SysAdmin Archives - Code Curmudgeon

Comments up and running again

Posted on July 28, 2015 by Code Curmudgeon

Just a brief public service announcement. After being made aware over the weekend that the comment system wasn’t working I’ve figured...

SSH Tips – How to Login Securely Without a Password

Posted on March 25, 2013 by Code Curmudgeon

SSH is a wonderful tool and will let do do all kinds of amazing things – not to mention that it does them securely....

Virtual Machine Networking Options

Posted on January 16, 2013 by Code Curmudgeon

I am frequently asked to help people setup virtual machines. One of the most common questions is about how to setup networking properly, so...

Java Memory Settings – JVM Heap Size

Posted on May 9, 2012 by Code Curmudgeon

When you run a Java program you don’t execute it the way you do an executable written in languages like C/C++. The program must...

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Definitioner

CAN (Controller Area Network): Controller Area Network aka CAN aka CAN Bus is a wiring standard for vehicles that enables communication between various components and devices without having a host computer. For example doors, brakes, transmission.
JVM: JVM is the Java Virtual Machine. This is the program that interprets the Java byte code and actually runs a java program. Unlike traditional standalone applications such as those written in C/C++, you cannot simply execute a Java program, you must run it using a virtual machine to translate it to the local or native instructions.
Java Virtual Machine (JVM): JVM is the Java Virtual Machine. This is the program that interprets the Java byte code and actually runs a java program. Unlike traditional standalone applications such as those written in C/C++, you cannot simply execute a Java program, you must run it using a virtual machine to translate it to the local or native instructions.
virtual machine: a system that enables you to encapsulate all the parts of a computer without reliance on hardware. It's a machine, but isn't installed directly on the hard drive at boot time. This allows you to run different operating systems, versions, etc., at the same time without rebooting.
vm (virtual machine): a system that enables you to encapsulate all the parts of a computer without reliance on hardware. It's a machine, but isn't installed directly on the hard drive at boot time. This allows you to run different operating systems, versions, etc., at the same time without rebooting.