Realtek RTL8191S in Ubuntu 10.10

Errors:

$ sudo ifconfig wlan1 up SIOCSIFFLAGS: Resource temporarily unavailable $ dmesg usb rtl819xU:FirmwareDownload92S(): failed with TCR-Status: a rtl819xU:ERR!!! _rtl8192_up(): initialization is failed!

Solution 1:

To get this wifi dongle working I simply had to download the above firmware and place it in /lib/firmware/RTL8192SU/ and then reboot my computer. You should check that location […]

HowTo: Mount USB Persistent casper-rw File in Linux

So, you’ve created an awesome Live USB Linux stick with a persistence file which let’s you boot anywhere and carry all your sweet sweet datas around on it too. If you want to see those files in Linux on your desktop or laptop outside the USB you’re going to have to mount the loop […]

Using pdfcrop to Remove White Margins | Ubuntu

One of the most annoying things about PDF files are their fixed font size, the only real way of getting a better view at the text is to zoom the whole page in. This isn’t really a fix for that annoyance but it’s a way of getting more info to screen ratio by removing […]

Auto Sync Kindle in Ubuntu

For Christmas I got a Kindle 3 and it was instantly filled with Free eBooks (http://www.gutenberg.org/wiki/Main_Page) and research papers (PDFs). I found myself wanting to be able to automatically synchronize it with a folder on my desktop when it was plugged in and found no one else had posted online how to do […]

How To: Fix “Failed to download repository information Check your Internet connection.”

If you’re getting this error but you’re still connected to the internet this page might help. This error is sometimes caused by repository’s which are down or broken.

Failed to download repository information Check your Internet connection.

From terminal run the following command:

sudo apt-get update

If the output runs through a few […]

How To: Restore Default sources.list

Having gone through several upgrades and countless repository’s added to the software sources, things can begin to get really messy really quickly and often begin to screw up when updating the system if you’re not careful. You may find yourself, like I have, wanting to restore your sources.list file back to its default in […]

Linux Cheat Sheet

I wanted a cheat sheet which would display pretty nicely on my Kindle 3, I found a bunch of great ones but none were formatted well to fit on the Kindle so I went ahead and compiled my own from the most useful stuff I found on the others. I’ve put in commands for […]

How To: Install Pyrobot in Ubuntu

A quick guide for getting pyrobot running in Ubuntu, I’ve managed to get it running on 32bit and 64bit Ubuntu (10.10) so follow the guide accordingly to whichever architecture you’re using (64bit is about half way down the post).

32-bit

1. Download this file, or copy the below into a file and save it […]

How To: Fix “Unknown keyword in configuration file.” Ubuntu USB Boot

Attempting Boot From USB Device

SYSLINUX 3.63 Debian-2008-07-15 EBIOS Copyright (C) 1994-2008 H. Peter Anvin Unknown keyword in configuration file. boot: _

After creating a USB bootable version of Ubuntu from the Startup Disk Creator (or usb-creator-gtk) and attempting to boot, I was greeted by the error above. It might […]

Ubuntu Disconnecting from Wi-Fi and Failing to Reconnect.

I have an updated fix for this issue using a startup script to connect and a time scheduled script for checking the connection, rather than having one constantly running in the background, avalible here – http://alexsleat.co.uk/2011/01/09/a-more-elegant-solution-to-ubuntu-wi-fi-reconnecting-issue/

I’ve been having some trouble with my wifi on Ubuntu recently but I think it’s because […]