How to use deja-dup for data backups on Linux

Deja-dup is a Gnome application. It can be used for data backups of the computer to a USB drive, another hard disk, folder or even to the cloud. Data backups are encrypted using the Gnu Privacy Guard (GPG) shared key as they are done. The first backup takes time, depending on the data to be … Continue reading How to use deja-dup for data backups on Linux →

Sort text file in Linux from a particular position

I have a text file, named all.txt, with the following content:f http://www.google.com/f http://www.abc.com/c http://www.google.com/c http://www.abc.com/ I want to sort it on the URL ignoring the first 2 characters i.e f or c . To do this, Linux provides a sort command. Using the keydef option, the file can be sorted. To do so, open a … Continue reading Sort text file in Linux from a particular position →

Tools to determine privacy safeguards for web sites and apps – Exodus, Blacklight and Chef Koch Blog

Whilst privacy is the buzz word today, the tug of war between how much is revealed and taken versus how much is protected and safeguarded continues unabated. Towards that end, some privacy tools do enable the decision as an individual on what can be the consequences of using certain applications and web sites. Exodus - … Continue reading Tools to determine privacy safeguards for web sites and apps – Exodus, Blacklight and Chef Koch Blog →

How to convert PostScript script to a .ps file for viewing in PDF viewer or to PNG

Reading about Gerard Huet's paper on the geometry of the Shri Yantra available in PDF format at this link http://pauillac.inria.fr/~huet/SKT/sanskrit.html.orig, I was prompted to try out the Postscript code he had in and Appendix in the paper. After typing the code into a .txt file, the file did not render using Evince or a PDF … Continue reading How to convert PostScript script to a .ps file for viewing in PDF viewer or to PNG →

How to fix AVD emulator grainy, poor resolution display in Android Studio

The AVD emulator on Android Studio display shows all characters at 1:1 resolution grainy. It is difficult to read the text of the app under testing. To overcome this problem: From the menu of Android Studio select Help -> Edit Custom Properties and enter hidpi=false Create the AVD emulator device and disable device frame and … Continue reading How to fix AVD emulator grainy, poor resolution display in Android Studio →

How to backup Android apps source code from Android Studio or command line

Developers use Android Studio to create applications for Android devices. However, if a source code management system like github is not used, then the source code or code of these apps under development has to be backed up. To do this, there are two ways, one from Android Studio and the other from the command … Continue reading How to backup Android apps source code from Android Studio or command line →

How to install ttf-mscorefonts-installer on Linux Mint

Do not install the package ttf-mscorefonts-installer using like Software Center or Synaptic on Linux Mint 21. It does not work because the user licence has to be accepted. To install the package, open a terminal window and enter: $ sudo apt-get install ttf-mscorefonts-installer <enter>

Code Snippets Manager or Things List Manager on Linux for app developers or normal users

Working as a developer has it's house-keeping that needs to be done on a regular basis. Developers can save time using code snippets managers whose key feature is to store code snippets with code formatting, tips, tricks, information nuggets, all gained during the course of application development. The same code snippets for an ordinary user … Continue reading Code Snippets Manager or Things List Manager on Linux for app developers or normal users →

How to install masscode code snippets manager on Linux Mint

masscode is one of the best code snippets managers out there. It works on multiple platforms and devices. However, it is only available as a snap package for Linux. To install it on a Linux Mint system where snap packages are disabled by default requires snap packages to be enabled. Therefore, enable snap packages on … Continue reading How to install masscode code snippets manager on Linux Mint →

How to install Snap packages on Linux Mint 21

Installing Snap Packages on Linux Mint 21 is not as straightforward. If the snap package is installed without doing the steps below, it throws an error as below: package snapd has no installation candidate. However, snap can still be enabled, and snap packages installed on it. To install snap, open a terminal window and enter … Continue reading How to install Snap packages on Linux Mint 21 →