Summary:
- Created a ec2 instance
t3.medium with 20GB EBS volume
- Created a key pair to connect to the instance
- Using key pair, connected to the server updated permission using chmod
- Updated the amazon linux server to fetch the latest sources infos
- Installed Java
- Fetched the nexus sonatype application using wget
- Extracted it
- Created new user nexus for running the nexus service
- Change the owner of the folders after extraction using chown
- Updated nexus.rc files to use nexus user only while starting it
- Started the nexus service as a process
- Used admin username and pw generated during extraction
- Tried to run nexus as a service so that it is robust and faliure resistant
- Tried to kill the process, but came back up
- Used commands
sudo systemctl list-units
sudo systemctl list-unit-filessudo systemctl status| start | stop nexus
Takeaways:
- Create a separate user to run apps and services
- Thinks about permissions, ownerships of files and folder
- Make sure to give minimum permission
- Run processes as services to make it resilliant
- Check logs and allow proper permission for read and write
