Near-Line Storage For A Variable FIFO/LIFO Brain
Posted in Open Source, Storage, Technology on Jun 9th, 2015
Deploy ScaleIO 1.32 in virtual lab – I’m using VMware vSphere 5.5, but you can use any virtualization platform. Server minimum hardware requirements 2 CPU cores and 2 GB RAM – I’m using 2 cores and 4 GB of RAM Deploy ScaleIO 1.32 Gateway on Windows 2008/2012 R2 (if you followed this, skip to the […]
Posted in Open Source, Technology, Virtualization on Mar 22nd, 2015
After fighting a bit with EMC ScaleIO to setup a demo on VMware, I decided there has to be an easier and more cost-effective way to implement fault-tolerant software defined storage for VMware vSphere using existing open source packages. I have to admit I’m a fan of RHEL based solutions, so a quick Google search […]
Posted in Open Source, Technology on Dec 19th, 2013
Install minimal install of CentOS 6 – either i386 or x86_64 and either virtual or native Login to root console Verify and/or configure network access – in minimal install, one must actively enable network interfaces via “ifup” Install prerequisite packages identified on www.ipxe.org# yum install git gcc binutils make perl syslinux geniosimage Install packages to […]
Posted in Networking, Open Source, Technology on May 27th, 2013
It’s amazingly simple: echo “options iwlwifi led_mode=1” >> /etc/modprobe.d/iwlwifi.conf reboot Done and done…
Posted in Networking, Open Source, Technology, Virtualization on Mar 24th, 2013
I’m using a CentOS 6 box for HA NFS storage behind a cluster of VMware ESXi boxes. I want to make sure those ESXi hosts aren’t fighting over a single 1Gbps Ethernet interface. Bonding 6 interfaces (3 x Intel Pro Dual-NICs) should do the trick… On 3750x: Configure switch ports (for me, that’s gi1/0/25 – […]
Posted in Networking, Open Source, Technology on Mar 22nd, 2013
First Thing First Get your WCCP-capable Cisco device setup as your internet router – I’m using a C3825 ISR running 15.1(4)M6…if you’re not using the same, your mileage may vary… Configure CentOS Deploy CentOS (6.4 at the time of writing) using the method of your choice – I used the minimal install, which is very […]
Posted in Open Source, Technology on Mar 20th, 2013
Open ~/.config/Terminal/terminalrc in your favorite editor Modify the line starting with MiscDefaultGeometry. For example: MiscDefaultGeometry=160×60+120+120 which sets the window to 160 characters wide and 60 characters high with the top left corner at 120 pixels to the right and down from the top left corner of the screen.
Posted in Open Source, Technology on Feb 6th, 2013
I just ran into this and thought it prudent to post something here in case I ever run into similar strange behavior in the future. I decided to evaluate Windows Server 2012. In doing so, I created 2 domain controllers – each running the AD bits, DNS and DHCP (btw, DHCP failover config in Server […]
Posted in Open Source, Technology, Virtualization on Feb 1st, 2013
This is a highly abbreviated how-to guide to build your own VMware vSphere lab very quickly: Acquire/build a computer with more than 16GB of RAM that will allow virtualization pass-thru (if you don’t already know, then research this before you proceed) Install your choice of operating system and virtualization package (I use VirtualBox on CentOS) […]
Posted in Open Source, Technology on Aug 3rd, 2012
I’ve been using Komodo Edit for the past few weeks to create/edit scripts – just don’t want to forget this option should the related synapses stop firing as well as I might hope… http://www.activestate.com/komodo-edit