Tag: ubuntu

  • Ubuntu 12.10 to 13.04 Server Upgrade Error

    Are you Googl’ing around trying to figure out why you’re getting this error when trying to `do-release-upgrade’ your Ubuntu 12.10 system, even though you’re pretty much up to date? root@mia:~# do-release-upgrade Checking for a new Ubuntu release Traceback (most recent call last): File “/usr/bin/do-release-upgrade”, line 145, in <module> fetcher.run_options += [“–mode=%s” % options.mode, AttributeError: type…

  • How To Custom Brand The OpenStack “Horizon” Dashboard

    I’m deploying OpenStack “Essex” on Ubuntu Server 12.04, and have the openstack-dashboard package installed to provide the web-based “Horizon” GUI component newly added for the Essex release. Canonical also provides an openstack-dashboard-ubuntu-theme package that brands the Python-based Django GUI. Despite that the last major Canonical-maintained packages based on the OpenStack “Diablo” release in Ubuntu 11.10…

  • OpenStack Nova Essex MySQL Database Schema Diagram and SQL

    I’m in the process of setting up an OpenStack Essex installation on a small cluster of Ubuntu 12.04 servers using the Canonical-supplied and supported packages. I innocently and unfortunately ended up with a state corruption issue causing nova-compute to crash on startup, and found it necessary to dive into the schema as a troubleshooting aid.…

  • OpenStack Diablo on Ubuntu 11.10 w/MySQL

    If you’re installing the OpenStack cloud computing platform “Diablo” release on Ubuntu 11.10 server using the official guide and are using MySQL, don’t forget to: sudo apt-get install python-mysqldb The “glance” package (and probably others) are configured to use SQLite by default and do not automatically install this dependency by default. Unfortunately, the November 2011 version of the…

  • Upgrading From Ruby 1.9.1 to Ruby 1.9.2

    I’ve spent half the day so far inbeded in the furious stressful upgrade process of a handful of Ubuntu Linux 10.04 and Mac OS X Snow Leopard systems from Ruby 1.9.1 to Ruby 1.9.2. I haven’t even gotten to the Rails 3.0.0 stuff yet: just the baseline Ruby installation. I’ve gone through the upgrade process…

  • 20 Steps To Xen: A Quick Xen Tutorial For Ubuntu 7.04 x64 Server

    This is an abbreviated and simplified version of a more official document. Run these either as root or with the “sudo” command.. apt-get install ubuntu-xen-desktop-amd64 to install a new Xen kernel and various other tools. Apparently we’re supposed to use the “server” version instead, but it didn’t show up in the repository. Oh well. apt-get…