Author: admin

  • Card flip using jquery and css3

    I originally had created a page that uses a card layout with 3d flipping cards using this how to guide. This proved to not work in IE and have occasional hiccups in chrome as well. After much debugging and troubleshooting I created a better card flip system using css3 and jquery, code below: page format…

  • Quck code examples: pie chart using Chart.js and a ruby hash

    Here’s a quick code example of a pie chart using Chart.js and ruby/rails to get the top five schools entered by students and to display the number of times they appear. Read through the code comments for more information. /dashboard_controller.rb #pull the list of interns related to this application @startup_application = current_startup.startup_applications.all.order(‘created_at DESC’) #pull the…

  • Dell Equallogic IOPs

    Just a quick Dell Equallogic IOPs benchmark of the new vs old equipment in use. The graph is pretty self explanatory with the PS6510 being more than 2x faster than the next best model.

  • Dell Poweredge R620 vs R610 benchmarks

    Introduction Today I’ll be going over benchmark comparisons between Caliper’s new Dell Poweredge R620 servers and their older Poweredge R610 servers. I used Passmark Performacetest 8 for the benchmarking software. The CPU and memory benchmarks were run on a VM inside of vmware. The VM was the only active machine on the host and it…

  • Equallogic and vmware benchmarking

    Speed Benchmarking with read/write in MB/s Equallogic Model Speed tests: A vmware VM using SCSI LSI logic SAS was used The Sequential read and write are based on a 4 GB file. The resulting MB/s speeds are based on the average of 5 passes CrystalDiskMark was used for disk benchmarking All disks were formatted and…

  • SQL Server 2012 Failover Clustering with MSCS

    Notes and final opinion on MSSQL Server 2012 MSCS First, the setup. I created two vmware VMs with the following: Microsoft Server 2012 R2 24GB RAM 120GB Primary HDD 4 vCPU 2x VMXNET 3 NICs And placed them in their own resource pool Next I configured networking on the VMs. One NIC was on the…

  • Veeam direct SAN access via iSCSI

    How to add iSCSI connections on your backup server so that Veeam can access the SAN directly for backups. 1. On the backup server go to ‘control panel -> administrative tools -> iSCSI Initiator 2. Click on the ‘Discovery’ tab and then click on ‘Discover Portal…’

  • A first rails app

    I’ve created a new rails app using bootstrap 3 and rails 4, here’s a quick preview: The login page, this checks the username/password combination against an LDAP server and verifies the user is both active and in the proper security group. If they aren’t logged in a message will appear like the one seen below,…

  • Gitlab server migration

    As our gitlab server began seeing more usage in production I decided it was time to update it to the latest and greatest version. The only issue with this is that our gitlab server was ~5 versions behind the latest and following the upgrade track would be far too time consuming. So I built out…

  • Imaging windows on a mac

    This post details how to capture a windows bootcamp partition installed on a mac to be restored on other macs running OS X while keeping the dual-boot option. What you’ll need: A windows bootable USB stick A second USB stick or external harddrive for the bootcamp image (32GB or larger) OS X with bootcamp version…