Category : "Ubuntu"

Ubuntu tips and tricks

How to install Oracle Java 8 on Ubuntu 16.04/Linux Mint 17 (PPA Method)

Install Oracle Java 8 Ubuntu has OpenJDK installed by default, but in certain cases you might need to install Oracle Java instead. It is possible to install Oracle Java manually, however the process is a bit lengthy and requires a lot of steps. Oracle Java can be downloaded from the official website over here - https://www.oracle.com/downloads/ However in this post we shall be installing ...

“Boot Error” with live usb of Ubuntu 15.10 – How to Fix It

Ubuntu live usb boot error I just created a bootable Ubuntu usb drive using Unetbootin, and found that it does not boot properly. On bootup it shows the following error. SYSLINUX 6.03 EDD 20150813 Copyright (C) 1994-2012 H. Peter Anvin et al Boot Error The problem is with the way, the iso is written to the usb drive by tools like Unetbootin. To fix ...

How to Create sub domains on localhost in apache on Ubuntu

Sub domains on localhost When working with apache locally, the common way to use it is though the "http://localhost" url. When doing web development or some kind of testing, you might need to create sub domains on localhost, just like on online servers. This post shows you how to create sub domains inside Apache on localhost. Its easy and takes only a ...

15 simple TOP command examples on Linux to monitor processes

Linux TOP command One of the most basic command to monitor processes on Linux is the top command. As the name suggests, it shows the top processes based on certain criterias like cpu usage or memory usage. The processes are listed out in a list with multiple columns for details like process name, pid, user, cpu usage, memory usage. Apart from the list ...

30 Top Things to do after installing Ubuntu 15.10

Ubuntu 15.10 After installing Ubuntu 15.10 (Wily Werewolf) there are few things you need to do to make it even better. These include installing updates, some configuration tweaks and essential programs. This post shows you simple steps on how to tweak your fresh Ubuntu system for an improved desktop experience. 1. Setup some good dns servers Setup dns servers like Google DNS or OpenDNS. ...

Install Monit (process and service monitoring tool) on Ubuntu/Debian

Monit - process and service monitoring tool for Linux Services on any server need to be up and running and do what they are supposed to do. Automated monitoring is a great aid when it comes to ensuring and maximizing the uptime and availability of all these services. It allows system administrators to get notified and fix problems as soon as ...

How to compile and install wxWidgets on Ubuntu/Debian/Linux Mint

wxWidgets wxWidgets is an application development framework/library that allows developer to make cross platform GUI applications for Windows, Mac and Linux using the same codebase. Its primarily written in C++ but has bindings for other languages as well like Python, Perl and Ruby. In this tutorial I am going to show you how to compile and build wxwidgets 3.0+ on Debian based ...

Install the Gnome Flashback classical desktop on Ubuntu 14.10/Linux Mint 17

The Gnome Flashback desktop environment is a simple and great way to get back the old style classical desktop if you do not like Unity desktop, like many. Gnome Flashback is based on GTK 3 and provides a desktop interface visually similar to the old gnome desktop. Another alternative to gnome flashback is the MATE desktop from linux mint and XFCE ...

Setup a mail server with Postfix and Dovecot on Ubuntu / Debian

Mail system for your own domain You have your own domain name and your very own vps/dedicated server and want to use the domain name for emails. So you need to setup a mail server using an smtp server and an imap/pop server. This tutorial shows you how to setup Postfix (smtp server) and Dovecot (imap/pop server). The task of the smtp ...

How to fix Virtualbox error “Kernel driver not installed (rc=-1908)” on Ubuntu

Virtualbox I recently installed the latest version of Virtualbox (4.3.12) by downloading the deb files from virtualbox.org on Ubuntu 14.04. The installation goes fine, but when trying to run Virtualbox, it reports the following error. Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module ...

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