Explore Ad Hoc Commands This ansible tutorial about ansible adhoc command and How to Run Ansible Ad-Hoc Commands. You can also visity the below topics. Ansible Tutorial | What is Ansible | Learning Ansible basics What is Ansible Configuration Files Explained with Examples How to install ansible on centos 7 | Ansible Lab Setup After you have successfully configured the Ansible Controller and remote hosts, you can run Ansible ad hoc commands and playbooks as the automon user without being prompted for the password. In this tutorial , you explore ad hoc commands to manage remote hosts. You confi ..read more

This article explains about the install ansible on centos 7. Before creating playbook, we should have knowledge about How to install ansible on centos. You can also visity the below topics. Ansible Tutorial | What is Ansible | Learning Ansible basics What is Ansible Configuration Files Explained with Examples  Prerequisites Befor going to install ansible on centos 7, Below are the highlights Control Node Ansible is uses agentless architecture Differs from other configuration management utilities like Puppet, Chef Software installs on control node Only requirement: Python version 2.6 or l ..read more

This article explains about the what is ansible configuration file and management. Before creating playbook, we should have knowledge about what is Ansible and Configuration Files. You can also visity the below topics. Ansible Tutorial | What is Ansible | Learning Ansible basics Ansible Configuration Configuration File Settings in Ansible parameter via configuration file (ansible.cfg) Default configuration file, /etc/ansible/ansible.cfg, for all the users There may be reasons to change it [root@myaansible ~]# vi /etc/ansible/ansible.cfg # config file for ansible — https://ansible.com ..read more

What is Ansible This ansible tutorial about What is Ansible and Ansible Tutorial for Beginners Ansible is Open source configuration management and orchestration utility  Automates and standardizes configuration of remote hosts and virtual machines  Coordinates launch and shutdown of multitiered applications  Performs rolling updates of multiple systems with zero downtime Ansible was written by Michael DeHaan and acquired by Red Hat in 2015 It run on both configure Unix-like systems as well as Microsoft Windows Creator of Cobbler provisioning application System administrators fi ..read more

This tutorial describe about Linux Fundamentals step by step.  What is Linux ?. Linux is computer open-source operating system whose development started 1970 at AT&T Bell Labs by Ken  Thompson and Dennis Ritchie. Linux and Unix are Written in C Programming. Kernel was first released on September 17,1991, by Linus Torvalds. Linux is typically packaged in a Linux distribution which include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Fo ..read more

This tutorial shows awx ansible installation on CentOS/RedHat 7/8. AWX is an open-source community project sponsored by Red HatAnsible Tower is a web-based solution that makes Ansible even more easy to use for IT teams of all kinds. It’s designed to be the hub for all of your automation tasks. AWX provides a web-based user interface. This tutorial you will learn How to install ansible awx on CentOS 7 steps by steps CentOS/RHEL 7/8. Prerequisites To follow this post to awx ansible installation, you will need one Linux server installed with CentOS/RHEL 7/8, must have root user privileges. Config ..read more

In this Post, we will show Old and New  linux network commands that would help you configure or troubleshoot network-related problems in Linux. Old Command ifconfig -a ifconfig (interface configurator) is basic and commonly used commands for finding network details on Linux system. It is also used to configure network interface parameters. We can use this command to get the IP address, MAC address, etc.  Interface Down command Run the below command to bring down the enp0s3 interface in the system. # ifconfig enp0s3 down Interface UP command Run the below command to bring up the en ..read more

In this Post we will discuss How to scan luns in linux. When we are adding new disk on server sometime that disk is not reflecting on server. Through script we can scanning a Redhat /CentOS Linux server and collect the new disk device names (multipath device names) which one provided by storage team. The script should scan the all the host device for new LUN’s and it will provide the new device name (/dev/mapper/device_name). Once you added new disk on server or the storage team has mapped the new LUN’s with the Linux host, new LUN can be discovered by scanning the storage LUN ID at the serve ..read more

In this Post we will discuss How to Setup SSH Passwordless login in 5 easy steps. SSH SSH(Secure shell) is a software package that enables secure system administration and file transfers over insecure networks. In this post, we will show you ssh passwordless login on Red-Hat, CentOS, Ubuntu and Oracle Linux using ssh keys to connect to remote Linux servers without entering a password. Using Password-less login with SSH keys. If you are connecting with a number of Linux remote servers, then SSH Password-less login is one of the best ways to automate tasks. Test Environment Lab Setup   SS ..read more

In this Post we will discuss what SSH is and how to fix Putty Network error Connection refused. SSH SSH(Secure shell) is a software package that enables secure system administration and file transfers over insecure networks. so if you are trying to do SSH only to see a Network error Connection refused, you may start to feel concerned. However this is common issue, and it is possible to fix it on your own with a bit of troubleshooting. What is SSH?. SSH(Secure Shell), also we are called Secure Socket Shell, is a protocol for securely over an unsecured network. In other words, it is a way to sa ..read more