Heat templates with cinder volumes
While trying to launch several VMs using heat templates on RHEL OpenStack Liberty only 2 out of 8 launched. Rest failed because cinder volumes could not be created. heat stack status was CREATE_FAILED and cinder volume status was error /var/log/cinder/volume.log HTTPInternalServe…
SDN course for free on coursera.org
There is a great SDN introductory course available on coursera.org run by Dr. Nick Feamster from Princetone University. Enroll on current session – but in order to get a certificate of course completion tasks must be followed weekly for 8 weeks in a row. Now a 3rd week has just s…
Configure replace from terminal on IOS/IOS-XE
Today I stumbled on a problem that I wanted to replace VPN names in my whole config on CSR1000v. Instruction on how to do it I’ve found on invaluable Ivan Pepelnjak’s blog Basically I created a file in Notepad++, replaced what I wanted then I copied the new content to new file on…