John D K

Ubuntu Linux add VirtualBox Guest Additions

Problem If you want to use VirtualBox and Ubuntu Linux

Ubuntu 16 install and uninstall nginx

In this post: * Install default nginx * sudo apt-get install

Ubuntu 16 reset root password

Problem If you have lost your admin account password then

Install Groovy on Ubuntu 16

Problem If you need to have groovy on your server

Install Java 8 on Ubuntu 16

Problem Java / JVM (Java's virtual machine) / JDK are

Java 8 copy, move and delete files

Problem In java 8 working with files is easy and

Java 8 iterate, check and read files

Problem Working with files is a trivial task when you

Java 8 String concatenation

Problem String concatenation is nice technique used by programmers to

Java 8 get current Day, Month, Year

Problem If you need to get the current date in

Ubuntu and Linux Mint vs Meltdown and Spectre Vulnerabilities

Problem The beginning of 2018, several vulnerabilities in most used