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dmraid: Trials and tribulations

Submitted by Druss on Fri, 2008-02-01 03:15

I have a Gigabyte board with an nForce 430 chipset that supports RAID. I was hoping to use it to create a simple RAID1 mirror using two hard drives to protect my previous MP3 collection. The system in question is an updated Kubuntu Gutsy box.

Before we start, this is the first time I am playing with RAID and the information below might very well be wrong. Please feel free to correct me :)

hal-storage-fixed-mount refused uid 1000

Submitted by Druss on Tue, 2007-12-11 13:09

Twice over the last couple of weeks, I've added a new drive to my Kubuntu box and run into the error hal-storage-fixed-mount refused uid 1000 when I attempted to access any existing partitions via Dolphin or Konqueror. The first time this happened was with a Windows drive with NTFS partitions and the second time with a drive from another linux box with reiserfs partitions.

Mplayer: gnome_screensaver_control() error message

Submitted by Druss on Mon, 2007-11-12 12:39

If you constantly see a gnome_screensaver_control error dialog when you open Mplayer in Kubuntu, you can fix it by unchecking the "Stop XScreenSaver" option in Mplayer preferences (under the Misc tab). The preferences and other menu options can be reached by right-clicking on either the video or controls windows.

Looks like a packaging issue.

apt-get-upgrade : "The following packages have been kept back"

Submitted by Druss on Sun, 2007-11-04 12:08

If you ever find yourself running into a monotonous

"The following packages have been kept back"

error message when you run sudo apt-get upgrade, then the "fix" is to either run apt-get dist-upgrade which is quicker, but sounds more ... dangerous or to run apt-get install [package list] where package list is a list of all packages that have been kept back.

Setting up temperature sensors with Ksysguard

Submitted by Druss on Sat, 2007-11-03 18:49

Following my recent adventures with my motherboard, I wanted to set up a temperature sensor on my Kubuntu desktop, so that I could keep an eye on my motherboard temperature. Searching the repository came up with a number of potential options including ksensors. However, when I installed ksensors I couldn't find a temperature option; just memory usage and stuff.

Restarting system services in KDE

Submitted by Druss on Mon, 2007-09-03 19:47

Here's a simple how-to on restarting services in KDE. I will be alluding to this article in other guides on this site, rather than repeating myself every time - Lazy organisation, I call it :)

  1. Click on KMenu and select System settings.
  2. Select the Advanced tab and click on System services.
  3. Click on the administrator mode button and enter your superuser password.
  4. In the huge list of services on the left, navigate to the service you would like to restart.

Installing and setting up Tor & Privoxy in Kubuntu & Firefox

Submitted by Druss on Mon, 2007-09-03 19:17

Tor is an open source project that allows users to utilise the Internet anonymously through the use of something along the lines of distributed proxies - the Onion router network. Privoxy is more of a local web proxy that, when configured correctly, can protect your privacy by filtering such information at the source. Together they are an effective and user-friendly (but not necessarily perfect) solution to preserving your anonymity on the Internet.

KDE: autostart programs upon login

Submitted by Druss on Thu, 2007-05-24 12:14

The following applies only for KDE 3.x and was the original article:

KDE for all its eye candy and general slickness really sucks on some basic points. One of these is with auto-starting programs upon login. Suggestions to get this working almost always involve having the use the command-line or following a prolonged series of steps for a task which should ideally involve no more than a few clicks. Usually, most people suggest the following as a solution even to newbies:

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