“nova.compute.resource_tracker” Out of Sync!
Have you ever noticed the metrics shown in the “free -m” on the compute node, and the output of “Nova … Continue Reading →
Category: Ubuntu
OpenDaylight VTN Manager Integration with OpenStack
Virtual Tenant Network (VTN) Technical Introduction: OpenDaylight Virtual Tenant Network (VTN) is an application that provides a multi-tenant virtual … Continue Reading →
SSH Server Hardening Tips
Below are the security recommendations for SSH hardening the servers hosted in the public cloud. 1) Do not enable root … Continue Reading →
Openstack Kilo – Opendaylight Lithium Integration on Ubuntu 14.04 LTS
You could see in this open source world alike OpenStack, OpenDaylight also getting its own popularity. Starting from the Hydrogen … Continue Reading →
Openstack Integration with Brocade VDX switch (VLAN network + ml2 plugin)
Hell0oooooo OpenStackies! Recently I got an opportunity to work in integrating Brocade VDX switches with OpenStack. Unlike default OpenStack setup … Continue Reading →
Ubuntu 14.04: renaming ethernet interfaces from “p1p1″ to “eth0″
Sometimes, an ethernet interface will install itself as “p1p1″ or the like instead of the traditional “eth0″. Where most of … Continue Reading →
Configuring FTP server in Ubuntu 14.04
Configuring FTP server is mainstream process, this is how my statement would be if I configured FTP service in … Continue Reading →
Apt-Cacher-NG on Ubuntu
Apt-Cacher-NG is an apt proxy. It caches the packages you download locally each time you update your system. Why bother … Continue Reading →
Detecting HDD without Rebooting
—–> apt-get install scsitools —–> rescan-scsi-bus Note: No need for any tools in CentOS. It detect hard disk automatically. … Continue Reading →
How to set the fully qualified domain name(FQDN) in ubuntu?
Edit /etc/hostname and add your unqualified hostname: boson Edit /etc/hosts: sudo vi /etc/hosts Add an entry of your desired hostname … Continue Reading →