Hello Linux Geeksters. As you may know, Simple Image Resizer (SIR) is an open source tool written in C++ and created via the Qt GUI toolkit, for batch resizing, rotating and converting images. Also, it has a feature for adding frames or text and apply color and gradient filters to the images, some functions to manipulate the histogram and works with multiple photos by splitting the tasks on the processors.

Among others, it has support for the most popular file formats, including: JPEG, JPG, PNG, GIF, BMP, XPM, PGM, PBM and PPM and RAW.
The latest version available is Simple Image Resizer (SIR) 2.7.1, which has been released a while ago, coming with small fixes.
In this article I will show you how to install Simple Image Resizer (SIR) 2.7.1 on Ubuntu 14.04 Trusty Tahr, Linux Mint 17 Qiana, Pinguy OS 14.04, LXLE 14.04, Elementary OS 0.3 Freya, Deepin 2014, Linux Lite 2.0, Peppermint Five and other Ubuntu 14.04 derivative systems.
Because it is available via PPA, installing Simple Image Resizer (SIR) 2.7.1 on Ubuntu 14.04 and derivative systems is easy. All you have to do is add the ppa to your system, update the local repository index and install the sir package. Like this:
$ sudo apt-add-repository ppa:dhor/myway
$ sudo apt-get update
$ sudo apt-get install sir
Optional, to remove sir, do:
$ sudo apt-get remove sir