How to check if user name or ID has been compromised in a data breach

When data breaches occur, there are various kinds of data that get compromised. The most critical data that can get compromised is the user name or ID or the password. All is not lost due to a great service hosted by Troy Hunt. Use https://haveibeenpwned.com/ to check if the User name or user ID appears … Continue reading How to check if user name or ID has been compromised in a data breach

Remember History in Firefox 75+ and private browser windows

Mozilla Firefox 75+ has made a change in the way it determines whether web sites open in a private window or not. This is now tied in with the "Remember History" option in Preferences -> Privacy and Security option. To enable Private Windows all the time, select "Never Remember History", but to disable private windows, … Continue reading Remember History in Firefox 75+ and private browser windows

How to save an email in the .eml format

To save an email in the .eml format, follow the steps below: Login to the email accountIf Conversation view is enabled, then disable it. In GMail, this is in the Settings optionDownload the email as .eml format. Once above steps are done, the email is available in the .eml format. In some email services, this … Continue reading How to save an email in the .eml format

System scaling in Linux on 1920×1080 display (HiDPI)

Note system scaling works out of box with Cinnamon desktop. Open a terminal window and install it with: $ sudo apt-get install cinnamon-desktop-environment <enter> To do system scaling in the Gnome Desktop Environment, install the gnome-tweak tool. To do so, open a terminal window and enter the command as below: $ sudo apt-get install gnome-tweak-tool … Continue reading System scaling in Linux on 1920×1080 display (HiDPI)

Dark background and light text firefox add-ons good for night mode

If you surf the internet using Firefox web browser at night, you will find the white background and dark text too bright for the eyes. To change the background to black and light text, use the Dark Background and Light Text 0.5.5 add-on in Firefox. Add-on is available in Firefox and it's source code at … Continue reading Dark background and light text firefox add-ons good for night mode

Firefox on Android

After a long time, finally Firefox works very well on Android. Download it from the Google Playstore. Make sure you also get the following add-ons: 1. Adblock Plus (blocks ads while surfing) 2. Ghostery (Blocks cookies, trackers) 3. Clean Quit (Quits after deleting cookies etc) If you do attend any online education courses or webinars, … Continue reading Firefox on Android

Web sites track users with invisible canvas fingerprint rather than cookies or flash cookies

There are several websites world over that track users. Originally, tracking mechanisms included Cookies, Flash Cookies. Historically too, I have written about Firefox add-ons in the articles below: Firefox add-ons you should never surf without Watching you silently – Flash Cookies / LSOs As mitigation measures were developed to counter cookies and flash cookies, old … Continue reading Web sites track users with invisible canvas fingerprint rather than cookies or flash cookies

netstat shows unknown connections to *.clients.your-server.de domain

Upon starting Firefox and web browsing, when I perform a netstat -tuape, I find a network connection opened and shut down which points to a server *.clients.your-server.de. Upon further investigation with $ sudo netstat -tuape <enter> it was found that this shows up each time I start up Firefox and enter a URL to visit. … Continue reading netstat shows unknown connections to *.clients.your-server.de domain