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Can't allocate interface tap0lease { interface .

Marius Kruger - Tue, 09/16/2014 - 23:49
Out of the blue my DHCP client started to refuse to obtain an address over openvpn :(

$ sudo dhclient -v -r -w tap0
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Can't allocate interface tap0lease {
  interface .

After some googling I finally figured out how to fix it.I had to delete the "tap0lease" line from /var/lib/dhcp/dhclient.leases :
lease {
interface "tap0lease {
interface "tap0";
option subnet-mask;

It probably broke on a recent upgrade (I'm running Ubuntu 14.04 Trusty):✝

Happy 2014!

Rebel without a Pause (highvoltage) - Sun, 01/05/2014 - 20:31

So, it’s 2014 and I still haven’t migrated away from WordPress to using something fancy written in Python. But who cares? Life is great and I’ve made good progress in lots of other areas :)

I’m getting fitter by the day, last year I joined a running club and I now play squash too, which is working so much better than just going to the gym. Also finally making progress with learning how to play guitar, another ancient goal of mine that had slow progress for a while. It helps that I now live on my own and can make noise whenever I want to. I’m also going for lessons every Wednesday and have some plans to convert my spare room in to a music room. I’ve also gotten into beer brewing. I attended Beerschool via Beerlab, my first batch of American Pale Ale is just about ready for bottling and I’ll probably do that next weekend.

What else? Well, this year I definitely want to be more focused in my free software contributions than in 2013. I want to get my Debian contributions flowing well again with the aim of becoming a Debian Maintainer. Also planning to go to Debconf in Portland, Oregon in August. Then there’s LTSP which is working towards LTSP 6, which will see a huge shift in proper support for local processing and less on thin client support. Not sure how far my involvement will stretch there but I’m certainly very interested and will do my best to make the LTSP hackfest later in the year. The next 2-3 months will need the most focus on Edubuntu. The 14.04 LTS release will be a big release and the single-sign-on directory infrastructure that will be released along with it will mark a big milestone for the project.

Well, to anyone still reading my blog, have a great 2014!

Who blogs now days?

Rants of a Mobile Dev (drubin) - Tue, 12/10/2013 - 20:13

So it appears no one blogs any more? I know I haven’t.

Recently I have wanted to start writing up my thoughts the problem is I never know where to start or what to say. So for now this is me starting to write things down again.

Hopefully in the very near future I might have something useful to write again. Over the last year I have been working on some of the most amazing technology I have ever worked with oddly enough based on Microsoft C#. Its a nice language its a pity about window’s lack of a Terminal :P but I do get to play with shiny new toys like the Kinect and some rather amazing interactive applications.

2012 — The year that was and looking forward to 2013

The Technical Side (mariusb) - Mon, 12/31/2012 - 08:49

2012 was one of those years that was not that bad (well the world did not end) at all but I cannot say that it was great either.  So what happened during the year:

  • Work — I changed jobs.  I started the year off working for Fundamo/VISA and during the first half decided to make a change.  I got an offer from Internet Solutions and accepted the offer and started working for them on 1 July.  Must say that it was probably the best decision I made all year.  I have a great team and IS is a great company to work for and I am very excited to be part of them.  To see how the internet in SA operate is a real eye opener and I believe over next year or so we will see lots of change particularly around Fibre and wireless technologies like LTE and WiBand.
  • Children – My son completed his Chemical Engineering degree at Stellenbosch University and obtained his degree on 13 December.  Was a very proud moment for myself and I am so proud of my son.  He is now looking for work but it is tough going so if anybody has some contact or know of something, then please contact me and let me know.  My daughter is still studying for her B.Sc (Human Sciences) degree and hope to complete next year.  I am so lucky to have 2 great kids that is doing very well.
  • Personal – My son was in an accident with my car and the car was written off, my son was fine.  This meant that I had to go car hunting and eventually decide on a Kia Rio 1.4 TEC Sedan and must say that I am very surprised how well it is behaving.  It has all the bells and whistles as standard and after driiving it for about 8 months, I do not have any complaints.  Little bit loose on the road in windy conditions but I have now got used to it with all the wind here in Cape Town.
  • Social – On the social front nothing realy changed.  Now that work has been sorted out and children are mostly done with studies, I want to spend some more time in 2013 socially and have a more balanced life.  Time to meet new people and make new friends.
  • I have to add something (and the people that know me will enjoy this) about technology.  2012 was the year I started using a Mac (MacBook Pro 13inch) and must say, I am getting used to it and it is way better than Windows I used for work.  I am a Linux person and the Mac allows me to still get to the underbelly where I can tinker and where I still have some control over what I do on my machine.  On the cellphone side, I upgrade to a HTC One X and am very happy with the phone itself.  However I am very disappointed with the support from HTC South Africa particularly in rolling out Android Jelly Bean to their user in South Africa.

I am looking forward to 2013 and make it the year where I spend more time on myself and what is important to me. I do not make new year resolutions since we break them in any case.  I just want it to be a year of happiness and prosperity.  Oh and hopefully will get some time to take out my golf clubs and get on the course again.  This is something I realy neglected in 2012.

To all my friends, family and whomever read this, I wish you all the best for 2013 and may it be a great year.

Crunchbang Linux, minimal and mouseless

Monkeying Around (kbmonkey) - Wed, 11/09/2011 - 14:54

Who can use these laptop and netbook touchpads, trackpads, whatever you call the thing you-accidentally-tap and lose-focus-and-type-into-the-wrong-spot.

Specialized layout keyboard navigation is the way to go!

Customized Conky to a top horizontal bar, always visible by setting my desktop margins. Installed Pytyle to organize my windows running on top of Openbox, with vi-like keybindings relying on the Super key, And then hacked in a few Openbox global shortcuts for easy volume management and frequently used applications.


Crash course in navigation

So far I can manage 99% of tasks using the keyboard layout I set out below.

The Super is also known as the Winkey

Window shortcuts

cycle the focused window, Super-J/K

move the active window between panels on the screen, Super-Ctrl-J/K

move the active windows to another desktop, Super-Shift-J/K

switch desktops, Super-Alt-J/K

Change master tile size, Super-H/L

Add/remove master tiles, Super-./,

Media shortcuts

Ctrl-Ins, up volume

Ctrl-Del, down volume

Ctrl-Backspace, pause/play music

Super-V, alsa volume mixer

Super-M, mocp music player


CLI Mode

When it comes to flash in websites that steals your focus, I feel like screaming. Due to bandwidth limits I use the text-mode CLI browser Elinks, and the CLI mail client Alpine.

I rebound many Elinks shortcuts for a vi-like experience to scrolling the page, within the page, browsing history, selecting links and so forth.


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