Nexus Installation & Configuration step by step

how to install and configure nexus on Linux
===============================
organization name: sonatype
product name: nexus 
purpose: to store build artifacts 
and also docker images 
server requirement: 1.os:amazon Linux
                              2.CPU & RAM: 2CPU 4GB RAM 
                                    select instance type family: t3.medium --very less cost
                                       3.HardDisk:30 GB
                             4.Java software Version 11
                             5.must open the port number :8081
step1: create server with above configuration 
step2: edit the inbound rules means open the port number 8081
       recommended to create security group 
       and open port numbers 22 and 8081
       ex: security group name: nexus
       after creating security group , 
       you must attach to the server
step3:login Linux Server 
step4:install java software version 11 preferable recommended 
      yum whatprovides java
      yum whatprovide python 
      select java version 11 and install into your server
      yum install java-11-amazon-corretto -y































open opt folder 

step5:cd /opt
open nexus download page: 
https://help.sonatype.com/en/download.html
          copy the download link
step6:wget https://download.sonatype.com/nexus/3/nexus-3.87.1-01-linux-x86_64.tar.gz
      after downloading extract the folder 








step7:tar xvzf nexus-3.87.1-01-linux-x86_64.tar.gz
      you will get two folders
      1.nexus-3.87.1-01
      2.sonatype-work
step8:rename nexus folder
      mv nexus-3.87.1-01 nexus3
step9:create a user
        useradd nexus
step10:modify sshd_config file
       vim /etc/ssh/sshd_config
step11:restart the sshd service
step12:open sudoers file 
       (vim /etc/sudoers) -it is not recommended 
       visudo it is recommended 
       nexus ALL=(ALL) NOPASSWD: ALL
       
       SAVE & EXIT --->ctrl+o enter button ctrl+x
step13:Please change ownership and group name for the two folders 
       1.nexus folder 























       2. sonatype-work folder

       we use "chown" command  to change ownership and group


chown -R nexus:nexus nexus

chown -R nexus:nexus sonatype-work


chmod -R 777 nexus

chmod -R 777 sonatype-work


step15: open vim /etc/systemd/system/nexus.service
            copy & paste script
[Unit]
Description=nexus service
After=network.target
[Service]
Type=forking
LimitNOFILE=65536
Group=nexus
ExecStart=/opt/nexus/bin/nexus start
ExecStop=/opt/nexus/bin/nexus stop
User=nexus
Restart=on-abort
[Install]
WantedBy=multi-user.target


















switch to nexus user


step16 :open vim /opt/nexus/bin/nexus.rc


provide user details inside nexus.rc file

            just enter the line
            run_as_user="nexus"
            run_as_user="paparao"

step17:sudo systemctl enable nexus
step18:sudo systemctl start nexus
step19:sudo systemctl status nexus
           now it is in running state 
step20:open browser 
       paste the server Public IP Address:8081
       press enter button
step21: you are able to nexus home and user login page
step22: user name : admin
        password: ?
     the password is available inside sonatype-work folder
     to see the password just use the below 
     cat /opt/sonatype-work/nexus3/admin.password
     you will get the password
     now, copy the password 
     paste it in the login page
step23: now, you are able to see the nexus repositories


Comments

Post a Comment

Popular posts from this blog

Top 10 Git Commands

1.git config  which is used to configure user details  2.git init  which is used to initialize new git repository  3.git add  to send files from working area to staging area 4.git commit  to commit your code changes 5.git status  displays the state of the working directory and the staging area. 6.git log --oneline  display the number of commits  7.git show  display a specific or a particular commit code changes by using 4 characters commit id 8.git push  to push the code from git to GitHub repository  9.git remote  to establish the connection between git to GitHub repository  10.git branch  to displays all branch details 11.git branch branch name to create a new branch  12.git checkout  switch from one branch to another branch 13.git clone  to download the entire repository from GitHub to local repository . that means we create a local copy of a remote repository 14.git pull  to download the l...
Read more

Kubernetes cluster setup NOTES step by step using minikube

 Server Requirement ... 2CPU & 4GB RAM -instance type t3.medium 30 GB disk space  step1: Login AWS Cloud step2: create Linux server  step3: Login Linux Server step4: switch to root user        (sudo -i) step5: create user (useradd paparao(        create password step:6 provide login access        nano /etc/ssh/sshd_config         step7: restart sshd service        service sshd restart             step8: provide sudo access         visudo and press enter         write below statement                paparao ALL=(ALL) NOPASSWD: ALL    Step9: Install docker software        yum install docker -y     step10: check the docker         docker --version step11: add user into docker group     ...
Read more

SonarQube Installation & Configuration Step by step

SonarQube Installation & Configuration Steps ================================== Pre-requisites ========= 1.CPU 2core or more -->min 2core CPU is mandatory  2.RAM 4GB or more ---->4GB is mandatory    (select t3.medium---->You Get 2CPU & 2GB RAM) 3.Harddisk --30GB ---->30GB is mandatory  4.Java Software  ----->java11 or 17 is mandatory                                       go with java 17  5.Operating System---->Amazon Linux I. Create Security Group ================== Step1: Login AWS  Step2: Go EC2 Dashboard step3: Select Security Group Step4: Add port number 22             Add port number 9000             Security GroupName:sonarqube II. Launch Instance & Login Instance ==================================== Step1: Go Ec2 Dashboard  Step2: Create Server...
Read more