passwd: Authentication token manipulation error

Submitted by admin on Fri, 04/26/2019 - 13:44

You may get the below error while changing the password for users in linux machines:-


[root@hadoop3 ~]# passwd root
Changing password for user root.
passwd: Authentication token manipulation error


This can be fixed by running the command:-

[root@hadoop3 ~]# authconfig --updateall


Installing Hadoop 3.2.0 multi-node cluster on Cent OS

Submitted by admin on Sat, 02/09/2019 - 12:46

Apache Hadoop is an open-source software framework for distributed storage and distributed processing of very large data sets on computer clusters built from commodity hardware. All the modules in Hadoop are designed with a fundamental assumption that hardware failures are common and should be automatically handled by the framework.