Synchronize Chrony with Windows NTP Server Easily
Introduction Synchronize Chrony with Windows NTP server is a common requirement in mixed OS environments. When you set chronyd to sync to a Windows NTP source using the default configuration, the server often appears as “unusable.” This blog explains why that happens, and how you can fix it — thereby ensuring your SUSE Linux systems […]
Set Up NGINX Proxy for Database Access
Sometimes we face issues like we have only one IP accessible from outside due to security concern and we need to access other servers from outside. Like Accessing a remote database securely from your local machine especially when direct access isn’t allowed. However, by using NGINX as a proxy for your database, you can efficiently […]
curl command examples in Linux in details
In world of Linux, you must know various commands. One of them is “curl”. It is very powerful utility and helps in playing with URLs. It supports a wide range of protocols. It is used to transferring the data with URLs. Let’s have a look to its examples. Its syntax is “curl [option] [URL]”. A […]
Shells in Linux
What is Shell? Shell is a command-line interpreter in Linux that provides a user interface for interacting with the operating system. It basically interprets the commands entered by the user and executes them by interacting with the system’s kernel to perform the tasks initiated by users. Shells are a very important component of the Linux […]
Installation of Kubernetes Cluster on Ubuntu
Hosts Details for Kubernetes Cluster For configuring Kubernetes Cluster, we are having 1 Master and 3 Worker nodes. Master Node: kb-master.kb.comWorker Node1: worker1.kb.comWorker Node2: worker2.kb.comWorker Node3: worker3.kb.com Prerequisite before installation of Cluster Step1: Set hostname of all servers and make entry in /etc/hosts so that all servers can communicate each other via names. root@kb-master:~# cat […]
Linux Terminal Shortcuts
When you work in Linux Terminal, It involves using keyboard shortcuts to perform common tasks. Here are some useful shortcuts: History Shortcuts: Up Arrow / Down Arrow: Navigate through command history. Ctrl + R: Reverse search in command history. !!: Repeat the last command. !n: Repeat the nth command in history. Navigation Shortcuts: Ctrl + […]
Create a LVM more than 2 TB
How to create an LVM (Logical Volume Management) volume of more than 2 TB from a raw disk in Linux? Creating a larger partition you can follow below steps:Ensure that you have a raw disk with sufficient space for your LVM. You can check space using commads like lsblk or fdisk -l.We can initialize the […]
What is Sar Command?
Sar is a versatile tool that provides crucial insights into system activity and performance. It collects, reports, and archives a wide range of system statistics. Sar is particularly valuable for troubleshooting performance issues and retroactively analyzing load values for various subsystems such as CPUs, memory, disks, interrupts, and network interfaces.By default, Sar log files are […]
VI Editor
VI Editor is a powerful and mostly used text editor in Unix operating system. It is known for its efficiency, speed etc. There are few modes in edior. The most common are Insert mode and Command-Line mode. In insert mode, you can insert and edit text which is in file. While the Command-Line mode allows […]
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