This category contains all the Linux, Solaris and ELK based topics.
In this article, I will take you through top 10 Nginx commands which is important for every Linux Admin using Nginx Server. As per Nginx Wiki, NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. NGINX is known for its high performance, stability, rich feature set, … Read more
In this tutorial, I will take you through Step by Step procedure to add user to sudoers on Ubuntu 18.04. In many cases you might have seen that a non-privileged user has been given sudo access to perform root actions. This is required in many Organization where some tasks cannot be performed without having root … Read more
In this article I will take you through the steps to install Apache Kafka on Ubuntu. Kafka was Originally developed at LinkedIn. Later on, in 2011 it became an Open Source Project. Since then it has evolved as a very important Real Time Data Pipeline application. Kafka basically provides a Distributed Streaming platform which you … Read more
In this article, I will take you through Zookeeper Installation on Ubuntu 18.04. Zookeeper is an external software used to track information that must be synchronized across your cluster. In a Real world Distributed System, Cluster might get into any kind of Failures like individual nodes went down, time drift between the nodes, network go … Read more
In this tutorial I will explain about how to use tar command in Solaris 11. Tar is a widely used tool for archiving and compressing the files in Unix environment. By default if you simply create .tar file then it will be just an archive of the files which is collected and grouped together in … Read more
In this tutorial, I will take you through the different tools that can be used to check/test port connectivity in Linux. Test Port Connectivity You might be aware of curl, netstat, telnet and nc command in Linux: – curl – It is usually used for downloading web pages or files from a Linux/Unix command line. … Read more
In this tutorial, I will take you through the steps to install and use netstat command in Linux. It is basically used to Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. Install and Use Netstat Command Before you go and use netstat command you need to make sure it is installed … Read more
In this tutorial, I will take you through Best Ping Command in Linux. Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol network. It is abbreviated as “Packet Internet Groper”. It is available for virtually all operating systems that have networking capability, including most … Read more
In this tutorial, I will take you through the steps to create a network bonding/teaming in Linux. Red Hat Enterprise Linux/CentOS 7 allows administrators to bind multiple network interfaces together into a single, bonded, channel. Channel bonding enables two or more network interfaces to act as one, simultaneously increasing the bandwidth and providing redundancy. Network … Read more
In this article, I will take you through the steps to install all dependent packages without internet on RedHat/CentOS 7 with the help of an example. Sometimes your server resides in private network with no connection to outside world. For installing packages you cannot use yum to download and install all dependent packages from the … Read more