Sometimes I find myself in the situation of having to lauch some graphical software like synaptic, gedit, baobab while already using the server as root from the command line. I do not want to ‘exit’ my session and use the previous methods of which I’ve written in the past.
This is how I did it.
koolinus@localhost:~$ ssh -Y firstname.lastname@example.org koolinus@remote:~$ sudo -i root@remote:~# touch .Xauthority root@remote:~# xauth merge /home/koolinus/.Xauthority
And that’s all. Now I can launch the needed program without interrupting my root session, for example:
root@remote:~# baobab &
Speaking only for myself, I’ve now arrived at the point where around 90 – 95% of what I do can be done comfortably in Python. So the major consideration for me, when determining what language to use for a new project, has shifted from what’s the best tool for the job that I’m willing to learn and/or tolerate using? to is there really no way to do this in Python? By and large, this mentality is a good thing, though I won’t deny that it occasionally has its downsides. For example, back when I did most of my data analysis in R, I would frequently play around with random statistics packages just to see what they did. I don’t do that much any more, because the pain of having to refresh my R knowledge and deal with that thing again usually outweighs the perceived benefits of aimless statistical exploration.
Conversely, sometimes I end up using Python packages that I don’t like quite as much as comparable packages in other languages, simply for the sake of preserving language purity. For example, I prefer Rails’ ActiveRecord ORM to the much more explicit SQLAlchemy ORM for Python–but I don’t prefer to it enough to justify mixing Ruby and Python objects in the same application. So, clearly, there are costs. But they’re pretty small costs, and for me personally, the scales have now clearly tipped in favor of using Python for almost everything. I know many other researchers who’ve had the same experience, and I don’t think it’s entirely unfair to suggest that, at this point, Python has become the de facto language of scientific computing in many domains. If you’re reading this and haven’t had much prior exposure to Python, now’s a great time to come on board!
Tal Yarkoni ☞ 
Here is a brief guide of how to type smart quotes and accented characters (and dashes) on a Mac.
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Recently we’ve decided to move all our CentOS 5 server installations to a more modern, and bioinformatics friendly, environment. So the choose was on Ubuntu, in it’s 12.04 LTS version.
Some commands are different, especially those for exploring packages, their releases and such.
For example to see what packages install $something now I do a:
sudo apt-file search $package
while to see a package’s details, for example nano, I give a:
sudo apt-cache show nano Package: nano Priority: standard Section: editors Installed-Size: 604 Maintainer: Ubuntu Developers Original-Maintainer: Jordi Mallach Architecture: amd64 Version: 2.2.6-1 Replaces: pico Provides: editor Depends: libc6 (>= 2.11), libncursesw5 (>= 5.7+20100313), dpkg (>= 1.15.4) | install-info Suggests: spell Conflicts: pico Breaks: alpine-pico (<= 2.00+dfsg-5) Filename: pool/main/n/nano/nano_2.2.6-1_amd64.deb Size: 194014 MD5sum: ce845269d2dac9b74ab02bd4f874beed SHA1: 79a41964d1b14a2a0eb700b54e474e00b9d5de08 SHA256: a8dba08696a1ffdfbb15b617880b2b7bbe05ac9f7d690574000fe569b2298efa Description-en: small, friendly text editor inspired by Pico GNU nano is an easy-to-use text editor originally designed as a replacement for Pico, the ncurses-based editor from the non-free mailer package Pine (itself now available under the Apache License as Alpine). . However, nano also implements many features missing in pico, including: - feature toggles; - interactive search and replace (with regular expression support); - go to line (and column) command; - auto-indentation and color syntax-highlighting; - filename tab-completion and support for multiple buffers; - full internationalization support. Homepage: http://www.nano-editor.org/ Description-md5: b7e1d8c3d831118724cfe8ea3996b595 Bugs: https://bugs.launchpad.net/ubuntu/+filebug Origin: Ubuntu Supported: 5y Task: standard, kubuntu-active
That’s all (for now).