This article will help you to understand the basic operations of dockers images and containers. Images and containers are two basic components of Docker’s architecture. A container is launched using an image. An image is a fully packed stack which has everything that needed by an application i.e runtime libraries, environment variable, and configuration files. […]
CentOS
How to Install docker on Redhat Linux (RHEL)- CentOS ?
How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker […]
RHEL7/CentOS 7 – Recover/Reinstall GRUB2 with UEFI
This article will provide the step by step procedure to recover the GRUB RHEL7 / CentOS7 which uses UEFI. In last article, we have demonstrated the BIOS-based system’s GRUB recovery. The newer system ships with UEFI firmware and here is the way to identify BIOS vs UEFI on Linux servers. To recover GRUB2 on RHEL7 /CentOS 7 with […]
How to Recover GRUB on RHEL 7 / CentOS 7 ?
This article will provide the step by step procedure to recover the GRUB on REHL 7 / CentOS 7. GRUB corruption / lost is one of the most common issues on Linux servers/workstations. The possible reasons for grub corruption could be due to bad disk/bug on the firmware or powered off the system abruptly. Systems ships […]
How to find Linux is under BIOS or UEFI mode ?
How would you find your Linux server booted in BIOS mode or UEFI mode? What’s the main difference between BIOS and UEFI? Servers which had shipped prior to the 2011 year have only BIOS firmware installed by default. BIOS is legacy firmware used only on X86 hardware and its 16-bit code. BIOS will take more time for […]