sslscan is a nice tool to show details about TLS/SSL connections: ~> sslscan some-host-at.makandra.de Testing SSL server some-host-at.makandra.de on port 443...
I was annoyed that RubyMine's autocompletion did not work via Ctrl+Space for me. In fact, it did not...
dmesg shows the kernel ring buffer containing low-level system messages. Per default, dmesg shows a timestamp:
There are some frontends available, but they all suck, are no longer maintained or are hard to install.
I couldn't successfully execute a simple iptables command and got this error on an Ubuntu server: # /sbin/iptables -I INPUT...
Make sure you have libcurl3-dev installed: sudo apt-get install libcurl3-dev gem install typhoeus
Adobe no longer supports their PDF reader on Linux and the official page does not offer it for download. \
Option 0: Download from the official page (preferred) Open https://googlechromelabs.github.io/chrome-for-testing/ In Section "Stable" > chromedriver / linux64 > Download ZIP from...
If bower complains about a missing node binary, do not install Ubuntu's node package. Instead, you need to create...
Google Calendar integration into Thunderbird suddenly did not work any more for me. Thunderbird kept asking me for my password...
Put the font files (e.g. ttf) into ~/.fonts Run fc-cache -v Or, if you prefer to use the GUI...
Firefox 5.0.1, which we were using for most Rails 2.3 projects, does not run on Ubuntu 14.04 any more. Here...
Just install the texlive-xetex package: sudo apt-get install texlive-xetex Running integration tests without texlive-xetex will produce...
When your system is not running on English, you may sometimes want to run some applications and not use your...
We will be installing rbenv and ruby-build from our own fork, not from the Ubuntu sources. Installing rbenv
Getting rid of your old LibreOffice Remove your old LibreOffice: sudo apt-get remove libreoffice* You probably also want to...
If you get an error like this: An error occurred while installing pg (0.17.1), and Bundler cannot continue.
Skype has been updated to 4.3 on Linux. This fixes group chat issues with non-linux clients.
MuPDF is a PDF reader that renders very quickly, yet still correctly. It supports PDF 1.7 and all the fancy...
Sometimes you may want to print files from the command line, especially when you have lots of them.
On Ubuntu, you can scroll horizontally with your mouse wheel when holding the Shift key while scrolling.
Your development machine is usually on a very good network connection. To test how your application behaves on a slow...
Rbenv won't compile REE 2011.03 properly on Ubuntu 12.04, failing with an error in tcmalloc.cc. If you want to...
In /etc/rc.local add: service bluetooth stop