Hi,
When I tried to install Java package that is required for Jenkins install I see the following error and there is no clue how to get unblocked from this error. OS on the droplet is Ubuntu 18.04.
$ sudo apt install default-jre
Reading package lists... Done
Building dependency tree
Reading state information... Done
**E: Unable to locate package default-jre**
$ java --version
Command 'java' not found, but can be installed with:
sudo apt install openjdk-11-jre-headless # version 11.0.7+10-2ubuntu2~19.10, or
sudo apt install default-jre # version 2:1.11-72
sudo apt install openjdk-13-jre-headless # version 13+33-1
sudo apt install openjdk-14-jre-headless # version 14~18-1
sudo apt install openjdk-8-jre-headless # version 8u252-b09-1~19.10
$ sudo apt install openjdk-11-jre-headless
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package openjdk-11-jre-headless
$
$ sudo apt install openjdk-14-jre-headless
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package openjdk-14-jre-headless
$
$ sudo apt openjdk-8-jre-headless
E: Invalid operation openjdk-8-jre-headless
$
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
Hi @bengaltiger,
The easiest option for installing Java is to use the version packaged with Ubuntu. By default, Ubuntu 18.04 includes OpenJDK version 11, which is an open-source variant of the JRE and JDK.
To install this version, first update the package index:
After the update give
Another try
Regards, KFSys