Oftentimes, Ansible plays contain various sets of variables. The tasks to be carried out using these variables vary according to the nature of these variables. And this is where Conditional statements come in. Conditional...
Monitoring Linux system is one of the most quintessential task that any Linux user or a systems administrator needs to carry out round the clock to ensure the system is running smoothly and avoid...
Time plays an important role in Linux servers specially when they are used in banking, stock markets and other financial sectors. If we want all our Linux servers should have the correct time, then...
Grafana is a free and opensource tool for querying, analyzing and visualizing metrics from an array of multiple data sources whether physical or from the cloud. With Grafana, you can create, explore and share...
Prometheus is an open source monitoring, querying and alerting tool. Originally built by Soundcloud in 2012, the feature-rich tool has been adopted by several companies to monitor their IT infrastructure and ensure all systems...
Developed in the 80’s by students at Berkeley University, BIND (Berkeley Internet Name Domain) is an open source DNS server that provides DNS services on Linux distributions. So, what is a DNS server ?...
For day to day operations tasks, sometimes Linux geeks have to boot Linux server in single user mode for recovering the root password, repairing file system errors, fixing incorrect entry of fstab and disabling...
KVM stands for Kernel based Virtual Machine, KVM is a free and open source type 2 hypervisor which is installed on top of Linux like distributions. Once the KVM is installed on your system...
Podman is a free and open-source daemonless container platform that was built to develop, manage and deploy containers and pods on a Linux environment. Pods are group of containers which are usually deployed on...
Linux Server hardening is one of the important task for sysadmins when it comes to production servers. It is recommended that one should enable login or ssh attempts policy, means user’s account should be...
Htop is a command-line utility that is an improved version of the top command. It displays crucial system metrics such as tasks running, PIDs, uptime, load average, memory utilization and a load of other...
Red Hat has provided two GUI tools for centralized management of remote nodes using Ansible. Ansible Tower AWX Ansible Tower is a web-based interface and REST API endpoint for Ansible. It provides centralized logging...
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