In this article, we will see how to solve "error: src refspec master does not match any" if you are also getting this error during git push operation. Last night when I was trying to push my release branch changes to the master, I noticed that it was failing with the "error: src refspec master ... Read more
In this article, we will see how to disable or suspend cronjobs in Kubernetes. You might have come across a scenario where you cannot delete a cronjob in Kubernetes cluster, instead you need to put it in suspend state for now so that it cannot create any pod to perform its scheduled job. Although there ... Read more
In this article, we will look into 10 dhclient command examples in Linux. dhclient is a free and open source DHCP client tool used for configuring one or more network interfaces using the Dynamic Host Configuration Protocol, BOOTP protocol, or if these protocols fail, by statically assigning an address. Using dhclient tool, a DHCP client ... Read more
There are hundreds of trending NFT collections that bring their creators million dollars in the form of cryptocurrency weekly and top NFT art blog posts and ratings. Still, not all of them make it till the next year and remain the biggest stars. So, if you plan to invest in NFTs or just explore this ... Read more
In this tutorial, we will go through a quick introduction to GO Programming language. GO is created by small team within Google made up of Robert Griesemar, Rob Pike and Ken Thompson. All of the three creators has been around for a while and worked on some of the major key projects in the past. ... Read more
JavaScript is a lightweight programming language utilized by a variety of websites to script their web pages. JavaScript can enable dynamic interactivity on web pages when used in HTML documents. Moreover, it aids users in building modern web applications that interact with users directly, without reloading the web page each time. JavaScript is widely used ... Read more
In this article, we will see how to release old IP or force renew DHCP lease IP in Linux. Dynamically allocated IP is an IP leased out from a DHCP server for a particular amount of time over a network. If you are using a lease IP then you always have to renew your ip ... Read more
![How to Upgrade Kubernetes Cluster to Some Specific Version [Step by Step] 24](https://www.cyberithub.com/wp-content/uploads/2022/01/upku.jpg)
In this article, I will take you through the steps to upgrade a Kubernetes Cluster. In any organization, upgrading Kubernetes cluster is one such daunting task that if not done properly, it might result in critical production loss. In reality, upgrading k8s cluster is much easier than you think given that you are following all ... Read more
In this article, we will see how you can check logs of multiple pods in a Kubernetes Cluster. In any Kubernetes environment troubleshooting a critical issue requires you to check the logs of the pods in a quick manner to find the root cause of the problem. For this purpose Kubernetes provides kubectl logs <pod> ... Read more
In this article, I will take you through the steps to install Doxygen on Ubuntu 20.04 LTS (Focal Fossa). Doxygen is a free and open source documentation generator and static analysis tools for software sources trees. Doxygen not only supports annotated C++ sources but it also supports other popular programming languages such as C, Objective-C, ... Read more