9 Quick chmod Command Examples in Linux
Chmod command in Linux is used to change or assign permissions on files and directories. In Linux / Unix systems, accessibility to files and directories is determined by file ownership and permissions. In a...
Author: Pradeep Kumar
Top 12 Command Line Tools to Monitor Linux
Being a Linux administrator is not an easy job. It takes lot of time, patience, and hard work to keep the systems up and running. But Linux System Admins can take some breather as...
How to Install Zimbra Mail Server on CentOS 8 / RHEL 8
Mail server is one of the important server for any organization as all the communication are done via emails. There are number free and enterprise mail servers available in the IT world. Zimbra is...
How to Configure NFS based Persistent Volume in Kubernetes
It is recommended to place pod’s data into some persistent volume so that data will be available even after pod termination. In Kubernetes (k8s), NFS based persistent volumes can be used inside the pods....
How to Install Cockpit Web Console on Ubuntu 20.04 Server
Cockpit is a free and open source web console tool for Linux administrators and used for day to day administrative and operations tasks. Initially Cockpit was only available for RHEL based distributions but now...
How to Install and Configure Jenkins on Ubuntu 20.04
Automation of tasks can be quite tricky especially where multiple developers are submitting code to a shared repository. Poorly executed automation processes can often lead to inconsistencies and delays. And this is where Jenkins...
Linux Zip and Unzip Command with Examples
In this tutorial, we touch base on the zip and unzip commands and how they are used in Linux. Zip is a command used for creating an archive file or a zipped file. This...
Top 7 Security Hardening Tips for CentOS 8 / RHEL 8 Server
Once you have installed your CentOS 8 / RHEL 8 server, securing it to prevent unauthorized access and intrusions comes second. As the adage goes , “Prevention is better than cure” so is prevention...
How to Setup Highly Available Kubernetes Cluster with Kubeadm
When we setup Kubernetes (k8s) cluster on-premises for production environment then it is recommended to deploy it in high availability. Here high availability means installing Kubernetes master or control plane in HA. In this...
How to Harden and Secure NGINX Web Server in Linux
Nginx is arguably one of the most widely used free and opensource web server used in hosting high-traffic websites. It is well known for its stability, stellar-performance, low resource consumption, and lean configuration. Some...
How to Boot Linux Mint 20 in Rescue / Emergency Mode
There are some situations like user forget his / her password, file system is 100 % utilized, file system got corrupted and invalid entries in fstab file. So, to recover Linux system in these...
How to Setup NGINX Ingress Controller in Kubernetes
Ingress is one of the important concepts in Kubernetes, which allows external users to access containerized application using FQDN (fully qualified domain name). Though Ingress is not enabled and installed by default in Kubernetes...
