How To Re-Install MacOS

Author: erics, October 11th, 2020

Format the new USB flash drive as Mac OS Extended (Journaled) and label it “MyVolume” Click the Mojave Download Link: https://itunes.apple.com/us/app/macos-mojave/id1398502828?ls=1&mt=12 Download the installer package from the App store – it will land in the main /Applications folder. Open Terminal and run:

sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

1	sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Full article at Apple Support “How to create a bootable installer for […]

Categories: How-To's, Technology Tags: apple, boot, Bootable, Catalina, createinstallmedia, Download, Drive, Flash, High Sierra, Install, Mac, MacOS, macosx, Mojave, Reinstall, Terminal, USB | No comments

How To Fix Bamboo Start Errors After Java Upgrade

Author: erics, January 21st, 2020

PROBLEM DEFINITION Bamboo Catalina error found in catalina.out:

-Djava.endorsed.dirs=/volumes/data/bamboo/current/endorsed is not supported. Endorsed standards and standalone APIs
in modular form will be supported via the concept of upgradeable modules.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

-Djava.endorsed.dirs=/volumes/data/bamboo/current/endorsed is not supported. Endorsed standards and standalone APIs

in modular form will be supported via the concept of upgradeable modules.

Error: Could not create the Java Virtual Machine.

Error: A fatal exception has occurred. Program will exit.

SOLUTION SUMMARY Correct by using Java 8 instead. Do it manually using alternatives –set, or interactively using alternatives –config. MANUAL PROCEDURE – two steps, one for java and one for javac

alternatives --set java /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java
alternatives --set javac /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/javac

1 2	alternatives --set java /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java alternatives --set javac /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/javac

INTERACTIVE PROCEDURE – two steps, one for java and one for javac

root@bamboo:/root # alternatives --config javac

There are 3 programs which provide 'javac'.

  Selection    Command
-----------------------------------------------
 + 1           /usr/lib/jvm/java-1.8.0-openjdk.x86_64/bin/javac
*  2           /usr/lib/jvm/java-11-amazon-corretto/bin/javac
   3           /usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/javac

Enter to keep the current selection[+], or type selection number: 

root@bamboo:/root # alternatives --config java

There are 4 programs which provide 'java'.

  Selection    Command
-----------------------------------------------
 + 1           /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java
   2           /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java
*  3           /usr/lib/jvm/java-11-amazon-corretto/bin/java
   4           /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java

Enter to keep the current selection[+], or type selection number:

root@bamboo:/root # alternatives --config javac

There are 3 programs which provide 'javac'.

Selection Command

-----------------------------------------------

+ 1 /usr/lib/jvm/java-1.8.0-openjdk.x86_64/bin/javac

* 2 /usr/lib/jvm/java-11-amazon-corretto/bin/javac

3 /usr/lib/jvm/java-1.7.0-openjdk.x86_64/bin/javac

Enter to keep the current selection[+], or type selection number:

root@bamboo:/root # alternatives --config java

There are 4 programs which provide 'java'.

Selection Command

-----------------------------------------------

+ 1 /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java

2 /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java

* 3 /usr/lib/jvm/java-11-amazon-corretto/bin/java

4 /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java

Enter to keep the current selection[+], or type selection number:

Categories: How-To's, Technology Tags: alternatives, Bamboo, Catalina, catalina.out, Config, Endorsed, Endorsed standards, howto, Java, Java 8, java upgrade, java.endorsed.dirs, javac, set, tips, upgrade, Yum, yum update | No comments

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How To Re-Install MacOS

How To Fix Bamboo Start Errors After Java Upgrade

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