Ubuntu 18.04.2 was released a day ago with new HWE stack (newer kernel and X packages backported from Ubuntu 18.10), here’s how to install (or remove) it in current Ubuntu 18.04 machines.
While regular system update does only upgrade to Ubuntu 18.04.2, you need to manually do following steps to install the new hardware enablement stacks.
1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for ‘terminal’ from application menu:
2. When terminal opens, run command to install the new Hardware Enablement stacks, including Linux Kernel 4.18, and X stack back-ported from Ubuntu 18.10:
sudo apt install xserver-xorg-hwe-18.04
Type user password (no asterisk feedback) and hit Enter to continue.
Once installed, restart your computer and enjoy!
How to Remove New LTS Enablement Stack in Ubuntu 18.04:
For choice, you can easily remove the new X stack by running following command in terminal:
sudo apt remove xserver-xorg-*-hwe-18.04
Then you have to install back the old X packages via command:
This quick tutorial shows how to install the latest GNU Emacs 26.1 in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, Linux Mint 18,x, 19.x, and their derivatives.
While Ubuntu ships old versions in its universe repositories and don’t provide future updates, a stable PPA repository maintained by Kevin Kelley contains the 26.1 packages with mailutils, systemd, and xwidgets support for all current Ubuntu releases.
1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for “Terminal” from start menu. When it opens, run command to add the PPA:
sudo add-apt-repository ppa:kelleyk/emacs
Type user password (no asterisk feedback due to security reason) when prompts and hit Enter.
2. Then install Emacs26 either via Synaptic package manager, or by running following commands one by one in terminal:
sudo apt update
sudo apt install emacs26
For text-only interface, replace emacs26 with emacs26-nox in the last command. And Ubuntu 18.04 and higher can skip apt update command.
Once installed, open emacs from your system application launcher and enjoy!
How to Remove:
To remove Emacs26, open terminal and run commands:
sudo apt remove --autoremove emacs26 emacs26-nox
The PPA can be removed by going to Software & Updates -> Other Software tab.
The Alt+Tab keyboard shortcut allows to quickly switch between opened applications in Ubuntu desktop. However, only one app icon shows in the switcher even mutliple windows of the application are opened.
For those who want to separate all opened windows in Alt+Tab switcher, this quick tutorial will show you how.
1. Open Settings from left panel or application menu.
When it opens, navigate to Devices -> Keyboard.
2. Scroll down and find out the line “Switch windows“, then click and set its keyboard shortcut to Alt+Tab.
That’s it.
To revert the change, look for Switch applications and set its value to Alt+Tab.
Alternative to the default LibreOffice, WPS office is an office suite with user interface similar to Microsoft Office, and supports Microsoft document formats.
WPS Office is developed by Zhuhai-based Chinese software developer Kingsoft. The office suite is made up of WPS Writer, WPS Presentation, and WPS Spreadsheet.
Though there’s official Ubuntu packages available in the WPS download page, the snap (containerized software package) make it easier to install WPS in Ubuntu 18.04 and higher.
Simply open Ubuntu Software, search for WPS and you’ll see 3 packages available.
All the 3 snap packages are the latest (10.1.0.6757 at the moment) and maintained by community. Choose install one you preferred.
Once installed, launch it from application menu and enjoy!
In addition, for Ubuntu 16.04 who want to install WPS snap package, run command in terminal (Ctrl+Alt+T):
TeamSpeak, the number one choice VoIP communication system for Online Gaming, now is easy to install and update its Linux client via the Flatpak package in Ubuntu 18.04 and higher.
1. Open terminal either via Ctrl+Alt+T keyboard shortcut, or from application menu.
2. Paste below command and run to install flatpak framework:
sudo apt-get install flatpak
3. Add flathub repository, which hosts a large list of flatpak applications:
This quick tutorial shows how to install the latest KiCad 5.0.2, open-source electronics design automation suite, in Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Linux Mint 18.x and 19.
KiCad is an open source software suite for Electronic Design Automation (EDA). The programs handle Schematic Capture, and PCB Layout with Gerber output.
The latest release so far is KiCad 5.0.2. Ubuntu users can easily install it from js-reynaud’s PPA.
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:js-reynaud/kicad-5
Type user password (no asterisk feedback) when it prompts and hit Enter to continue.
2. If you’ve installed an old version, upgrade the software via Software Updater (Update Manager):
Or run commands one by one in terminal to check updates, and install KiCad:
sudo apt-get update
sudo apt-get install kicad
You can skip apt-get update command for Ubuntu 18.04 and higher
Uninstall:
To remove KiCad EDA, run command in terminal:
sudo apt-get remove --autoremove kicad kicad-*
To remove the PPA added in step 1, open Software & Updates and navigate to Other Software tab.
Vivaldi web browser released version 2.3 today with great new features, performance improvements, numerous bug-fixes.
Vivaldi 2.3 release highlights:
Option to automatically create a tab stack: ‘Settings → New Tab Position → As Tab Stack with Related Tab’
Add an option to show frequently visited pages in the URL Drop-Down: “Settings → Address bar → Address Field Drop-Down Menu → Include Frequently Visited Pages”
Custom screenshot file name
Save webpage as MHTML is enabled
Spinner favicon when a tab is loading
Passwords should be viewable in Settings
Add confirmation dialog on exit
Middle-click on tab Trash pastes buffered text into History search field
The official Ubuntu .DEB packages are available for download at the link below:
Grab the deb matches your OS, then install it via Ubuntu Software or Gdebi package manager. Or run command in terminal:
sudo dpkg -i ~/Downloads/vivaldi-stable_2.3*.deb
In addition, after installed the .deb package, you can enable Vivaldi apt repository (Softare & Updates -> Other Software) to receive future updates through Software Updater:
