OpenStack CLI subnet commands
OpenStack CLI subnet commands for IPv4 and IPv6 Assumptions made here: The public network has already been created That by doing a openstack subnet list there is no subnets called…
Google Calendar Hacks
For custom recurring events in Google calendar. ICS format is the format I recommend. I've included a suggested editor as well as two examples, and a ICS day code key.…
Email Updating ARIN IRR
While obtaining a new IP block, updating ARIN IRR, was something that I had never done before and the instructions to accomplish this were lacking, at best. ARIN email updating,…
Grow LVM (Ubuntu) KVM
How to resize a VM's disk size using LVM within KVM - the hard way. This is done if for some reason you are not able to to use the…
FTOS Dell LLDP System Name
After working with LLDP information to and from some of the Force10s in our DCs, I noticed a problem or "limitation" with the way that it was sending LLDP information…
Change Linux (Cumulus) IP address without losing connectivity
I was having some problems with cumulus, I needed to change an IP address of an interface without loosing connectivity, so I had to do the following: First you have…
Juniper ex4300 Port Map
The Juniper ex4300 Port Map is a crucial feature for enterprise-level networks that enables administrators to assign specific ports on the switch to particular devices or network segments. With this…
KVM bridge with Bonding on Ubuntu
I was running into a bunch of problems with KVM bridging and Ubuntu Bonding (LACP) but I was able to resolve this by using the following network config: Printout from…
Minute MTR
Have you ever needed to run an MTR, (basically a traceroute) and save it to a file and then delete the files after a specified amount of time? I have…
Cumulus Linux U-Boot Errors
I kept on having problems booting one of my Cumulus Linux switches. Cumulus Linux U-Boot errors was the cause of the problem: Success: Found uboot-env mtd partition Failure: Unable to…