Linux命令之yum

1.　　yum安装报错：

http://mirrors.huaweicloud.com/centos/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.huaweicloud.com'"
尝试其他镜像。
http://mirrors.cn99.com/centos/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.cn99.com'"
尝试其他镜像。
http://mirrors.zju.edu.cn/centos/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.zju.edu.cn'"
尝试其他镜像。
http://mirrors.cqu.edu.cn/CentOS/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.cqu.edu.cn'"
尝试其他镜像。
http://ap.stykers.moe/centos/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'ap.stykers.moe'"
尝试其他镜像。
http://mirrors.tuna.tsinghua.edu.cn/centos/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.tuna.tsinghua.edu.cn'"
尝试其他镜像。
http://mirrors.neusoft.edu.cn/centos/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'mirrors.neusoft.edu.cn'"
尝试其他镜像。

　　　　解决方法：

　　　　　　换个dns.

2.　　yum报错：

已加载插件：fastestmirror, security
设置安装进程
Determining fastest mirrors
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
Eg. Invalid release/repo/arch combination/
removing mirrorlist with no valid mirrors: /var/cache/yum/x86_64/6/base/mirrorlist.txt
错误：Cannot find a valid baseurl for repo: base

解决方法：

sed -i "s|enabled=1|enabled=0|g" /etc/yum/pluginconf.d/fastestmirror.conf
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
curl -o /etc/yum.repos.d/CentOS-Base.repo https://www.xmpan.com/Centos-6-Vault-Aliyun.repo 
yum clean all
yum makecache
参考文档：https://www.xmpan.com/944.html