How to disable user list and guest user login in Ubuntu 16.04 LTS

To disable the user list and guest user login in Ubuntu 16.04 LTS login screen, open a terminal window and do the following:

$ cd /etc/lightdm <enter> $ sudo mkdir lightdm.conf.d <enter> $ sudo cd lightdm.conf.d <enter> $ sudo mousepad 50-config.conf <enter>

Enter the text below into the file.

[SeatDefaults] greeter-hide-users=true greeter-show-manual-login=true allow-guest=false

Save the . . . → Read More: How to disable user list and guest user login in Ubuntu 16.04 LTS

How to calculate MD5 or SHA256 sums in Linux and Android

Many of us use Linux Distributions like Ubuntu, Fedora, available for free on the Internet. To install these distributions on our computers, we need to down their ISO files. Recently, the Linux Mint ISO was hacked and malware inserted into some of it’s files. It was then repacked and put up on an external website. . . . → Read More: How to calculate MD5 or SHA256 sums in Linux and Android

Keepass Droid password manager on Android

Today, many services have gone online. The ease and convenience of accessing these services online has led to a major issue for all users – that of remembering passwords to all the web sites to log in to access those services.

Many users use diaries or books to write down user IDs and passwords and . . . → Read More: Keepass Droid password manager on Android

Disable video, music, file lenses in Ubuntu 12.04 Linux

Your Ubuntu computer connects without your knowledge to some unknown servers. These servers are intended to enable the unity lens applications like music, video, music-store. To get rid of some of these services, you should remove unwanted lenses, using the below commands in a terminal window:

$ sudo apt-get purge unity-lens-music unity-lens-video unity-lens-files unity-lens-musicstore <enter>

. . . → Read More: Disable video, music, file lenses in Ubuntu 12.04 Linux

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