /mnt/cdrom:

I use mount command check my mount list there has the information:

...

/dev/sr0 on /mnt/cdrom type iso9660 (ro,relatime)

...

But when I ls /mnt/cdrom, there have the repo data in it:

[root@localhost cdrom]# ls

CentOS_BuildTag  GPL       LiveOS    RPM-GPG-KEY-CentOS-7

EFI              images    Packages  RPM-GPG-KEY-CentOS-Testing-7

EULA             isolinux  repodata  TRANS.TBL

I created a local repo:

vi /etc/yum.repos.d/redhat_cdrom.repo

add my below configuration in it:

[redhat_cdrom]

name=red hat cdrom yum source

baseurl=file:///mnt/cdrom/

gpgcheck=0

enable=1

but when I make cache the yum repo:

[root@localhost cdrom]# yum clean all

[root@localhost cdrom]# yum makecache





Loaded plugins: fastestmirror

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was

14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error"





 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. Disable the repository, 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>



     4. 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/7/x86_64

centos

share|improve this question

asked 29 mins ago

244boy244boy

18177 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you have an internet connection? You are getting this error because 'base/7/x86_64' repo is apparently configured to use a remote repository only accessible via the internet.
  
  – fpmurphy
  6 mins ago
  

  
  
  
  

add a comment | 

0

I my CentOS 7.2:

I mount my virtual cdrom (/dev/sr0) on my /mnt/cdrom:

I use mount command check my mount list there has the information:

...

/dev/sr0 on /mnt/cdrom type iso9660 (ro,relatime)

...

But when I ls /mnt/cdrom, there have the repo data in it:

[root@localhost cdrom]# ls

CentOS_BuildTag  GPL       LiveOS    RPM-GPG-KEY-CentOS-7

EFI              images    Packages  RPM-GPG-KEY-CentOS-Testing-7

EULA             isolinux  repodata  TRANS.TBL

I created a local repo:

vi /etc/yum.repos.d/redhat_cdrom.repo

add my below configuration in it:

[redhat_cdrom]

name=red hat cdrom yum source

baseurl=file:///mnt/cdrom/

gpgcheck=0

enable=1

but when I make cache the yum repo:

[root@localhost cdrom]# yum clean all

[root@localhost cdrom]# yum makecache





Loaded plugins: fastestmirror

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was

14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error"





 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. Disable the repository, 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>



     4. 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/7/x86_64

centos

share|improve this question

asked 29 mins ago

244boy244boy

18177 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you have an internet connection? You are getting this error because 'base/7/x86_64' repo is apparently configured to use a remote repository only accessible via the internet.
  
  – fpmurphy
  6 mins ago
  

  
  
  
  

add a comment | 

I my CentOS 7.2:

I mount my virtual cdrom (/dev/sr0) on my /mnt/cdrom:

I use mount command check my mount list there has the information:

...

/dev/sr0 on /mnt/cdrom type iso9660 (ro,relatime)

...

But when I ls /mnt/cdrom, there have the repo data in it:

[root@localhost cdrom]# ls

CentOS_BuildTag  GPL       LiveOS    RPM-GPG-KEY-CentOS-7

EFI              images    Packages  RPM-GPG-KEY-CentOS-Testing-7

EULA             isolinux  repodata  TRANS.TBL

I created a local repo:

vi /etc/yum.repos.d/redhat_cdrom.repo

add my below configuration in it:

[redhat_cdrom]

name=red hat cdrom yum source

baseurl=file:///mnt/cdrom/

gpgcheck=0

enable=1

but when I make cache the yum repo:

[root@localhost cdrom]# yum clean all

[root@localhost cdrom]# yum makecache





Loaded plugins: fastestmirror

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was

14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error"





 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. Disable the repository, 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>



     4. 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/7/x86_64

centos

share|improve this question

asked 29 mins ago

244boy244boy

18177 bronze badges

...

/dev/sr0 on /mnt/cdrom type iso9660 (ro,relatime)

...

[root@localhost cdrom]# ls

CentOS_BuildTag  GPL       LiveOS    RPM-GPG-KEY-CentOS-7

EFI              images    Packages  RPM-GPG-KEY-CentOS-Testing-7

EULA             isolinux  repodata  TRANS.TBL

vi /etc/yum.repos.d/redhat_cdrom.repo

[redhat_cdrom]

name=red hat cdrom yum source

baseurl=file:///mnt/cdrom/

gpgcheck=0

enable=1

[root@localhost cdrom]# yum clean all

[root@localhost cdrom]# yum makecache





Loaded plugins: fastestmirror

Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was

14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error"





 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. Disable the repository, 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>



     4. 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/7/x86_64

share|improve this question

asked 29 mins ago

244boy244boy

18177 bronze badges

share|improve this question

asked 29 mins ago

244boy244boy

18177 bronze badges

asked 29 mins ago

244boy244boy

18177 bronze badges

asked 29 mins ago

244boy244boy

18177 bronze badges