How to Set Up High Availability for Namenode – Part 5
Hadoop has two core components which are HDFS and YARN. HDFS is for storing the Data, YARN is for processing the Data. HDFS is Hadoop Distributed File System, it has Namenode as Master Service
Hadoop has two core components which are HDFS and YARN. HDFS is for storing the Data, YARN is for processing the Data. HDFS is Hadoop Distributed File System, it has Namenode as Master Service
Sometimes you might encounter the error “W: Some index files failed to download.” on Ubuntu when updating the system. Here’s an excerpt of the error. W: Failed to fetch archive.ubuntu.com/ubuntu/dists/quantal-security/Release.gpg Unable to connect to
This week, Red Hat created a huge public outcry over its announcement regarding the future of CentOS. Red Hat, in a shocking move, is discontinuing CentOS Project in favor of the rolling release, CentOS
PHP is a popular open-source server-side scripting language that is integral in developing dynamic webpages. PHP 8.0 is finally out and was released on November 26th, 2020. It promises lots of improvements and optimizations
PHP is arguably one of the most widely used server-side programming languages. It’s the language of choice when developing dynamic and responsive websites. In fact, popular CM platforms such as WordPress, Drupal, and Magento
It’s not uncommon for users to forget their login passwords or have their system suffer a corrupt filesystem. When that happens, the recommended solution is to boot into rescue or emergency mode and apply
In an earlier article, we have explained the installation of Cloudera Manager, in this article, you will learn how to install and configure CDH (Cloudera Distribution Hadoop) in RHEL/CentOS 7. While installing the CDH
When creating a MySQL user with a relatively weak password, you might encounter the error ‘MySQL ERROR 1819 (HY000): Your password does not satisfy the current policy requirements’. Technically, this is not an error,
Red Hat Enterprise Linux is a hugely popular enterprise-level operating system that supports a diverse range of open-source technologies such as Ansible automation, Hybrid Cloud, virtualization, and containerization. In this guide, we highlight some
Teams is one of the popular collaboration platform created by Microsoft, that come in bundled with Office 365 suite. You are free to download and use teams without Office 365 subscription. Microsoft in December