Computers Experimental Converting a list of GPS locations (lat, long) to Australian state names October 24, 2021 / October 24, 2021 by Tim Groeneveld | Leave a Comment Recently, I had the fun experience of converting a CSV file that contained the names of a bunch of cities inside Australia. The CSV file contained four columns: City name Latitude (in DMS) Longitude (in DMS) There were more than 5,000 rows in the CSV file. I wanted to pull a list of all the […] Read more » csv Locations rlang
Apple Computers The best Apple dongle. Is it a Dell DA310? July 23, 2021 / August 5, 2022 by Tim Groeneveld | Leave a Comment My attempts to get the perfect video out of an Apple MacBook to the Dell S2721QS finally is a success! It’s all thanks to Dell. I guess it makes sense. Dell makes the monitor, so I suppose having the Dell DA310 USB-C companion adapter is the right thing to do. That said, I did expect […] Read more » dell
Apple Computers Extracting Dell colour profiles on macOS without Windows July 19, 2021 / August 9, 2021 by Tim Groeneveld | Leave a Comment Dell is notorious for not really supporting Apple’s operating system very well. It’s not just their monitors, but other accessories like their USB-C docks. It’s a shame. I think that Dell has pretty high quality gear. I recently acquired a Dell S2721QS, and wanted to extract the files that are provided in their Windows driver […] Read more » dell
Computers Linux RedHat CentOS 5.7 has been released September 14, 2011 / September 14, 2011 by Tim Groeneveld | Leave a Comment I know I might bag out CentOS at the best of times, but Karanbir Singh – our fearless leader of all CentOS developers has announced the immediate availability of CentOS-5.7 for i386 and x86_64 Architectures. Well, what are you waiting for? yum upgrade. Read more »
Computers Documentation Linux Random Thoughts More snippets September 6, 2011 / December 4, 2012 by Tim Groeneveld | Leave a Comment Yesterday I posted about having an existing ssh-agent load on all new shells. Here are two more handy snippets of code from my .bash_profile The first code snippet is a follow on from yesterday, were I can type ‘lock’ or ‘unlock’ into my shell and the ssh-agent will follow on accordingly. When your ssh-agent is […] Read more »
Computers Linux RHEL, Scientific Linux & CentOS: A sad story indeed August 21, 2011 / August 23, 2011 by Tim Groeneveld | 1 Comment on RHEL, Scientific Linux & CentOS: A sad story indeed I love RedHat Linux. I think it is a beautiful piece of engineering. Hundreds of thousands of man hours spent ensuring systems that have packages installed keep running. Continuously. One thing however that I have found is that my favorite RHEL clone for years, CentOS has been slacking. Bad. For example, RedHat Enterprise Linux 6 […] Read more »
Computers Documentation Random Thoughts Sydney IT Meetup Calendar February 5, 2011 / August 23, 2011 by Tim Groeneveld | 1 Comment on Sydney IT Meetup Calendar Wondering where all the interesting Sydney IT meetups are? I have listed here a rough calendar for 2011. There may be some updates further on in the year as more events are announced. Big Meetups PHPConfAu – Late October. You didn’t hear that form me though because the exact date is yet to be confirmed. […] Read more »
Clustering Computers Linux Holding back way to much! January 15, 2011 / January 23, 2011 by Tim Groeneveld | Leave a Comment A typical day’s worth of updating my machines usually looks a bit like this: [tim@myhost tmp]$ sudo pacman -Syu :: Synchronizing package databases... core is up to date extra is up to date community is up to date multilib is up to date :: Starting full system upgrade... warning: gnome-disk-utility: ignoring package upgrade (2.30.1-1 => […] Read more »
Computers Linux Random Thoughts Handy Hints: Create random MAC addresses January 10, 2011 / January 23, 2011 by Tim Groeneveld | Leave a Comment Quick and simple MAC address generator: dd if=/dev/urandom bs=1 count=3 2>/dev/null | od -tx1 | head -1 \ | cut -d' ' -f2- | awk '{ print "00:50:19:"$1":"$2":"$3 }' I normally have this set up as an alias in my profile under ‘mac’. Read more »
Clustering Computers Linux Clustering 101: Choosing the right web server December 11, 2009 by Tim Groeneveld | Leave a Comment When I faced with a decision of what web server I am going to roll out with, I usually end up picking between two web servers: Apache and Cherokee. Apache is like your grandfather. He is 80 years old, and He has been around for a while. He is not always the guy you go […] Read more »