報(bào)錯(cuò)如下：
[root@test yum.repos.d]# yum install ambari-server
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Install Process
Loading mirror speeds from cached hostfile
http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.0.0/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'public-repo-1.hortonworks.com'"
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: Updates-ambari-2.0.0. Please verify its path and try again
解決辦法：resolve.conf中添加dns服務(wù)器
[root@test yum.repos.d]# more /etc/resolv.conf
# Generated by NetworkManager
# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:
#
# DNS1=xxx.xxx.xxx.xxx
# DNS2=xxx.xxx.xxx.xxx
# DOMAIN=lab.foo.com bar.foo.com
nameserver 8.8.8.8
nameserver 114.114.114.114
