DevOps_By_M

admin 8081 Nexus: Nexus (or) Sonatype Nexus Nexus is an Open Source Software, It an Artifactory repo, It can be used to store the build Artifacts & retrieve the build artifacts whenever we required. We can store: Artifacts:  Jar, War, Ear Docker:     Docker images Node Js:    NPM Packages What is difference between GitHub & Nexus? GitHub :           We can store Source code.           GitHub is a SCM (Source Code Management Tool). Nexus :           Nexus is an artifactory repo.          It can store your artifacts (Packages). Installation: Nexus   2.X ------------ Nexus   3. X -------------Java 1.8 sudo update-alternatives --config 'java' sudo yum install java-1.8.0-openjdk java -version Yum install java-11-openjdk After extract nexux file. Sonatype-work nexus-version-------------------two directorys created. Creat...

GitHub is a SCM (Source Code Management) Types of SCM: Github Bit bucket GitHub SVN CVS TFS https://ibm.ghe.com   ---------------------------------------Enterprise Edition https://github.com  -----------------------------------------Open Source Admin Activities: Create a Origination Create a Repository Create a Team Add users to the Team Provide Repository access to the Team. Create a Team: Your Origination Teams New Team Provide Repository access to the Team: Select the user (From the list) Change role Maintainer Member Add Repository to the team. Git Commands: git --version git init Working-Area                     Staging-Area                     Local-Repo Untracked files                   Tracked files Employee.java Deploy.sh DBUtils.java                       ...

Linux is started around 1991 by Linus Torvalds. Open Source Linux is a multi-user & multi-tasking OS. Linux is "Case-sensitive". Linux distributions : Redhat Centos Ubuntu SusLinuxux Mandriva Ferodo Debian Gentoo Slackware       Linux File Structure: home:     Users' information    Reddy    Rama    Lakshmi    Krishna bin:      Contains of binary files (ls,mkdir,cd....etc) sbin:       System-bin (Contains of binary files)    bin:        Normal Users can access sbin, bin:   Root user can access Types of users: Admin User-----------Super User--Root User Normal User System User---------[ After installing the packages System user will create them automatically ] etc:                   All configuration files ---------------------------------[  password,shadow,group & sshd_Config...

  Class:01 What is Shell ?          Shell is a programm,          It will take the commands and it will gives to the OS to perform the Commands.          Shell is an interface b/w User and OS. Types of Shells: sh bash ksh zsh csh How to know which shell is installed in our OS?         /etc/shells         cat /etc/shells                  By default  Sh & Bash  shells are installed in our OS.         sh         Bash Which Shell we are using on our OS?         echo $SHELL         ps -p $$         echo $0 How to change the Shell type?         /bin/csh         /bin/ksh        ...