I recently did installation on Centos 6 and it worked fine. I did try Ambari version ~2.2 ish and also 2.6, both work fine (few niggles like while starting ambari not finding version; but that's manageable. My previous one on Centos 7 (for which this issue is raised) never worked and I left trying. Thanks Jay, Geoffrey for your help on this issue. ... View more

Thanks. Done, but no success yet. ... View more

changed resolv.conf and tried above commands. Still no success. ... View more

# cat /etc/resolv.conf ; generated by /sbin/dhclient-script search domain.name pc.com nameserver 192.168.1.1 domain name above is dummy one and nameserver IP is actually that of my router. could that be a problem? But... I remember having worked in similar setup in past, though long back. # yum clean all Loaded plugins: fastestmirror, security Cleaning repos: ambari-2.5.2.0 base extras updates Cleaning up Everything Cleaning up list of fastest mirror # yum clean metadata Loaded plugins: fastestmirror, security Cleaning repos: ambari-2.5.2.0 base extras updates 0 metadata files removed 0 sqlite files removed 0 metadata files removed yum install -y ambari-server Loaded plugins: fastestmirror, security Setting up Install Process Determining fastest mirrors * base: mirrors.viethosting.com * extras: mirror.digistar.vn * updates: mirrors.vinahost.vn ambari-2.5.2.0 | 2.9 kB 00:00 ambari-2.5.2.0/primary_db | 8.6 kB 00:00 base | 3.7 kB 00:00 base/primary_db | 3.7 MB 00:15 extras | 3.3 kB 00:00 extras/primary_db | 21 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 3.0 MB 00:25 No package ambari-server available. Error: Nothing to do ... View more

No. The link confirms "No Proxy server detected". Also re-checked my connection and found it's ok; but still the same result. ... View more

wget command works fine and downloads repomd.xml. grep for 'proxy' returns nothing. Actually I'm working from home, so usual corporate network restrictions do not apply in my case. ... View more

Thanks for your response Geoffrey. cat /etc/yum.repos.d/ambari.repo #VERSION_NUMBER=2.5.2.0-298 [ambari-2.5.2.0] name=ambari Version - ambari-2.5.2.0 baseurl=http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.5.2.0 gpgcheck=1 gpgkey=http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.5.2.0/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins enabled=1 priority=1 I do not have HDP repo downloaded, hence I simply get following for hdp repository: cat: /etc/yum.repos.d/hdp.repo: No such file or directory After doing yum clean all and checking yum repolist (output of it below); I'm still getting message "No package ambari-server available. # yum repolist Loaded plugins: fastestmirror, security Determining fastest mirrors * base: centos-hcm.viettelidc.com.vn * extras: mirrors.nhanhoa.com * updates: mirrors.nhanhoa.com ambari-2.5.2.0 | 2.9 kB 00:00 ambari-2.5.2.0/primary_db | 8.6 kB 00:00 base | 3.7 kB 00:00 base/primary_db | 3.7 MB 00:07 extras | 3.3 kB 00:00 extras/primary_db | 21 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 3.0 MB 00:07 repo id repo name status ambari-2.5.2.0 ambari Version - ambari-2.5.2.0 12 base CentOS-6 - Base 5,079 extras CentOS-6 - Extras 20 updates CentOS-6 - Updates 485 repolist: 5,596 # yum install -y ambari-server Loaded plugins: fastestmirror, security Setting up Install Process Loading mirror speeds from cached hostfile * base: centos-hcm.viettelidc.com.vn * extras: mirrors.nhanhoa.com * updates: mirrors.nhanhoa.com No package ambari-server available. Error: Nothing to do ... View more

Thanks for your quick response. * I checked "/etc/yum.repos.d/ambari.repo" and it does have enabled flag = 1. However I do not have any ambari.repo file in /tmp. * I did "yum clean all", checked ambari appears in repolist and ran "yum install ambari-server", but still the same failure. ... View more