Tag: linux
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Keeping Multiple Development Machines Synchronized with Homeboy
Most of us developer types have at least two machines we use routinely, and managing that can be a chore. Specifically, I usually want to do the following every time I sit down at a machine to hack on something: Keep config files like .bash_profile and .gitconfig synchronized. (This requires scripting since Dropbox ignores hidden…
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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…
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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…
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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…
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3D Desktop Ruby Applications On Linux
Over the past year I’ve put out a few working demos of how to develop full 3D, OpenGL-based OSX applications using Ruby. Most of the comments I’ve received have been positive, but I think the high learning overhead has been the prime limiting factor in addoption. I also decided to focus exclusively on Mac OS…
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The $1K CD/DVD/LightScribe Replicator: The DIY Guide To Manufacturing Your Own Discs For Less Than $1 Each
I’ve slowly updated components of The $1K Home Studio over the last few years, but have never had a low-cost, DIY solution for disc replication. After playing with external CD burners and evaluating various proprietary hardware options such as the Aleratec auto-flip burner , MicroBoard tower replicators amongst many others, I decided that the current…
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Redmine w/OS X OpenLDAP, Parallels Server and JumpBox
OpenRain used a slew of crappy Trac sites for issue tracking until we switched to Redmine several days ago. The decision came because.. Redmine can authenticate off LDAP with trivial configuration. Redmine has multi-project support out-of-the-box. Redmine has some nifty Gantt chart and calendaring schwag and is generally better. Parallels Server (for OS X) is…
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Sun Introduces Non-Native (Linux) Zone Support
The “What’s New” document for Solaris 10 8/07 states the update “..includes the tools necessary to install a CentOS 3.5 to 3.8 or Red Hat Enterprise Linux 3.5 to 3.8 inside a non-global zone. Machines running the Solaris OS in either 32-bit or 64-bit mode can execute 32-bit Linux applications.” Additionally, “DTrace can now be…
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OpenSolaris ZFS vs. Linux ext3 RAID5
Preston Says: I asked Dan McClary for a big favor recently: use his general UNIX knowledge and graduate-level statistics voodoo to produce a report highlighting performance characteristic differencess between OpenSolaris ZFS and Linux RAID5 on a common, COTS hardware platform. The following analysis is his work, reformatted to fit your screen. You may download the…
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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…