What is Log4j Vulnerability ??

Log4j vulnerability was disclosed on December 9, 2021. It is a serious vulnerability in the java-based logging utility from Apache Software Foundation.This issue was discovered by Chen Zhaojun of Alibaba Cloud Security Team.The flaw has also been dubbed as “Log4Shell,”, and has the highest possible severity rating of 10Log4j is a very popular logging framework used … Continue reading What is Log4j Vulnerability ??

Mount volumes to persist data in local & initialize database in Docker

When a docker container is deleted, relaunching it from the image will start a fresh new container without any of the changes made in the previously running containerThis happens because when we create a new container from an image, we add a new writable layer on top of the underlying stack of layers present in … Continue reading Mount volumes to persist data in local & initialize database in Docker

Key Docker Commands

Pull docker image from repository to local : docker pull <imageName> example docker pull busyboxRun a docker container : docker run <imageName> example docker run busyboxIf there is nothing to execute docker will exit when the process terminatesTo view all containers in local : docker ps -a To view all running containers: docker psTo stop … Continue reading Key Docker Commands