[ec2-user@ip-172-31-27-82 ~]$ sudo yum install yum-utils
Loaded plugins: priorities, update-motd, upgrade-helper
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: (28, 'Connection timed out after 5001 milliseconds')
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: (28, 'Connection timed out after 5001 milliseconds')
Trying other mirror.
Could not retrieve mirrorlist http://repo.ap-south-1.amazonaws.com/latest/main/mirror.list error was
12: Timeout on http://repo.ap-south-1.amazonaws.com/latest/main/mirror.list: (28, 'Connection timed out after 5000 milliseconds')
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
我试过
yum clean all
yum repolist
错误仍然存在
的输出sudo yum repolist all
[ec2-user@ip-172-31-27-82 ~]$ sudo yum repolist all
Loaded plugins: priorities, update-motd, upgrade-helper
Could not retrieve mirrorlist http://repo.ap-south-1.amazonaws.com/latest/main/mirror.list error was
12: Timeout on http://repo.ap-south-1.amazonaws.com/latest/main/mirror.list: (28, 'Connection timed out after 5000 milliseconds')
CentOS/primary_db FAILED
http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
CentOS/primary_db FAILED
http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
CentOS/primary_db FAILED
http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: [Errno 12] Timeout on http://mirror.centos.org/centos/7/os/x86_64/repodata/0c34273ad0292747ee5e15c047d3e51c67ca59861a446972db45d71abacc7ad7-primary.sqlite.bz2: (28, 'Connection timed out after 5000 milliseconds')
Trying other mirror.
Could not retrieve mirrorlist http://repo.ap-south-1.amazonaws.com/latest/updates/mirror.list error was
12: Timeout on http://repo.ap-south-1.amazonaws.com/latest/updates/mirror.list: (28, 'Connection timed out after 5000 milliseconds')
repo id repo name status
CentOS centos enabled: 0
amzn-main/latest amzn-main-Base enabled: 0
amzn-main-debuginfo/latest amzn-main-debuginfo disabled
amzn-main-source/latest amzn-main-source disabled
amzn-nosrc/latest amzn-nosrc-Base disabled
amzn-preview/latest amzn-preview-Base disabled
amzn-preview-debuginfo/latest amzn-preview-debuginfo disabled
amzn-preview-source/latest amzn-preview-source disabled
amzn-updates/latest amzn-updates-Base enabled: 0
amzn-updates-debuginfo/latest amzn-updates-debuginfo disabled
amzn-updates-source/latest amzn-updates-source disabled
repolist: 0
Loaded plugins: priorities, update-motd, upgrade-helper
CentOS | 3.6 kB 00:00:00
Could not retrieve mirrorlist http://repo.ap-south-1.amazonaws.com/latest/updates/mirror.list error was
12: Timeout on http://repo.ap-south-1.amazonaws.com/latest/updates/mirror.list: (28, 'Connection timed out after 5001 milliseconds')
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: amzn-updates/latest
答案1
正如 @IgnacioVazquez-Abrams 提到的，您没有网络连接，因此yum无法安装软件包
答案2
我已经看过一些了，可能是你在代理后面。我添加了以下内容：
proxy=http<your FQDN proxy settings including port here>
...到文件/etc/yum.conf（我使用的是 CentOS 7）
华泰