It is very useful to be able to store the output of a command to a shell variable for use in a script. This can be achieved as follows: shellVariableName=$(COMMAND)…
Save output of "ls" or other command to shell variable
List contents of zip / tar.gz / tar.bz2
It is quite useful to view the contents of a zip, tar.gz or tar.bz2 file without extracting the file from the terminal. View contents of a zip file unzip -l…
Lesson 11 – HTML Layouts
There are very many HTML layouts which can be used, but there are a couple of common elements which assist in defining the structure of an HTML page: <header> <nav>…
Access Docker container volume from filesystem
I've recently been playing around with the Ghost blogging platform and wanted to see how well the docker image worked. The default theme (Casper) looks great and certainly takes simplicity…
Lesson 12 – HTML forms
HTML forms are used to submit user input to a web service endpoint or other destination for further processing. HTML forms surround certain elements (outlined in the next lesson) and…
External hard drive format for Windows and Mac
A common problem encountered is the ability to read and write to a hard drive on both Windows and Mac operating systems. External hard drive on used on Windows machines…
Guide: SFTP access to chrooted directory Ubuntu
In case you're wondering what the difference is between SFTP and FTPS: SFTP is FTP over SSH and FTPS is FTP with SSL. Step 1 – Setup chroot in SSH config…
Install Unifi controller on Ubuntu
Installing Ubiquiti's Unifi controller on Ubuntu is fairly straight forward. The first step is to install the Unifi controller with the following commands: deb http://www.ubnt.com/downloads/unifi/debian stable ubiquiti sudo apt-key adv…
Solve invalid HTTPS certificate by referencing local files
We recently came across something quite interesting – if your website is HTTPS and you reference an image or any other files from a non HTTPS website, this will result…
How to Download Liquid Rescale for Ubuntu
The plugin is included in Debian and in Ubuntu, in the package “gimp-plugin-registry”, which also includes some other great plugins. To get started, open your terminal with: Ctrl+Alt+T Then run…









