Tutonics

How to find out if your Processor is 64-bit or 32-bit

2014-11-19T23:00:00.001+00:00

Usually when installing a Linux distro you have the option to install either 32-bit or 64-bit. This quick guide will help you choose whether you are currently on linux, Windows or Mac OSX.

Find Files Based On Their Permissions

2012-12-30T20:44:00.000+00:00

In this post we'll show you how to use the Ubuntu/Linux find command to locate files on your system based on file permissions.

Dropbox - 16GB Of Free Storage

2012-12-24T10:05:00.000+00:00

How to max your Dropbox referrals for 16GB of extra free storage space.

Linux File Permissions, chmod, & umask

2012-12-19T22:13:00.000+00:00

Understand how Ubuntu / Linux file permissions and special mode bits work. Learn how to change these permissions using the chmod command. Find out how default permissions for new files are configured via a user's umask value.

Easily install Microsoft Office in Ubuntu

2012-12-14T20:28:00.000+00:00

If you are using Ubuntu and need to use Microsoft Office either for compatibility reasons or out of preference this guide will show you how to install it.

Ubuntu LVM Guide - Part 2 (Snapshots)

2012-12-05T00:54:00.001+00:00

In this LVM Guide, we'll show you how to use lvm snapshots for backups and how to revert a logical volume to a previous state e.g. fix your root filesystem if some "experiment" has broken your system.

Ubuntu LVM Guide - Part 1

2012-11-27T23:49:00.000+00:00

This guide will help you get to grips with the fundamental concepts of logical volume management in Ubuntu. We'll then run through preparing disks for lvm, extending and reducing an existing logical volume, and we'll show you how to add a new logical volume.

Performing Actions On Search Results With The Find Command

2012-11-19T22:18:00.003+00:00

Learn how the Ubuntu/Linux find command can perform actions on each result returned from a search. We'll cover actions carried out by find (itself), and combining find with external programs to help you get productive.

Enable Ubuntu Restricted Extras & DVD Playback

2012-11-16T14:18:00.000+00:00

If you have tried to play a DVD in Ubuntu you may have encountered some issues. DVD playback (and other non-free media formats) can easily be enabled following this short guide.

Encrypt & Sign Email Via Thunderbird Mail Using GPG

2012-11-15T22:50:00.000+00:00

Learn how to digitally sign, verify, encrypt, and decrypt Gmail (or any other email) using the Enigmail add-on for Tunderbird Mail in Ubuntu.

Using Thunderbird Mail For Your Email (IMAP vs POP3)

2012-11-13T23:14:00.001+00:00

Use Thunderbird Mail with your Gmail (and any other) email account(s) to allow offline access to important email and allow the set up features such as email signing & encryption.

GPG Encryption Guide - Part 4 (Symmetric Encryption)

2012-11-12T20:28:00.001+00:00

This GPG guide covers how to use the gpg command for simple yet strong symmetric encryption using various different block cipher algorithms.

GPG Encryption Guide - Part 3 (Digital Signatures)

2012-11-07T20:48:00.000+00:00

This GPG guide covers how to digitally sign data in various ways, explains the purpose of digital signatures, and shows how to verify them.

Disable Apport Error Messages - 'The application [app] has closed unexpectedly.'

2012-11-06T15:03:00.000+00:00

Getting frustrated with the number of Apport error messages that keep popping up, like in the image below telling you 'The application [app] has closed unexpectedly.'? Follow these simple steps to disable the messages.

How to Change Update Check Fequency & Automatically Install Security Updates

2012-11-05T16:02:00.000+00:00

This post will show you how to change how frequently your system checks for updates and ensure that you always have security updates installed as soon as they are available.

GPG Encryption Guide - Part 2 (Asymmetric Encryption)

2012-11-04T18:58:00.001+00:00

This is the next post in our series of GPG guides. Here, we cover asymmetric encryption and decryption of data using the gpg command.

How to manage Ubuntu applications and PPAs via the terminal

2012-11-04T18:13:00.000+00:00

If you are new to Ubuntu or the command line here are a few useful software related commands that will help you maintain your system software with just a few key presses.

GPG Encryption Guide - Part 1

2012-11-04T17:27:00.000+00:00

Learn how to use military-grade encryption using GPG. This is the first in a series of guides that will teach you about using gpg for both symmetric and asymmetric encryption.

Using SSHFS To Securely Mount Remote File Systems

2012-10-29T20:38:00.000+00:00

Securely mount remote file systems easily with sshfs. Edit remote files in your favourite GUI editor locally as if they were present on your own box.

An Intermediate Look At The Find Utility

2012-10-28T16:24:00.000+00:00

Use the find command to locate files on your box that were accessed or modified recently, or to find files based on size or owner.

Preparing VirtualBox for Virtual OS Installations

2012-10-26T23:46:00.000+01:00

Whether you want to Install Ubuntu within Windows/Mac or install another OS within Ubuntu this guide will show you how to prepare VirtualBox for a Virtual Installation.

VirtualBox - Virtualization Software

2012-10-26T12:06:00.000+01:00

VirtualBox is a general-purpose full virtualizer, extremely feature rich, high performance and free. VirtualBox is cross platform (Linux, Mac & Windows) and is extremely useful for creating virtual OS installations.

Fix No Sound / Turn Off Auto Mute in Ubuntu 12.10

2012-10-24T11:30:00.000+01:00

If your new installation of Ubuntu 12.10 is has no sound or seems to be permanently muted the following may help.

Fix 'Graphics Unknown' in Ubuntu 12.10

2012-10-24T10:50:00.001+01:00

If your new installation of Ubuntu 12.10 is not detecting your graphics and displaying 'Graphics Unknown' the following may help.

Identify Disk/Swap Hungry Processes with Iotop

2012-10-21T17:19:00.001+01:00

If you need to find out what processes on your desktop or server are doing a lot of disk I/O (reads/writes) or swapping in and out of memory a lot, then take a look at iotop.