root@205:/etc/apt/sources.list.d# apt-get -q -y install hadoop-client=188.8.131.52.1.7.0-784
Reading package lists...
Building dependency tree...
Reading state information...
The following extra packages will be installed:
bigtop-jsvc hadoop hadoop-hdfs hadoop-mapreduce hadoop-yarn zookeeper
The following NEW packages will be installed:
bigtop-jsvc hadoop hadoop-client hadoop-hdfs hadoop-mapreduce hadoop-yarn zookeeper
0 upgraded, 7 newly installed, 0 to remove and 34 not upgraded.
Need to get 86.7 MB of archives.
After this operation, 99.9 MB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
bigtop-jsvc zookeeper hadoop hadoop-hdfs hadoop-yarn hadoop-mapreduce hadoop-client
E: There are problems and -y was used without --force-yes