Portainer is a useful and critical program that assists a user in managing docker containers through a user interface. A user has the ability to stop, delete, and restart containers; even provides the ability to log into the user interface. You can adjust containers settings, manage resource, and manage from within inside the container to gain perspective.
Just think of Portainer as the GUI version to manage your containers compared to using CMD Line; while having powerful functions such as replication or amending containers on the go!
** Ideal for Apps to communicate between with one another. Click Here
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Setting Up PortainerSetting up Portainer is fairly simple. Once Portainer is loaded up, an admin/password login page is loaded up.
If portainer is asking to login and has not been setup, close the browser and reopen the page again. Users who had Portainer running on the same domain, ip, or port in the past usually encounter this error. Again, if so... close your browser and visit the link again.
Set up this application soon as it is deployed. If a third party accesses Portainer, there is a chance they can use it to carry out malicious attacks and gain control of the server!
Local or Remote?
Set up Portainer to operate locally; not remotely (unless you know what you are doing). Failing to do so will result in you being unable to access Portainer.
No Access / Lost Portainer Password
If you messed up this process, no worries; utilize the follow code:
sudo docker stop $app && sudo rm -rf /opt/appdata/portainer && sudo rm -rf /pg/data/portaioner && sudo docker restart portainer
or utlize PG's uninstaller and reinstaller of Portainer