This quick tutorial shows you how to enable passwordless login in Ubuntu, so you can just click user name on the login screen to log it in without typing password or using any other authentication method.
This tutorial is tested and works in Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, and Ubuntu 24.04. Not only for the default GNOME Desktop, but also for XUbuntu (XFCE), Ubuntu MATE, Ubuntu Cinnamon, Ubuntu Unity, LUbuntu (LXQt), KUbuntu and Ubuntu Studio (KDE).
KDE Okular document viewer now can be easily installed in Ubuntu 16.04, Ubuntu 18.04, and higher via the snap package.
Okular is a universal document viewer developed by KDE. It supports PDF, PS, Tiff, CHM, DjVu, Images, DVI, XPS, ODT, Fiction Book, Comic Book, Plucker, EPub, Fax. It features annotations support, sidebar with contents, thumbnails, reviews and bookmarks.
Okular snap is a containerized software package offered by KDE. It bundles all required libraries and auto-updates itself.
For Ubuntu 18.04, and higher, simply open Ubuntu Software, search for and install the Okular snap package:
For Ubuntu 16.04, first open terminal (Ctrl+Alt+T) and install snapd daemon:
sudo apt-get install snapd
Then install Okular snap packages via commands:
sudo snap install okular
Once installed, launch it from software menu and enjoy!
This quick tutorial shows how to change the time and date clock format in Ubuntu 18.04’s default Gnome desktop panel.
Since Ubuntu switched to Gnome 3 desktop, you can no longer use dconf editor to customize clock format. Instead, a Gnome Shell extension can do the job.
1. Open Ubuntu Software, search for and install Clock Override extension.
2. Once installed, either launch the settings from install page, or use Gnome Tweaks -> Extensions.
3. When the settigns page opens, type in the box to change the time format.
Here are some codes:
%a = abbreviated weekday name
%A = full weekday name
%b = abbreviated month name
%B = full month name
%d = day of month
%H = hour (00..23)
%M = minute (00..59)
%p = AM or PM, %P = am or pm.
%S = second (00..59)
For a full list of code, run man date in terminal:
This tutorial is going to show beginners how to easily disable or hide the Grub boot menu on startup.
Without dealing with Ubuntu configuration files, this can be easily done via a graphical tool called Grub Customizer.
1. Grub Customizer is not available in Ubuntu repositories until Ubuntu 19.04. So first open terminal (Ctrl+Alt+T) from application menu, then run command to add the software PPA:
Kodi media center, formerly known as XBMC, released the new stable 18.0 “Leia” a day ago. Here’s how to install it in Ubuntu 16.04, Ubuntu 18.04, Linux Mint 18.x, 19.x, and higher.
Kodi 18.0 is a big release with almost 10,000 commits, 3000 pull-requests. The key features include:
Retroplayer gaming and associated game control support
Digital Rights Management (DRM) decryption support
Music Library – new ways to explore and enjoy your music collection
Live TV improvements, support for Zattoo, Teleboy, and Sledovanitv.cz.
Full voice functionality on the main Android TV.
Improvements to audio and video playback, and Blu-ray support.
Mir/Wayland support for Linux
How to Install Kodi 18.0 in Ubuntu:
The Kodi stable PPA has made the new release packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, and their derivatives.
1. Open terminal either via Ctrl+Alt+T keyboard shortcut or from application menu. When it opens, paste below command and hit run:
sudo add-apt-repository ppa:team-xbmc/ppa
Type user password (no asterisks feedback) when it prompts and hit Enter to continue.
2. Remove old Kodi package as it may prevent the new installation:
HPLIP 3.19.1, HP developed Linux drivers for HP inkjet and laser based printers, was released one day ago with new devices and Linux Distros support.
According to the release note, HPLIP 3.19.1 adds following new devices support:
HP LaserJet Managed MFP E82540du
HP LaserJet Managed MFP E82550du
HP LaserJet Managed MFP E82560du
HP Color LaserJet Managed MFP E87640 du
HP Color LaserJet Managed MFP E87650du
HP Color LaserJet Managed MFP E87660du
HP Scanjet Pro 2500 f1
Also 64-bit of Fedora 29, Open Suse 15, Manjaro 18.0, and RHEL 7.2 are now supported.
Download / Install HPLIP 3.19.1 in Ubuntu:
1. To install the software, download the package “hplip-3.19.1.run” from the link below:
2. Then make the downloaded file executable from its Properties dialog:
3. Finally open terminal either via Ctrl+Alt+T or search for “terminal” from app launcher. When it opens, run command to start installing it:
./Downloads/hplip-3.19.1.run
Type your user password (no asterisks feedback) when it prompts and hit Enter.
4. Then follow the terminal prompts, answer some questions to build and install HPLIP on your system. When everything is done, plug/re-plug your printers and enjoy!
Gscan2pdf, GTK tool to produce PDF / DjVu from scanned document, released version 2.3.0 a few hours ago.
While v2.1.3 does not really fixed the issue that time is always set to 0 UTC. Gscan2pdf 2.3.0 fixed it by optionally also include time information in metadata of PDF or DjVU.
The 2.3.0 release also include following changes:
Reduced “bouncing” effect when dragging OCR output
Fix update of image viewer/OCR output after deleting a page
Support different resolutions in x and y directions.
Make post-scan PNG conversion optional
Remember size of multiple message window
Translation updates.
How to Install gscan2pdf 2.3.0 in Ubuntu:
The official Ubuntu PPA has made the new release packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, and their derivatives.
1. Open terminal either by pressing Ctrl+Alt+T on keyboard or searching for ‘terminal’ from software launcher. When it opens, run command to add the PPA:
sudo add-apt-repository ppa:jeffreyratcliffe/ppa
Type user password (no asterisks feedback due to security reason) when it prompts and hit Enter.
2. For those who have a previous release installed, upgrade it through Software Updater:
For the first time, you can either install it via Synaptic Package Manager or by running following commands in terminal:
Gnome Twitch 0.4.2, GTK+3 Twitch app for Linux desktop, now is finally available as Snap package in the stable channel.
UPDATE: GNOME Twitch seems NOT in active development! It may or may NOT work in current Ubuntu releases.
While Ubuntu offers an old version of Gnome Twitch .deb package in its official repositories, and there’s no stable PPA repository provides the latest updates, Daniel Llewellyn finally made the snap package for Gnome Twitch 0.4.2 into stable channel.
For Ubuntu 18.04, Linux Mint 19.x and higher, simply open Ubuntu Software, search for and install Gnome Twitch:
For Ubuntu 16.04 and Linux Mint 18.x, open terminal (Ctrl+Alt+T) and first install snapd via command:
sudo apt install snapd
Then install the snap package via command:
sudo snap install gnome-twitch
Uninstall:
Depends on your system edition, remove the software either via Ubuntu Software or by running command in terminal:
For those prefer .deb package to the containerized flatpak package, the latest Gnome MPV 0.16 now is available to install via PPA in Ubuntu 18.04, Ubuntu 18.10, Linux Mint 19.x, and higher.
Gnome MPV 0.16 was released a few days ago with some changes on preferences dialog and app menu, improvements to MPRIS DBus connection, playlist, etc.
Xu Zhen, one of the software contributors, maintains a PPA repository with the latest packages for Ubuntu 18.04, Ubuntu 18.10, and the next Ubuntu 19.04.
1. Open terminal either via Ctrl+Alt+T keyboard shortcut or from software launcher. When it opens, paste below command and hit run to add the PPA:
sudo add-apt-repository ppa:xuzhen666/gnome-mpv
Type user password (no asterisks feedback) when it prompts and hit Enter to continue.
2. If a previous version was installed, upgrade the media player via Software Updater:
or simply run command in terminal to install MPV 0.16:
sudo apt install gnome-mpv
For Linux Mint, you may first run sudo apt update to refresh system package cache.
Uninstall:
To remove the PPA, either go to Software & Updates -> Other Software, or run command in terminal:
Opera web browser released new stable 58 a day ago. The new release features warning dialog before closing window with multiple tabs, and Yandex Zen integration for Russian users.
Display a comfirm dialog when closing window with multiple tabs.
Integrate news recommendation service Yandex Zen for Russian users.
Add an option in settings for “Always open SD”
Enable Chromium toast notifier in Opera
Provide feedback popup for users clicking like and dislike icons
Review Compatibility Mode
Numerous bug-fixes and improvements.
How to Install Opera 57 in Ubuntu:
The Opera team offers snap package (containerised software package), which is always up-to-date (auto-updates itself). You can simply install it in Ubuntu Software:
Also traditional Opera binary package for Ubuntu is available for download at the link below:
To receive future updates through Software Updater, add the official Opera apt repository via following steps:
1. Open terminal (Ctrl+Alt+T) and run command to add the opera repository:
sudo sh -c 'echo "deb http://deb.opera.com/opera-stable/ stable non-free" >> /etc/apt/sources.list.d/opera.list'