In this article (part two) I’d like to focus on the Citrix printing pathways, how they differ and when one or the other will, or can be used. I’ll also highlight the universal print driver, server and printer together with a whole bunch of CTX defaults, best practices including some of the most common troubleshooting tools and a BIG list of takeaways. However, knowing what happens after a user hits print and how traffic flows throughout our infrastructure is probably the best place to start. I have also included a BIG list of takeaways, which is available as a separate download as well.
Continue ReadingApplication Layering questions? I got answers. Graphical cheat sheet included!
Application virtualization (mostly App-V & Thinapp) has been around for some time now, application layering however, is still relatively new. Although assumed by some and theoretically possible in some cases, application layering is not meant as a replacement for application virtualization. In fact, you could say that they go hand in hand. Today there are multiple layering solutions available, and while the concept is the same they all take a (slightly) different approach. By the way, if it’s the (graphical) cheat sheet you’re interested in, I would suggest you scroll down.
Continue ReadingCitrix NetScaler… The basics continued, part six. Content Switching!
Average time to read: 6 minutesIf you have been following this series up till now, meaning you actually have read part one through five, then Content Switching should be a relatively easy concept to grasp. If you understand what a vServer is, how a service and server object are bound to each other and that we use monitors to constantly check if all is up and running then you are basically good to go. All we need now is a content switch vServer and a basic load balance setup and take it from there.
Citrix printing internals cheat sheet… Part one!
Average time to read: 9 minutesA user clicks print, what happens next? When Citrix is thrown in the mix things work a bit differently. Although the Microsoft print basics still apply, and I’ll discuss them shortly, the way that print traffic will, or can be, routed throughout your environment depends on, one: the physical setup of your machines and printers and, two: the Citrix (print) policies configured. Due note that I will only focus on native Citrix printing and won’t go over any of the third party solutions out there.
Citrix NetScaler… The basics continued, part five. Global Server Load Balancing!
Average time to read: 6 minutesFrom a NetScaler perspective Global Service Load Balancing (GSLB) can seem pretty intimidating. In short, GSLB is used as a way to manage and control the traffic flow between two (or more) separate physical locations (data centers) that are, in most cases, geographically dispersed. This can be for either load balancing purposes, high availability, fault tolerance, disaster recovery and so on. The mechanism behind GSLB is based on Microsoft DNS.
My personal Community Edition… The best of September 2015!
Average time to read: 2 minutesThe amount of useful, interesting and fun to read community content in the form of blog posts, webinars, podcasts, tools etc. being shared each month can be overwhelming sometimes. This is my second attempt; I did one for August as well, in collecting some of the most popular blog post shared within the EUC community. Have fun reading.
Houdini’s guide to Citrix printing… My contribution to the first ever Virtual Expo!
Average time to read: < 1 minuteThis was/is the title of my presentation, which I presented at the first ever Virtual Expo powered by Xenappblog.com on September 30th 2015. And what a ride it turned out to be. A great event with some top-notch speakers, awesome content and for me personally it was my first ever webinar. Have a look at the recording below. I really enjoyed some of the research involved, making the slides and of course presenting all this during the Virtual Expo conference, a great initiative. Let me know what you think. Note that I’m also working on a detailed blog post to go with it, give me a few weeks. And yes, I know, I’ll make sure to keep an eye on my mouse pointer the next time :)
Citrix NetScaler… The basics continued, part four. What about SSL?
Average time to read: 9 minutesI think we all know port 443 and the SSL (Secure Socket Layer) protocol that goes with it right? When securing our inbound (incoming) as well outbound (outgoing) network traffic we have to deal with things like certificates, public and private key’s, certificate authorities (CA), and so on and so forth. This can be confusing. Where do certificates get applied, what is a CA, what types of certificates are there and which ones do we use? Also, once applied, how does the NetScaler actually know who it is communicating with and how is traffic secured? Using the NetScaler to offload SSL you say? Let’s have a look.
Nutanix & Citrix… A match made in heaven. In 30 minutes we will tell you why!
Average time to read: 8 minutesThe title of our slide-deck, which we presented at the 7th Dutch Citrix User Group (DuCUG) over at Cisco Systems in Amsterdam (Friday the 25th of September). ‘We’ in this case are Kees Baggerman, Sr. Solutions Architect over at Nutanix, and myself. We talked about Nutanix in general, why XenApp and/or XenDesktop both perform so well on Nutanix, the Acropolis infrastructure, the Distributed Storage and App Mobility Fabric, and of course, last but not least, the Acropolis Hypervisor, the latest addition to the Citrix Certified portfolio. We also touched on some of the services and features already available today (fully supported of course) and briefly highlighted some features which will be available in one of the upcoming Acropolis releases. I also included our slide-deck.
Citrix… What they’re missing or might need to work on. Just thinking out loud here.
Average time to read: 10 minutesDuring the last year or so I had couple of interesting discussions (trough CUGC, Twitter, real life etc.) on what Citrix might need to do from a business and application development perspective. Perhaps sell some of their products, reinvent, recode or reinvest in existing technology, innovate (which they’re doing) perhaps buy another company and so on and so forth. Of course it’s always easy to judge or come up with comments like these being a so-called sideline critic, but it’s not my intention to be the ‘wise guy’ here, I’m just thinking out loud, that is all.
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