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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...
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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...
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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...
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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 one...
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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 they have some help...
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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....
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9 tee Command Examples in Linux
Linux Tee command is a command line tool, it reads from the standard input and write the result to standard output and files at the same time.In other words, we can say, tee command in Linux used for...
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How to Setup Private Docker Registry in Kubernetes (k8s)
It is always recommended to have private docker registry or repository in your Kubernetes cluster. Docker private registry allows the developers to push and pull their private container images. Once...
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How to Install Graylog with Elasticsearch on CentOS 8
This guide takes you through the installation of Graylog with Elasticsearch 7.x on CentOS 8. Graylog is an opensource log management solution that was founded in 2009 for capturing and centralizing...
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How to Configure NGINX as TCP/UDP Load Balancer in Linux
As we know NGINX is one of the highly rated open source web server but it can also be used as TCP and UDP load balancer. One of the main benefits of using nginx as load balancer over the HAProxy is...
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How to Setup Highly Available NGINX with KeepAlived in Linux
As we know NGINX is a highly rated web server which can also be used as reverse proxy, load balancer and HTTP cache. In this article, we will demonstrate how to setup highly available (HA) NGINX web...
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How to Replace Strings and Lines with Ansible
Ansible provide multiple ways that you can use to replace a string, an entire line or words that match a certain pattern. There are two modules that you can use to achieve this: the replace module and...
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How to Install Cockpit Web Console on Debian 10
Cockpit is free and open-source remote server management web console. Using cockpit web console one can do almost all day to day administrative tasks without login in server’s cli. Apart from...
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How to Install Minikube on Debian 10 (Buster)
If you are looking for an easy and cost-effective way of getting started with Kubernetes, then Minikube is your go to resource. So what is Minikube? Minikube is a free and opensource Kubernetes...
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How to Install PHP 8 on CentOS 8 / RHEL 8
Hello Geeks, recently PHP 8 has been released officially. It is a new major version and comes with lot of new improvements and features. In this article, we will demonstrate on how to install latest...
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How to Install PHP 8 on Debian 10
Recently stable version of PHP 8 has been released. This version comes with lot of advance features and improvements. In this guide, we will demonstrate on how to install PHP 8 on a Debian 10 system...
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Top 14 SS Command Examples to Monitor Socket Connections
SS is a command line tool that displays socket statistics and monitor network connections of a Linux system. It has replaced the netstat command which has now been deprecated. The ss command is much...
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How to Boot Arch Linux in Single User Mode / Rescue Mode
Booting any Linux distribution into single user mode (or rescue mode) is one of the important troubleshooting methods that every Linux geek should know. In this guide we will demonstrate how to boot...
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Deepin 20.1 Installation Steps with Screenshots
Deepin is a user-friendly Debian based Linux distribution. It is a free and open source operating system mostly used at desktop level. Recently stable version of Deepin 20.1 has been released. Deepin...
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How to Install and Use Helm in Kubernetes
Deploying applications on a Kubernetes cluster can be a complex affair. It often requires users to create various YAML manifest files to create pods, service and replicasets. Helm is an opensource...
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