SUSE Blog

Author: ab


By: ab

January 9, 2015 11:36 am

5,602 views

LJDT: DOSBox and Game Emulation for Fun

The majority of this series has been very practical, because most of the time I am a dreadful bore and focus on things that are very practical. Want to predictably modify a config file on ten thousand boxes without leaving your computer or manually wasting weeks of your life? Done. Want to read multi-GB files […]

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Categories: Desktop, Free Tools, SUSE Linux Enterprise Desktop, Technical Solutions, Virtualization


By: ab

October 30, 2013 10:09 am

6,358 views

LJDT: KVM, Snapshots, and Disk Resizing

Have you ever wanted to resize a disk in a VM and wondered how insanely painful that would be? After all, from the old days of platter-based spinning drives in computers (sorry to those of you still living in those days), before SANs with resizable LUNs, file-backed VMs, and other marvels of recent times, disks […]

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Categories: Free Tools, Server, SUSE Linux Enterprise Server, Technical Solutions, Virtualization


By: ab

August 7, 2013 2:53 pm

5,947 views

LJDT: LDAP Data and Schema Comparisons

Have you ever wanted to compare data between eDirectory trees, or schema between servers, or objects between entirely different directories (OpenLDAP and eDirectory, for example)? It should be possible, of course, as both systems are accessible via LDAP. Still, how does one go about doing this kind of comparison? Well, because you are running on […]

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Categories: Open Enterprise Server on SLES, SUSE Linux Enterprise Server, Technical Solutions


By: ab

July 18, 2013 11:26 am

18,890 views

LJDT: Reliable Service / Connection Tests; netcat, not ping, is the correct tool

Me: "I cannot get to your site." Helpdesk: "Hmm, let me check. I can ping it, so it must be okay." Me: "No, pinging has nothing to do with access to the site." Helpdesk: "No, you're crazy, I can ping it so it's your problem. Goodbye." If […]

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Categories: Technical Solutions


By: ab

January 7, 2010 3:04 pm

2,242 views

Virtualization: What is required for life, the universe, and everything?

Lately, for a spare project, I have been tinkering with a technology known as OpenVZ. It is (based on my limited understanding) a container-style virtualization technology. A bit of the background is available at various places (http://en.wikipedia.org/wiki/OpenVZ) online (http://wiki.openvz.org/) found via Google, but in a nutshell it is OS virtualization which […]

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Categories: Expert Views, SUSE Linux Enterprise Server, Virtualization


By: ab

November 12, 2009 4:10 pm

6,617 views

ECMAScript/JavaScript Development Without a Web Browser

Have you ever been coding Java and suddenly wanted to do something using loosely-typed variables or worked out an issue with a little less Java-ness? Have you ever wanted to take advantage of the familiarity people have with some languages (ECMAScript/JavaScript) while still using something that is not a web browser as an environment? Have […]

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Categories: SUSE Linux Enterprise Server, Technical Solutions


By: ab

October 8, 2009 4:27 pm

4,894 views

LJDT: The 'watch' command

Do you ever find yourself running a command, pressing the up-arrow, then [Enter], then the up-arrow, then [Enter], then the up-arrow.... this is a great exercise that will get your fingers used to typing random odd key sequences without your eyes paying attention, but otherwise it's a complete waste of time. A command I have […]

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Categories: SUSE Linux Enterprise Server, Technical Solutions


By: ab

September 28, 2009 4:13 pm

6,331 views

LJDT: Base64 Encoding

So going back to the bit about encoding and enciphering consider an early use of encoded data, the ROT-13 encoding. This was done back long before computers came into being, unsurprisingly, for political purposes to hide data from untrusted parties while transferring it between two other trusted parties. The name comes from the word Rotation […]

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Categories: SUSE Linux Enterprise Server, Technical Solutions


By: ab

September 8, 2009 1:54 pm

4,269 views

LJDT: Workspaces

For a while now I have taken for granted the marvelous functionality commonly referred-to as "workspaces" in the X window system. Anybody using a graphical interface with X already probably has this functionality present by default and in many distributions the feature of multiple workspaces is even enabled by default The idea behind this […]

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Categories: SUSE Linux Enterprise Desktop, Technical Solutions


By: ab

August 21, 2009 2:20 pm

3,157 views

LJDT: Installed RPM Size

Sometimes I find myself wondering how big an installed RPM's files really are. Use a simple script to do all of the calculating of file sizes, plus see how to recreate the RPM from the system where the package is installed in the latest addition to Linux Just Does That. So first a refresher on […]

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Categories: SUSE Linux Enterprise Desktop, Technical Solutions

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