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3 different methods to connect to remote server and get sftp version in Linux. The proper way to get sftp version in Linux with examples

Step-by-Step DRBD Tutorial to install and configure DRBD Storage device on CentOS 8. Perform Linux disk replication runtime. How to perform DRBD configuration

Steps to set default boot kernel in RHEL 8 using grubby and boot with old kernel version. Check the kernel version which will get activated after reboot

Configure SSH Host Based Authentication using sshd_config, shosts,equiv per user RHEL/CentOS 7/8. Compare Host based authentication vs public key authentication

Elasticsearch Tutorial on ELk Stack to configure elasticsearch cluster in RHEL/CentOS 7/8 Linux with examples. Get cluster helath status, node types, stats

Steps to install and configure glusterfs distributed volume on two cluster nodes with RHEL/CentOS 8. GlusterFS Tutorial with shared storage Red Hat/CentOS 8

Steps to install and configure shared storage with glusterfs distributed replicated volume in RHEL/CentOS 8 Linux. Configure Red hat Storage in Red Hat 8

GlusterFS Tutorial to install and configure glusterfs replicated volume shared storage with redundancy in RHEL/CentOS 8 Linux GlusterFS Replication Volume Type

A Kubernetes Persistent Volume (PV) is a piece of storage in the cluster that has been provisioned by an administrator or dynamically provisioned using Storage Classes

A Kubernetes StatefulSet makes sure pods are rescheduled in such a way that they retain their identity and state. It also allows you to easily scale the number of pods up and down.

The Kubernetes API server can be configured to use Role Based Access Control (RBAC) to check whether an action is allowed to be performed by the user requesting the action

Steps to perform kubernetes upgrade version requires updating controller followed by worker node. Update kubeadm and drain the node.

HashSet Java class is used to create a collection that uses a hash table for storage. It inherits the AbstractSet class and implements the Set interface. HashSet stores the elements by using a mechanism called hashing

A Java regular expression is a special sequence of characters that helps us to match or find other strings or sets of strings, using a specified syntax held in a pattern

In java programming language, we have three different kinds of methods through which we can take java user input including Scanner class, Buffered class, and console class

There are multiple java boolean operators such as logical operators that include logical operators, like the logical AND and logical OR as discussed above, unary operators like NOT and bitwise operators

The java DecimalFormat class is used to apply decimal formats that are user- defined, to apply java DecimalFormat we use the class java.text.DecimalFormat.

In Java, List is an interface in java.util package whereas LinkedList is a class in the java.util package. Both of this data structure is used to store the ordered collection of an elements of same type. The advantage of …

In Java, the LinkedList class is a member of Java Collections Framework present in java.util package. This class implements List interface along with other interface like Serializable, Cloneable, Iterable, collection, …

Examples of SQL NOT IN with Numeric list of values, String list of values, Date list of values, Subquery, columns, Update statement, Delete statement, HAVING CONDITION

SQL RIGHT OUTER JOIN is one type of SQL OUTER JOIN used to retrieve all records from the right table of the join and match records from the left table side of the join, the records for which there is no matching record …

The ArrayList class implements a List Interface. So, this acts as a list. While the LinkedList class implements both List and Deque Interface. So, this acts as a both list and deque.

HashMap is hash table based implementation of Map interface, Hashtable class implements a hash table, which maps keys to values. HashSet is a hash table based implementation of Set interface.

In this tutorial, we covered constructors and methods of CopyOnWriteArrayList class along with the important operations that can be performed using the built- in methods

Step by step instructions to setup and deploy multi-node kubernetes cluster on Rocky Linux 8 using containerd and calico CNI

An escape sequence in java refers to a character proceeded by a backslash(), the escape sequences have special meanings. In java, while declaring a string, a

Failure to understand the Nodejs base64 encode process could hinder you from maximizing the runtime environment's potential in data transfer.

Object mapping enables you to handle data comfortably. However, the main challenge of implementing Nodejs map is that objects lack the native map method that

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Understand what is the difference between cinder vs swift storage OpenStack. Compare cinder vs swift storage in OpenStack with logical architecture diagram.