I tend not to question the need for multiple versions of Java. Only this week I found myself installing GraalVM Java 8 after something would not work as a native-image with GraalVM Java 11.
On Fri, Feb 28, 2020 at 4:44 PM John G. Weed <nonsequi...@fastmail.com> wrote: > I will try to build one without the JDK 8 and see what happens; if it > works, I will update my instructions. As for your comment "You could never > compile something heavy on that thing..." I guess that depends on what you > mean by heavy. The RPi4 is the only hardware platform, given it's physical > size, that met our performance metrics--we've been waiting a long time for > this capability. We've tried the BeagleBone Black and some others, but wold > not run the Ubuntu operating system. And as I elluded to, this was > important. > > Thank you for your inputs > > > > On Fri, Feb 28, 2020, at 21:34, Emilian Bold wrote: > > I'm not entirely certain why you installed Java 8 from Oracle when you > > also have JDK 11 in the repository and NetBeans runs with Java 11. > > > > The RPi is a capable machine, only slow part is the IO... You could > > never compile something heavy on that thing although in the past you > > would have compiled many things on a quad core / 4GB machine. > > > > --emi > > > > On Fri, Feb 28, 2020 at 11:26 PM John G. Weed <nonsequi...@fastmail.com> > wrote: > > > > > > All, > > > > > > Forgive me if this needs to be sent via some other venue, but since > this has been such a pain in the butt to find an answer to, I thought I'd > write out the steps I followed to build a Raspberry Pi 4B (4GB) running the > Ubuntu 18.04.4 LTS operating system, with the xubuntu desktop, for the > purpose of running the NetBeans 11.2 IDE with (most importantly) support > for the NetBeans 8.2 C/C++ plugin--one long run-on sentence. > > > > > > Our software baseline is currently running on some pretty hefty HP > DL-380s (the Enterprise version), as well as some smaller tactical units. > But we were missing a portable, pocket version platform. I wanted to be > able to use not only the same operating system (Ubuntu 18.04), but the same > IDE as well. This would dramatically decrease any cross platform > maintenance issues. The following steps make this entirely possible. Many > thanks to the folks who provided valuable suggestions. > > > > > > The following are the steps required to build a Ubuntu 18.04.4 LTS > server based on the Raspberry Pi 4B (4GB) platform supporting the Apache > NetBeans 11.2 IDE with the NetBeans 8.2 C/C++ plugin. If you are already > well versed in Ubuntu and Raspberry Pi you may find the instructions a tad > verbose. However, in order to reach the widest possible audience, I’ve > taken the time to illustrate in excruciating detail. Please forward any > changes or correction to nonsequi...@fastmail.com. > > > > > > Required: > > > > > > Raspberry Pi 4B 4GB > > > > > > HDMI monitor > > > > > > USB Keyboard and mouse > > > > > > USB power supply > > > > > > 16GB MicroSD > > > > > > Windows 10 or equivalent PC (to burn Ubuntu image to MicroSD card) > > > > > > Windows PC Steps: > > > > > > Wipe-clean (delete all exiting partitions) and format the 16GB MicroSD > card using MiniTool Partition Wizard or equivalent > > > > > > Download file ubuntu-18.04.4-preinstalled-server-arm64+raspi3.img from > site https://ubuntu.com/download/raspberry-pi > > > > > > Using Win32 Disk Imager or equivalent, write the > ubuntu-18.04.4-preinstalled-server-arm64+raspi3.img to the MicroSD card. > > > > > > Raspberry PI 4B (RPi4): > > > > > > With power off, connect monitor, keyboard and mouse to the RPi4 > > > > > > Insert imaged MicroSD card into the RPi4 and power up > > > > > > Login using username "ubuntu" and password "ubuntu" > > > > > > Respond to the change password request as appropriate and login > > > > > > Update configuration sources by entering: sudo apt-get update > > > > > > Install xubuntu desktop environment by entering: sudo apt-get install > xubuntu-desktop > > > > > > Login to RPi4 using the changed password > > > > > > Run the Software Updater application, if it doesn’t start > automatically, to update the various operating ystem components before > continuing further; this include any requested reboots > > > > > > Using the Firefox browser, download file > jdk-8u241-linux-arm64-vfp-hflt.tar.gz from site URL > https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html > > > > > > Bring up a Terminal window and enter the following commands to expand > and install the java components necessary to run NetBeans-11.2: > > > > > > cd Downloads > > > > > > sudo mkdir /usr/lib/jvm > > > > > > sudo tar xvf jdk-8u241-linux-arm64-vfp-hflt.tar.gz --directory > /usr/lib/jvm/ > > > > > > /usr/lib/jvm/jdk1.8.0_241/bin/java -version > > > > > > /usr/lib/jvm/jdk1.8.0_241/bin/javac -version > > > > > > sudo apt-get install openjdk-11-jdk > > > > > > java -version > > > > > > sudo update-alternatives --install /usr/bin/java java > /usr/lib/jvm/jdk1.8.0_241/bin/java 1 > > > > > > sudo update-alternatives --install /usr/bin/javac javac > /usr/lib/jvm/jdk1.8.0_241/bin/javac 1 > > > > > > sudo update-alternatives --config java > > > > > > sudo update-alternatives --config javac > > > > > > Using the same Terminal window, enter the following command to > baseline the NetBeans dependencies: > > > > > > sudo apt-get install g++ > > > > > > sudo apt-get make > > > > > > Using the same Firefox browser, download file > Apache-NetBeans-11.2-bin-linux-x64.sh, to the Downloads directory, from > site URL > https://www.apache.org/dyn/closer.cgi/netbeans/netbeans/11.2/Apache-NetBeans-11.2-bin-linux-x64.sh > > > > > > From the Terminal window, enter the following to begin the > installation of the NetBeans 11.2 application: > > > > > > sudo chmod +x Apache-NetBeans-11.2-bin-linux-x64.sh > > > > > > sudo ./Apache-NetBeans-11.2-bin-linux-x64.sh > > > > > > Note: The installation procedure will prompt for the location of the > JDK for the Appache NetBeans IDE:… Select the > /usr/lib/jvm/java-1.11.0-openjdk-arm64 > > > > > > When the installation procedure completes, which may or may not > require a restart, start the NetBeans 11.2 application from the start menu, > path Whisker Menu→Development→Apache NetBeans 11.2 IDE, and execute the > following to setup NetBeans 8.2 C++ support: > > > > > > Bring up the Plugins Settings menu by following Tools→Plugins→Settings > > > > > > Under the Configuration of Update Centers, check the NetBeans 8.2 > Plugin Portal box > > > > > > Under the Automatically Check for Updates drop-down menu select Every > Startup > > > > > > Close the Plugins window and restart the NetBeans application > > > > > > When the application restarts, bring up the Available Plugins menu by > following Tools→Plugins→Available Plugins > > > > > > Check the box for C/C++ > > > > > > Click the Install button and proceed with the installation > > > > > > Once again close the Plugins window and restart the NetBeans > application > > > > > > For my particular application, I did the following to verify the > installation; simple but effective: > > > > > > Start the Apache NetBeans 11.2 IDE application > > > > > > File→New Project→C/C++→C/C++ Application->Next > > > > > > > Leave all of the defaults, with the exception of changing version to > C++14->Finish > > > > > > To compile press Fn/F11 > > > > > > > > > Note: This configuration compiled slightly more than 100,000 lines of > code in about 28 seconds, a coarse estimate. Not too bad. > > > > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: users-unsubscr...@netbeans.apache.org > > > For additional commands, e-mail: users-h...@netbeans.apache.org > > > > > > For further information about the NetBeans mailing lists, visit: > > > https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@netbeans.apache.org > For additional commands, e-mail: users-h...@netbeans.apache.org > > For further information about the NetBeans mailing lists, visit: > https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists > > -- Carl J. Mosca
