Vagrant is an awesome piece of software, but constantly downloading system packages can be very time-consuming. The simplest solution is to set up an apt caching proxy as a Vagrant box.
Today, I will publish
Vagrant configuration to set up
DokuWiki instance. It is just a handy reference, as described in the earlier blog post.
I have successfully used Google Drive and Insync to organize all of the e-books that I have acquired during the last years. Currently plan to upload them to a personal DokuWiki instance since I use it more every day. Before I can start, I need to extract cover images to ensure that I will get a decent outcome.
Today I will shortly describe how you can remotely check the PostgreSQL version and use it inside shell scripts. This ability comes in handy at times, as it can be used to perform different tasks depending on the returned database version.
There are two ways to non interactively provide a password for the
psql command (PostgreSQL interactive terminal). Each method allows you to quickly write shell scripts using terminal-based PostgreSQL utilities as you can provide user credentials from the password file or environment variables.
At the beginning of the last year, I wrote about VirtualBox image conversion. Today, I will continue this topic further and describe how to control the virtual machine using the command line.
The easiest way to remove comments from a shell script is to use sed (stream editor for filtering and transforming text) command.
Quick Response Codes are appearing everywhere. You can see them in museums, near the tourist attractions or all over the web. There is no doubt that QR Codes are useful as they can contain any information within reasonable limits.
To use a physical hard disk in VirtualBox you need to create an image that will represent it.