By holding the “Windows” key on a Microsoft keyboard, in Ubuntu, you get a MacOS-like view where you can move apps across workspaces; this is a super-useful features (and complements well the Shift-Alt-Up/Down combination to move windows across workspaces), however it does miss the ability to also move workspaces around. There is an excellent extension … More Reorder Workspaces in Ubuntu
One of the most annoying “features” of Ubuntu is that it will wake from suspend on mouse move, even if waking up your system was the last thing you wanted; in fact, it will wake from suspend, a second after you put it to sleep, if your touch is less than feather-like in releasing the … More Ubuntu: Disable mouse wake from suspend
Create a setup.py file The arguments for setup() are documented here and are non-trivial: a good example is my filecrypt‘s setup.py file. NOTE Do not confuse setuptools with distutils – this is the correct import for setup.py: from setuptools import setup The trickiest part is figuring out the packages, modules and the script files: probably … More HOW-TO Publish a Pyton Package on PyPi
This is the first of a series of three articles that shows how to setup a Vagrant-based Apache Mesos test/development environment on your laptop; then how to run a Python notebook against the HTTP API; and finally, how to launch Docker containers on the running Agent VM. It is pretty jam-packed and requires a certain … More A python notebook to experiment with the Apache Mesos HTTP API – Part 1 of 3
Make your code more pythonic by using magic methods in your classes. … More Python Magic Methods
overview Uses OpenSSL library to encrypt a file using a private/public key pair and a one-time secret. A full description of the process can be found here. configuration This uses a YAML file to describe the configuration; by default it assumes it is in /etc/filecrypt/conf.yml but its location can be specified using the -f flag. … More filecrypt – OpenSSL file encryption
This is a very hand summary of daily useful tasks to be used on the command line The Art of the Command Line as the author notes, you can’t really call yourself a “true” developer, if you are not comfortable executing at least basic tasks in a shell. in fact, I would argue, I would … More The art of the command line
Recently, I had the following warning about the file system being “unclean” on my QNAP NAS and, when running the “Check file system” command from the Admin Web interface, this failed stating that the disk could not be unmounted. Further investigation revealed that the culprit was Apache Proxy (apache_pr) that was keeping open files on … More QNAP NAS Checking File System
Symptom When mounting a valid share, NFS denies access: $ mount /mnt/backup mount.nfs: access denied by server while mounting server:/share/USBDisk1 Solution The mount point is not exported. Find out where the mount point points to on the client side (although, that info was already in the error message): $ cat /etc/fstab # /etc/fstab: static file … More NFS mount fails with “access denied by server”
If you have a remote file server that you usually access via SSH, it is extremely simple to mount a directory on your ‘local’ filesystem (many applications will not allow you to ‘browse’ to network drives when looking for files to open). You can simply add the following to /etc/fstab (remember to mkdir -p /path/to/dir … More Mounting SSHFS drives in Ubuntu
Code Trips & Tips 