How To Install Nexus on Ubuntu-22.0.4 Operating System?

 Prerequisites 

• Java OpenJDK
• Ubuntu Server with minimum resources 2cpu - 4GB storage T2-medium 
• open security port of nexus port 8081 from any where under edit inbound rules

*Lets Start the process:

1st login to server ubuntu 

sudo apt update -y 

sudo apt-get install openjdk-8-jdk  -y 

java -version

cd  /opt

sudo wget https://download.sonatype.com/nexus/3/nexus-3.41.0-01-unix.tar.gz

sudo  tar  -zxvf  nexus-3.41.0-01-unix.tar.gz

ls

sudo rm  -rf  nexus-3.41.0-01-unix.tar.gz

sudo mv /opt/nexus-3.41.0-01  /opt/nexus

sudo adduser nexus

sudo visudo

After Moving the this file add the data as shown below and Press CLT+X & Y Enter

sudo chown -R nexus:nexus  /opt/nexus

sudo chown -R nexus:nexus /opt/sonatype-work

sudo nano /opt/nexus/bin/nexus.rc

sudo nano /etc/systemd/system/nexus.service

[Unit]

Description=nexus service

After=network.target

[Service]

Type=forking

LimitNOFILE=65536

ExecStart=/opt/nexus/bin/nexus start

ExecStop=/opt/nexus/bin/nexus stop

User=nexus

Restart=on-abort

[Install]

WantedBy=multi-user.target

sudo systemctl start nexus

sudo systemctl enable nexus

sudo systemctl status nexus

Next Move to AWS Portal and Then Open The Port on Security Gruops of The Nexus-Server Under Edit-Inbound Rule Add rule 8081

Then Copy Public-IP of Nexus Server Move to Browser and paste it along with port number like shown Ex: 13.126.173.131:8081

Then Click On sign-In from Portal like shown below  

Then copy the file location using cat it will display the admin password from server like shown

Then Copy The admin Password from Server like shown above and simply sign-in 

Next Chnage the Password and ADD New Password

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