Docker Images
Docker is a platform for developing, shipping and running applications inside a containers. Docker images are those templates which can be used by you to run applications.You can use below link for installing docker on ubuntu system. Install Docker on Ubuntu OS Now we will go through docker commands. This page will show you about […]
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 […]
How to update puppet certificate on puppet client?
You can use below command to update puppet client certificate using below commands. Go to your puppet master and clean client certificate: # puppetserver ca clean <hostname> Now login to client and run below commands: # systemctl stop puppet # rm -r /var/lib/puppet/ssl # systemctl start puppet On Server go and register if needed: # […]
Git
Git is a distributed version control system (DVCS) that is widely used for tracking changes in source code during software development. Git was initially designed and developed by Linus Torvalds for Linux kernel development. It is a free software distributed under the terms of the GNU General Public License version 2. Git is distributed version-control […]
Install Docker on Ubuntu OS
Docker is a community and open source container technology. Docker is platform for developing, running and shipping applications in containers. Containers are very light weight, isolated operating system or environment. It runs for development as well as production. It is widely used due to its portability and scalability character. If you talk about docker architecture, […]
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