This category contains all the Linux, Solaris and ELK based topics.
In this article, I will take you through 10 Best ElasticSearch API Query. Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java. Here we will see different types of Elasticsearch api query ... Read more
In this tutorial, I will take you through the steps to install lspci, lsscsi, lsusb, and lsblk tools in RedHat/CentOS 7. In few of the instances we wanted to know the hardware configuration of our Servers. We have some open source tool available which can be used to check those configurations. For e.g: to check ... Read more
In this tutorial, I will take you through the different ways to change date and time in Linux (RedHat/CentOS 7). Sometimes it is very important to have correct date and time in your Linux Server. Change Date and Time in Linux timedatectl is the command to change date and time in RedHat/CentOS7. We will go ... Read more
In this tutorial, I will take you through the steps to enable ssh on Ubuntu(18.04/17.04/16.04). OpenSSH is a freely available version of the Secure Shell (SSH) protocol family of tools for remotely controlling, or transferring files between, computers. Traditional tools used to accomplish these functions, such as telnet or rcp, are insecure and transmit the ... Read more
In this article, i will take you through the steps to update or upgrade CentOS 7.0 / 7.1 / 7.2 / 7.3 / 7.4 / 7.5 / 7.6 to CentOS 7.7. CentOS is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux. Upgrade CentOS ... Read more
In this article, we will go through Oracle Cloud IaaS Set up in 4 easy steps. Oracle Cloud is a cloud computing service offered by Oracle Corporation providing servers, storage, network, applications and services through a global network of Oracle Corporation managed data centers. The company allows these services to be provisioned on demand over ... Read more
In this article, I will take you through the introduction of IPV6 Address. The evolution of IPV6 Address can be traced back to the time when Internet was evolving where devices needed to have an IP Address to connect to the Internet. We initially started with 32-bit IPV4 Addressing mechanism back in the time which ... Read more