Our lives have moved online. Consequently, the number of online accounts we manage has also increased. We use a password to identify/authenticate ourselves online. And, it has become necessary to choose a secure password that is tough to crack. It isn’t advisable to use similar passwords across platforms. If we do so then it would …
We need to ensure that the Operating System we have installed gets updated regularly. There will always be vulnerabilities that can easily be exploited by an attacker. The vulnerabilities which are not known to the vendor and haven’t been patched are called zero-day vulnerabilities. Most attackers would look for the software version installed on our …
Blender is free and open source cross-platform graphics application. And, WebP – developed by Google is an image file format. WebP image file format supports both lossless as well as lossy compression. So, it offers, in comparison to PNGs and JPEG images, reduced size and comparable image quality. It is of particular interest to web …
Sometimes we have to evaluate the quality of our screens due to various reasons. We may not notice smaller changes happening to our screen on a regular basis. But, over a period of time these smaller changes would be substantial. Therefore, it is always good to evaluate quality of our screens regularly. In Ubuntu’s repository, …
Screentest – to test quality of Screens in Ubuntu Read More »
Raw vs Qcow2: Qemu/KVM provides support for various image formats. The two major disk image formats, widely recommended and used are raw and qcow2. Thus, lets understand what they are and their differences. To begin with, one of the important part of virtualization is storage. Storage allows virtualized environment to read and write data over …
In this article, we cover command line Calendar utilities in Debian/Ubuntu. We are used to looking at calendar from our systems’ task bar. But, did you know that we can also access calendar through a command-line interface. The three command-line tools we cover here – cal, gcal and, ncal. But, first we have install relevant …
Command line Calendar utilities in Ubuntu/Debian Read More »
The purpose of /tmp directory on GNU/Linux has been to provide programs space for temporary files. A system reboot automatically deletes the file in /tmp directory. So, anything in the directory /tmp won’t exist after system reboot. In this article, we cover /tmp on RAM. Most of GNU/Linux based distributions can mount /tmp as RAM …
