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Show 138 – HP’s Software-Defined Networking (SDN) Strategy and Solution

Show 138 – HP’s Software-Defined Networking (SDN) Strategy and Solution [Written by HP.] There has been a lot of interest in the market place recently around software-defined Networking (SDN). HP has been a leader in SDN technologies from the very beginning. HP has played an instrumental role in the development of OpenFlow and continues to […]

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Ethan Banks

Co-host at Packet Pushers

Ethan Banks, CCIE #20655, has been managing networks for higher ed, government, financials and high tech since 1995. Ethan co-hosts the Packet Pushers Podcast, which has seen over 3M downloads and reaches over 10K listeners. With whatever time is left, Ethan writes for fun & profit, studies for certifications, and enjoys science fiction. @ecbanks
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The post Show 138 – HP’s Software-Defined Networking (SDN) Strategy and Solution appeared first on Packet Pushers Podcast and was written by Ethan Banks.

Save multiple Artboards as indiviudal EMF or WMF files in Adobe Illustrator CS6

I've been creating a set of networking icons in Adobe Illustrator. To get these in a usable vector format for Visio and OmniGraffle stencils I need them in EMF or WMF format. Unfortunately the built-in Export function in Illustrator doesn't support Artboards for EMF/WMF but instead outputs one single file, so I needed to find a different solution...

First of all, I needed to split my main AI file in to individual files for each Artboard.

To do this, I went to File > Save As > Adobe EPS and selected the Artboard option.

Next was to individually export these to EMF and WMF.

First choice was to create a Workflow in Automator but for some reason. Automator's Watch Me Do action was unable to recognise that Illustrator was open - It returned some error about the application not being open (even though it was).

Second choice was AppleScript, but as it turns out Adobe don't have the EMF or WMF available as formats for the export action in their AppleScript library.

Finally I found the "Actions" menu in Illustrator.

I created a new folder called "My Actions"

Create a new Action called "Export to EMF" and started recording the Continue reading

Blast from the past: 10 reasons why JUNOS is better than IOS

Preface

Back in late 2009 I wrote my first ever blog post. It must have been ok because I got some comments, a few RT's on twitter and it made @Etherealminds Internets of Interest. Since technicast.net is no longer I thought I would post this here for future reference.

10 Reasons JUNOS is better than IOS - 7th July 2009

Last week I started on the JNCIA Fast-Track course and I was very impressed. JUNOS is a very good platform and I was amazed at the features and felt compelled to write this down. Maybe Cisco could take some pointers for the next incarnation of IOS…

1. The Candidate Configuration – While IOS has only a running and start-up configuration, JUNOS adds a candidate configuration to the equation. When you make changes, you make them to the candidate configuration. These changes must the be committed before they take effect. This means I can review all of my changes before writing them! (No more frantic notepad copy and pasting)

2. Handling of Multiple Shell Users – The candidate configuration also offer unique ways of handling multiple users wishing to edit a config. By default all users edit a common candidate Continue reading

Adding an image to DevStack

I had some time to play with OpenStack this week so I rolled a DevStack install on an Ubuntu VM running in Parallels on my MacBook Air following the instructions here. Once OpenStack was up and running I was able to log in to Horizon at http://localhost/ and started to poke about. I decided I wanted to try and create a compute instance just to see what all the fuss was about … as it turns out, you need to have an image to base this instance on.

With a little bit of help from the OpenStack documentation and a little bit of trial and error I was able to quickly upload an image as follows:

First things first. Create a directory for your images:

mkdir /tmp/images
cd /tmp/images

Then grab the latest CirrOs image with wget:

wget -c https://launchpad.net/cirros/trunk/0.3.0/+download/cirros-0.3.0-x86_64-disk.img

We can then upload to glance:

glance --os-username=admin --os-password=password --os-tenant-name=demo 
--os-auth-url=http://localhost:5000/v2.0 image-create --name 
cirros-0.3.0-x86_64 --disk-format qcow2 --container-format bare 
< /tmp/images/cirros-0.3.0-x86_64-disk.img

+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| checksum         | 50bdc35edb03a38d91b1b071afb20a3c     |
| container_format | bare                                 |
 Continue reading

Adding an image to DevStack

I had some time to play with OpenStack this week so I rolled a DevStack install on an Ubuntu VM running in Parallels on my MacBook Air following the instructions here. Once OpenStack was up and running I was able to log in to Horizon at http://localhost/ and started to poke about. I decided I wanted to try and create a compute instance just to see what all the fuss was about … as it turns out, you need to have an image to base this instance on.

About Me

I'm Dave Tucker. I've worn many hats in the past (including a Red Fedora). From Consultant to Engineer, from Technical Marketing to Product Management but there is always one thing that remains constant. My love of making things that delight people.

I've helped to build a number of successful open source software products (for details see my Github profile). I co-founded and built SocketPlane which was acquired by Docker in March 2015. I'm currently helping to build Docker for Desktop (macOS and Windows).

My passion continues outside of work where I enjoy experimenting with single-board computers (Arduino, Raspberry Pi, Beaglebone, Cubieboard et. al) and 3D Printing. When I'm not tinkering, I can be found spending time with my family, cooking or practicing Tai Chi.

If I'm not making, I like to be talking about making. To that end, I've spoken at conferences and events across the world about technical topics like Networking and Docker containers. I'm a big fan of mentoring others and I enjoy volunteering at my local library.

I've recently taken the plunge and entered back in to education to pursue a degree in Astronomy and Planetary Science and one day I would love for something that I Continue reading

Adding an image to DevStack

I had some time to play with OpenStack this week so I rolled a DevStack install on an Ubuntu VM running in Parallels on my MacBook Air following the instructions here. Once OpenStack was up and running I was able to log in to Horizon at http://localhost/ and started to poke about. I decided I wanted to try and create a compute instance just to see what all the fuss was about … as it turns out, you need to have an image to base this instance on.

Applescript – Rename PDF to Title from Metadata

Today I downloaded a the full set of Configuration and Command references for the HP 12500 Series Switch from HP.com. When I looked in my download finder they were all helpfully named "cXXXXXX.pdf". Interestingly enough the title in the metadata seemed to be correct, so I wrote an AppleScript to batch rename them.

set theFiles to choose file with multiple selections allowed
repeat with theFile in theFiles
    set filePath to quoted form of POSIX path of theFile
    set theName to do shell script "mdls -name kMDItemTitle " & filePath & " -raw"
    set theName to theName & ".pdf"
    if theName is not "(null)" then try
        tell application "System Events" to set name of theFile to theName
    end try
end repeat

References: Apple Support Fourms

Applescript – Rename PDF to Title from Metadata

Today I downloaded a the full set of Configuration and Command references for the HP 12500 Series Switch from HP.com. When I looked in my download finder they were all helpfully named "cXXXXXX.pdf". Interestingly enough the title in the metadata seemed to be correct, so I wrote an AppleScript to batch rename them.

Applescript – Rename PDF to Title from Metadata

Today I downloaded a the full set of Configuration and Command references for the HP 12500 Series Switch from HP.com. When I looked in my download finder they were all helpfully named "cXXXXXX.pdf". Interestingly enough the title in the metadata seemed to be correct, so I wrote an AppleScript to batch rename them.

Grabbing IETF RFCs and I-Ds in ebook format using rsync

IETF drafts get no love from my Tablet. I 've tried sending drafts to Instapaper for offline reading, I've tried using Readability but all of these fail to render correctly. Is it too much to ask to be able to read RFC's on the go?

Fortunately I found that the RFCs and I-D's are published to tools.ietf.org in both epub and mobi formats. To pull the full list of epub:

rsync -avz --include="*.epub" --exclude="*" rsync.tools.ietf.org::tools/ebook/ /destination

And for mobi:

rsync -avz --include="*.mobi" --exclude="*" rsync.tools.ietf.org::tools/ebook/ /destination

These are pretty hefty downloads so you might want to tailor these to your current needs by creating using a txt file full of include rules, lets call it filter.txt

Working Group RFC & Internet Drafts

Add lines like this to your filter.txt to download the latest RFCs and I-Ds for the WGs you are following:

*lisp*.mobi
*conex*.mobi 
*nvo3*.mobi
*tsvwg*.mobi

Published RFCs

To download the mother load of RFCs add the following line:

rfc.mobi

Published RFCs by Area

To download RFCs by Area add the following:

area.rtg.mobi
area. Continue reading
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