Here are several commands to inspect and modify rpath for both linux and macos. Inspect rpath macos: otool -l my.dylib linux: readelf -d my.so Inspect binary dependency macos: otool -L my.dylib linux: ldd my.so Change rpath macos: install_name_tool

Emacs shortcut is convinent for text input. (Ctrl+F forward, Ctrl+B backward, etc.) Input boxes on ubuntu does not use emacs shortcut. This command modify system defaults to use emacs keys. gsettings set org.gnome.desktop.interface gtk-key-theme "Emacs" To go back, use:

I installed matplotlib on ubuntu14 today. When I use plot.show(). It raised such error: NotImplementedError: Surface.create_for_data: Not Implemented yet. and I got a blank image. The reason is pycairo does not support python3. To fix it, sudo pip3 install cairocffi.

For terminal export http_proxy="socks5://127.0.0.1:1080" export https_proxy="socks5://127.0.0.1:1080" What if socks proxy is not supported? Use polipo to turn a socks proxy into http proxy. Install polipo apt-get install polipo service polipo

I found out this recently. SSH can be used as a socks proxy! [http://www.catonmat.net/blog/linux-socks5-proxy/] ssh -f -N -D 0.0.0.0:1080 yourhost.com I'm using it with my webfaction account. It's nice, especially when you're in China